Timeline of NTT Docomo

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This is a timeline of NTT Docomo, a Japanese mobile telecommunication services provider.

Sample questions

The following are some interesting questions that can be answered by reading this timeline:

  • How did userbase evolve across different NTT Docomo products and services?
    • Sort the full timeline by "Event type" and look for the group of rows with value "Userbase".
    • You will see evolution of figures across a variety of services.
  • What are some of the numerous R&D enterprises by NTT Docomo?
    • Sort the full timeline by "Event type" and look for the group of rows with value "Research and development".
    • You will se some important developments, some of them conducted in partnerships with other companies/organizations.
  • Which worldwide technology milestones were pioneered by NTT Docomo?
    • Sort the full timeline by "Event type" and look for the group of rows with value "Milestone".
    • You will see notable historic events, like the first commercial 3G service, the launch of i-mode, and the invention of the emoji.
  • What are important company acquisitions by NTT Docomo?
    • Sort the full timeline by "Event type" and look for the group of rows with value "Acquisition".
  • What are some notable services launched by the company?
    • Sort the full timeline by "Event type" and look for the group of rows with value "Service".
    • You will see a variety of services launched by the company, including the i-mode, billing plans, international roaming, services through Tata Docomo, and a credit card.
  • What are some notable products launched by the company?
    • Sort the full timeline by "Event type" and look for the group of rows with value "Product".
    • You will see a variety of products, including smartphones, mini tablets, SIM cards, etc.
  • What are some important partnerships?
    • Sort the full timeline by "Event type" and look for the group of rows with value "Partnership".
    • You will see collaborations with companies like Google, Nokia, Qualcomm, and Ericsson.

Big picture

Time period Development summary
1952–1985 Nippon Telegraph and Telephone Public Corporation (NTTPC) prelude era. NTTPC is established as a corporation.
1985–1992 Nippon Telegraph and Telephone Corporation (NTT) prelude era. NTT is established as a private company.
1992 onwards NTT Docomo era, which is formally established taking over the mobile communications business of Nippon Telegraph and Telephone Corporation (“NTT Group”) as part of its corporate reorganization.[1] in 1993, the company launches the mobile phone service (PDC).[2] In 1997 it launches a packet communications service.[2] In 1999, the company launches i-mode, the world's first mobile internet service.[3]
2000s NTT Docomo becomes the first cellular operator in the world to offer commercial 3G services. By the late decade, the company reaches more than half of Japan's cellular market.
2010s NTT Docomo introduces one of the earliest commercial LTE services.[3] Tata Docomo becomes the first private sector telecom company to launch 3G services in India.
2019 onward NTT Docomo begins rolling out 5G service in Japan.

Numerical and visual data

Google Scholar

The following table summarizes per-year mentions on Google Scholar as of August 12, 2021.

Year "NTT Docomo"
1980 1
1985 3
1990 4
1995 42
2000 665
2005 1,770
2010 1,450
2015 1,490
2020 936
NTT DoCoMo google schoolar.png

The image shows NTT Docomo daily stock close price from March 4, 2002 to February 19 2020.[4] Note: A 3:1 ratio split on May 22 2002[5] is not reflected on the graph, therefore prices before that date should be multiplied by three if one is interested in the price per stock.

NTT Docomo daily stock close price.png

Google Trends

The image below shows Google Trends data for NTT DoCoMo (Mobile phone operator company), from January 2004 to March 2021, when the screenshot was taken. Interest is also ranked by country and displayed on world map.[6]

NTT DoCoMo gt.png

Google Ngram Viewer

The chart below shows Google Ngram Viewer data for NTT Docomo, from 1991 to 2019.[7]

NTT DoCoMo ngram.png

Wikipedia Views

The chart below shows pageviews of the English Wikipedia article NTT DoCoMo, on desktop, mobile-web, desktop-spider, mobile-web-spider and mobile app, from July 2015 to February 2021.[8]

NTT DoCoMo wv.png

Full timeline

Year Month and date Category Event type Details
1952 Early development Nippon Denshin Denwa Kosha (Nippon Telegraph and Telephone Public Corporation (NTTPC)) is launched as a public corporation and becomes the main engine for Japanese telecommunications R&D.[9][10]
1985 May 30 Early development State-owned Nippon Telegraph and Telephone Public Corp. is privatized as Nippon Telegraph and Telephone (NTT) amid liberalization of the telecommunications sector.[10][11][12] Operating domestic telecommunications, it is considered "one of the most powerful sparks that lit the communications revolution in Japan".[13]
1985 Device Mobile phone launch NTT develops the first 'Shoulder phone', a car phone, that can be carried around in a shoulder trap.[14]
1987 Device Mobile phone launch NTT offers the first handheld cellular phone, primarily for professional and organizational purposes.[14]
1989 Cellular network Service launch NTT launches a new digital standard, which creates a fast growth for subscribers.[14]
1991 August Founding NTT Mobile Communications Network is established by the Nippon Telegraph and Telephone (NTT) as a subsidiary to take over the mobile cellular operations.[15][16][17][18] This unit would soon adopt the nickname DoCoMo, which stands for "Do Communications Over the Mobile Network".[19] Operations commence at the Osaka Regional Marketing Branch.[11]
1991 Cellular network Userbase There are about 5.75 million pager subscribers in Japan, of which NTT has some 3.5 million.[13]
1992 Administration NTT MCN relocates head office to Ikebukuro from Koji-Machi, Chiyoda-Ku.[11]
1992 Personnel NTT MCN number of employees reaches 300.[11]
1992 July 1 Reorganization NTT MCN becomes an independent company and begins operations assuming control of mobile communications business of the reorganizing Nippon Telegraph and Telephone Corporation (NTT).[13][20] This event is considered to be the birth of NTT DoCoMo, after the cellular communications services of NTT are carved out from the former telecom monopolist's other lines of business.[21]
1992 Cellular network Milestone (service launch) NTT MCN launches the first analog cellular phone service.[18]
1993 Service Japan moves to digital mobile services as NTT MCN launches a new service based on Personal Digital Cellular (PDC) technology.[22]
1993 March Cellular network Service launch NTT MCN Launches mova 2G (800 MHz), its first digital cellular phone service.[20][18]
1993 July Administration NTT MCN is reorganized into nine regional companies within Japan.[21]
1993 Administration NTT MCN establishes its Main Sales Division.[11]
1993 Userbase Nearly 70 percent of new NTT pager subscribers are individuals instead of companies.[13]
1994 Background The mobile phone market is opened to competition.[22]
1994 April Cellular network Service launch NTT MCN launches CITYPHONE 1.5 GHz digital cellular phone service in urban areas.[20]
1996 Administration NTT MCN relocates the head office to Nishigotanda from Ikebukuro.[11]
1996 Mid-year Personnel NTT MCN employs about 500 engineers.[23]
1996 Device Market growth The adoption rate for mobiles in Japan reaches 25%.[14]
1997 Financial Funding NTT MCN increases capital investment to 652.6 million JPY.[11]
1997 March Cellular network Service launch NTT MCN launches DoPa packet-data communications service, the first data communications service in Japan.[20][18]
1998 Information system Administration NTT MCN establishes its urban information systems division.[11]
1998 Recognition NTT MCN acquires ISO9001 accreditation, an international standard used by organizations to demonstrate the ability to consistently provide products and services that meet customer and regulatory requirements.[24][11]
1998 October 12 Financial Stock exchange listing NTT MCN goes public on the Nikkei 225 average.[25] The company is registered under the ticker TYO:9437.[17] NTT sells 30% of DoCoMo to the public.[22]
1998 October 22 Financial Stock exchange listing NTT MCN is listed on the Tokyo Stock Exchange.[21]
1998 December Acquisition NTT MCN assumes control of Personal Handyphone System (PHS) business from NTT Personal Group.[20][21]
1998–1999 Milestone (product launch) NTT MCN morking team designer Shigetaka Kurita invents the Emoji, a pictographic language being adopted around the world. The first set of 176 12×12 pixel emoji is created as part of i-mode's messaging features to help facilitate electronic communication, and also to serve as a distinguishing feature from other services.[26]
1999 February Mobile web Milestone (service launch) NTT MCN introduces its 2.5G i-mode, the first such service with national coverage.[18] i-mode is the world's first mobile internet service available through the handset itself. Before this, there no terminal other than personal computers for accessing the internet.[27]
1999 August 8 Mobile web Userbase i-mode grows to 1 million subscribers.[18]
1999 December Mobile web Userbase i-mode grows to 3 million subscribers.[18]
2000 April Rebranding Around its 15th anniversary, NTT Mobile Communications Network changes official name to NTT Docomo.[20][11]
2000 August 6 Mobile web Userbase Subscriptions for i-mode in Japan reaches 10 million.[28]
2000 September Facility The NTT Docomo Yoyogi Building opens. One of the tallest buildings in Tokyo, it houses base station equipment and switching equipment.[29]
2000 November 22 Mobile web Userbase Subscriptions for i-mode in Japan reaches 10 million.[28][18]
2000 Late year Cellular network Userbase There are 50 million Personal Digital Cellular (PDC) subscribers in Japan.[18]
2000 Cellular network License The Japanese government awards 3G licenses to NTT Docomo, KDDI and J-Phone at no charge. This allows NTT Docomo to free up its cash stock for overseas investment.[21]
2001 Recognition NTT Docomo acquires ISO14001 accreditation[11], the international standard that specifies requirements for an effective environmental management system.[30]
2001 March 4 Mobile web Userbase Subscriptions for i-mode in Japan reaches 20 million.[28]
2001 May Mobile web Userbase i-mode grows to 23 million subscribers.[18]
2001 July 1 Mobile web Userbase Subscriptions for i-mode in Japan reaches 25 million.[28]
2001 Administration NTT Docomo relocates the head office to Akasaka from Nishigotanda.[11]
2001 Financial Funding NTT Docomo investment ratio increases to 100%.[11]
2001 October Cellular network Milestone (service launch) NTT Docomo becomes the first cellular operator in the world to offer commercial 3G services (based on WCDMA) called Freedom of Mobile Multimedia Access (FOMA). The service becomes first available in the Greater Tokyo Area, Yokohama and Kawasaki.[20][21]
2001 December 25 Mobile web Userbase Subscriptions for i-mode in Japan reaches 30 million.[28]
2002 Personnel NTT Docomo reaches 700 employees.[11]
2002 Administration NTT Docomo establishes its Operation Systems HQ, System Development Division and Service Operations Division.[11]
2002 February 19 Mobile web International expansion NTT Docomo announces agreement licensing German company E-Plus Mobilfunk GmbH & Co. KG to use its patents and technology for i-mode in Germany.[31]
2002 March Financial Stock exchange listing NTT Docomo is listed on London and New York stock exchanges.[20]
2002 May 8 Administration NTT Docomo states in a memorandum of understanding plans to convert its regional subsidiaries into wholly owned subsidiaries by way of share exchange.[21]
2002 May 22 Financial Stock split NTT Docomo stocks are split with a 3:1 ratio.[5]
2002 June 1 Cellular network Service launch NTT Docomo launches its i-shot service, allowing subscribers to transmit still images taken with compatible mobile phones having built-in cameras to virtually any device capable of receiving e-mail.[32]
2002 June 20 Mobile web International expansion NTT Docomo and KG Telecom launch an i-mode service in Taiwan.[33]
2002 October 14 Mobile web Userbase Subscriptions for i-mode in Japan reaches 35 million.[28]
2002 October 15 Mobile web International expansion Belgian telecom service provider Base launches i-mode service in Belgium.[34]
2002 November 15 Mobile web International expansion Bouygues Telecom launches the i-mode service in France.[35]
2003 January 14 Device Userbase NTT Docomo i-shot handsets (camera phone) sales exceed 5 million.[32]
2003 January 17 Device Mobile phone launch NTT Docomo introduces the N2051 3G handset, which offers extended stand-by time and the ability to e-mail video clips.[36]
2003 January 18 Device Mobile phone launch NTT Docomo introduces the F2051 3G handset, which features extended stand-by and the ability to e-mail video clips taken with its own camera.[37]
2003 March 6 Cellular network Service launch NTT Docomo announces plans to unveil an always-on internet access service, dubbed "@FreeD", for use with compatible Personal Handy-phone System (PHS) terminals.[38]
2003 March 11 Device Product launch NTT Docomo announces the introduction of the P2102V, the company's first 3G videophone handset capable of video clip e-mailing and extended stand-by time, and the first Freedom of Mobile Multimedia Access model to accept memory cards.[39]
2003 March 21 Device Mobile phone launch NTT Docomo announces the introduction of the D505i mobile phone, the first model in the company's 505i series of enhanced-PDC (2G) handsets that incorporate a Flash browser.[40]
2003 March 27 Device Mobile phone launch NTT Docomo announces the introduction of the its first Global Positioning Service (GPS) compatible handset, dubbed F661i, to the market.[41]
2003 April 16 Device GPS launch NTT Docomo announces its first Global Positioning System compatible handset, dubbed F661i.[42]
2003 May 19 Cellular network Service launch NTT Docomo announces launch of WORLD WING, an international roaming service for DoCoMo 3G handset users.[43]
2003 May 26 Mobile web Service launch NTT Docomo launches online shopping mall and account aggregation portal DoCommerce, which enables both 2G and 3G SSL-compatible i-mode handset users to manage their finances and shop online with their credit cards. The online mall launches with 10 virtual shops selling items such as accessories, perfumes and healthcare goods.[44]
2003 June 3 Website Service launch NTT Docomo announces a payments service to enable customers using 2G and 3G handsets to shop online at a dedicated portal site and receive bills for purchases together with their monthly mobile phone invoices.[45]
2003 June 25 Mobile web International expansion NTT Docomo announces introduction of i-mode in Spain.[46]
2003 June 30 Device Mobile phone launch NTT Docomo announces launch of the F2102V mobile videophone, the first model compatible with Docomo's new FirstPass SSL client authentication service.[47]
2003 Administration NTT Docomo establishes ERP Division and Technical Center.[11]
2003 September Userbase After achieving a peak of more than 62 million subscribers for PDC services in Japan, the Japanese mobile market embraces next-generation technologies based on CDMA technology.[18]
2003 October 1 Cellular network Userbase The number of subscribers to the NTT Docomo 3G FOMA service nationwide passes the 1 million mark, two years after launch of the service.[48]
2003 October 30 Mobile web Userbase Total subscribers to 2G and 3G i-mode mobile internet service in Japan surpass 40 million.[28]
2003 October 31 Device Product launch NTT Docomo announces development of the first FOMA compact flash card, P2402, which enables 3G videophone and other wireless data communication via PCs and PDAs, such as Docomo's sigmarion III.[49]
2003 November 10 Device Mobile phone launch NTT Docomo announces the release of the mova P505iS, the world's first camera phone equipped with auto focus.[50]
2003 November 19 Mobile web International expansion NTT Docomo announces release of i-mode service in Italy.[51]
2003 December 9 Device Mobile phone launch NTT Docomo announces the release of three handsets in the 2G mova 505iS series: "the SO505iS, a mega-pixel camera phone equipped to play extended-length video files; the N505iS, the first NEC-made camera phone in the mova lineup with 1.3 mega-pixel resolution; and the SH505iS, which comes with a 2.02 mega-pixel, auto-focus camera."[52]
2003 December 18 Subsidiary liquidation NTT Docomo announces liquidation of NTT Docomo Telecomunicações do Brasil Limitada, a wholly owned subsidiary of Docomo.[53]
2004 January 9 Emergency management Service launch NTT Docomo announces the launch of an i-mode Disaster Message Board service allowing i-mode subscribers in Japan to post personal messages at a special i-mode site (provided in Japanese only) in the event of major calamities such as high-magnitude earthquakes.[54]
2004 January 29 Application service provider Subsidiary liquidation NTT Docomo announces the decision to liquidate its subsidiary, Mobimagic Co., an application service provider for medium and small-sized companies.[55]
2004 January 29 Cellular network Userbase NTT Docomo announces that subscribers to the 3G FOMA service surpassed two million, two years and four months after the service was launched.[56]
2004 February 26 Device Mobile phone launch NTT Docomo announces release of the P900i, the third handset in the new 3G FOMA 900i series.[57]
2004 March 24 Subsidiary liquidation NTT Docomo announces the decision to liquidate DCM Capital LDN (United Kingdom) Limited, DCM Capital HKG (UK) Limited and DCM Capital 3G HKG (UK) Limited, each of which is a wholly owned subsidiary of DoCoMo.[58]
2004 March 31 Cellular network Userbase (3G FOMA service) NTT Docomo announces that subscribers to the 3G FOMA service surpassed the three million mark.[59]
2004 April 1 Research and development NTT Docomo establishes its Mobile Society Research Institute, which would study the social impact of mobile phone use.[60]
2004 April Device Mobile phone launch NTT Docomo launches mova 506i series of three PDC (2G) i-mode mobile phones, a series of handsets featuring cameras with effective resolutions of more than one million pixels.[61]
2004 April 28 Cellular network Service launch NTT Docomo announces launch an international roaming-in service to enable mobile subscribers of Docomo's 21 international partners in 19 countries and territories to use the company's 3G FOMA network while in Japan.[62]
2004 June 3 Mobile web International expansion NTT Docomo announes launch of i-mode service in Greece via mobile network operator Cosmote.[63]
2004 June 10 Mobile web Userbase NTT Docomo and Telstra announce launch of i-mode in Australia.[64]
2004 End of June Mobile web Userbase i-mode users outside Japan (Belgium, France, Germany, Taiwan, Netherlands, Spain, Italy, and Greece) exceed 3 million.[65]
2004 Cellular network Administration NTT Docomo establishes a Mobile Network Division.[11]
2004 Digital security Administration NTT Docomo establishes a Security Services Division.[11]
2004 November 8 Mobile web International expansion NTT Docomo and Cellcom launch of i-mode in Israel.[66]
2004 November 17 Device Mobile phone launch NTT Docomo introduces the 901i series of 3G FOMA handsets, featuring greatly enhanced audio.[67]
2004 December Device Mobile phone launch NTT Docomo launches the F901iC 3G FOMA handset, the latest model in the 901i series.[68]
2004 December 16 Device Mobile phone launch NTT Docomo introduces the N900iG, the first FOMA 3G handset for fully functional mobile communications in approximately 115 countries/regions.[69]
2005 January 7 Device Mobile phone launch NTT Docomo introduces the 2G mova N506iS, the world's first mobile phone to contain a flat panel display that also functions as a speaker.[70]
2005 November 24 Device Mobile phone launch NTT Docomo announces launch of the FOMA SA800i, a child-friendly 3G mobile phone.[71]
2005 December Service launch NTT Docomo launches iD credit brand.[20]
2005 December 29 Cellular network Userbase The number of subscribers to Docomo's 3G FOMA service surpasses the 20 million mark.[72]
2006 February 23 Cellular network Research and development NTT Docomo announces achievement of 2.5Gbps packet transmission in the downlink while moving at 20km/h, in a 4G radio access field experiment.[73]
2006 April Service launch NTT Docomo launches DCMX mobile credit-card service.[20]
2006 Information security Administration NTT Docomo establishes Information Security Services Division.[11]
2007 January 16 Device Mobile phone launch NTT Docomo announces the development of new 3G FOMA handsets: the 703i Series, D800iDS and SO903iTV.[74]
2007 February 9 Cellular network Research and development NTT Docomo announces achievement of the world's first 5Gbps packet transmission in 4G field experiment, using 100MHz frequency bandwidth to a mobile station moving at 10km/h.[75]
2007 March 14 Device Mobile phone launch NTT Docomo introduces the 3G FOMA F903iBSC business-use handset "to enable companies to address security issues such as information leaks and non-work-related use of corporate phones".[76]
2007 April 3 Device Research and development NTT Docomo announces having developed a speech coding technology that provides "exceptionally high-quality voice for mobile phones, yet only requires the low-level computing power of conventional mobile telephony technologies".[77]
2007 July Cellular network Research and development NTT Docomo begins testing an experimental Super 3G system for mobile communications, with aims at achieving a downlink transmission rate of 300Mbps over a high-speed wireless network.[78]
2007 Administration NTT Docomo establishes its Business Solution Headquarters, a System Integration Division, a Service Provider Division, a System Infrastructure Division, an Enterprise System Division, and an Information Security Department.[11]
2007 September International expansion NTT Docomo establishes an office in Hanoi, Vietnam, its fourth overseas office, joining existing facilities in Beijing, Shanghai and Singapore.[79]
2007 September 29 Cellular network Userbase NTT Docomo 3G FOMA subscribers surpass 40 million.[80]
2007 October Device Mobile phone launch The prototype Wellness mobile phone of NTT Docomo and Mitsubishi Electric Corp. is launched at annual Japanese trade show CEATEC. It checks health with a motion sensor that detects body movement and measures calories, and includes a breathalyzer.[81]
2007 November 1 Device Mobile phone launch NTT Docomo introduces 23 new handsets available in a total of 75 colors in the new 905i and 705i series.[82]
2007 December Acquisition NTT Docomo and KT Freetel jointly invest US$200 million for a total of 33% stake in U Mobile Malaysia.[83]
2007 December 10 Device Mobile phone launch NTT Docomo announces launch of the F801i handset, which offers improved child-friendly features for security, theft/loss prevention, and ease of use.[84]
2008 January 3 Userbase NTT Docomo announces having surpassed 15 million subscribers to the i-channel news and information service.[85]
2008 Earthquake Early Warning Service launch NTT Docomo begins offering a service called the "Area Mail Disaster Information Service" which broadcasts Earthquake Early Warning messages produced by the Japan Meteorological Agency to its subscribers with compatible handsets.[86]
2008 January 24 Mobile web Partnership NTT Docomo announces a partnership with Google, which allows all models after the FOMA904i models to view YouTube videos.[87][88]
2008 February Joint venture NTT Investment Partners, Inc. (NTT-IP) is established as a corporate venture capital firm by Nippon Telegraph and Telephone Corporation (NTT). The firm focuses on funding advanced/disruptive technologies, services and business models around the world and looks to leverage NTT Group companies’ business operations, technologies and vast network to its portfolio companies.[89][90]
2008 March Device Userbase NTT Docomo reaches more than 53 million customers, which is more than half of Japan's cellular market.[91]
2008 March Venture capital NTT Docomo establishes a JPY 10 billion venture fund, the NTT Investment Partners Fund, L.P. (NTT-IP Fund).[91]
2008 March 27 Molecular communication Research and development NTT Docomo announces having successfully demonstrated the world's first molecular delivery system for molecular communication.[92]
2008 April 19 Leadership Ryuji Yamada is promoted as the president of NTT Docomo. Masao Nakamura stays as a director and senior adviser. [93]
2008 May 27 Device Mobile phone launch NTT Docomo announces the new 906i and 706i series comprising 19 handsets and 64 body colors.[94]
2008 June Mobile operating system Partnership NTT Docomo joins the non-profit Symbian Foundation led by Nokia to co-develop a new Symbian smartphone operating system based on the S60 platform, which results in Symbian^2 for the Japanese market.[95]
2008 July 9 International expansion NTT Docomo announces establishment of DOCOMO China Co., Ltd. as a wholly owned subsidiary in Shanghai.[96]
2008 November 5 Device Mobile phone launch NTT Docomo announces release of 22 handsets in four new series — docomo STYLE series, docomo PRIME series™, docomo SMART series and docomo PRO series.[97]
2008 November Acquisition NTT Docomo acquires a 26% stake in Tata Teleservices for US$2.7 billion.[98]
2008 Administration NTT Docomo establishes a Customer Information Systems Division, a Billing Systems Division, an Enterprise Information Systems Division, an Information Systems Infrastructure Division, a Business Intelligence Systems Division, a Service Platform Division, a System Development Division, and a Public Enterprise Business Division.[11]
2009 May 11 Cellular network Research and development NTT Docomo announces development of a "highly efficient mobile spatial audio transmission technology that enables a mobile phone user to assign a spatial position to each sound source when listening to multiple sound sources, such as during a game or a conference call".[99]
2009 May 19 Device Mobile phone launch NTT Docomo introduces its lineup of 18 new handsets, including models in four main series of FOMA 3G handsets: docomo STYLE series, docomo PRIME series, docomo SMART series and docomo PRO series, as well as the new Evangelion Phone based on the anime film.[100]
2009 June 6 Cellular network Service The Tata Docomo service is commercially launched in India.[101]
2009 July 2 Money transfer Service launch NTT Docomo announces a new service enabling an individual subscriber to use their Docomo mobile phone to easily and quickly remit money to another Docomo user.[102]
2009 July 5 Acquisition NTT Docomo acquires San Diego, California-based PacketVideo for US$157.1 million. PacketVideo produces software for wireless multimedia that includes the display of video on mobile handsets.[17]
2009 July 15 Device Mobile phone launch NTT Docomo announces development of the SOLAR HYBRID, a solar-powered, waterproof mobile phone.[103]
2009 August 24 Userbase Subscribers to DCMX, Docomo's credit payment service, surpasses 10 million in Japan.[104]
2009 September 24 Device Research and development NTT Docomo announces development of mobile phone prototype made with the surplus wood of trees culled during thinning operations to maintain healthy forests.[105]
2009 October 27 Mobile web Service NTT Docomo introduces a new service that allows FOMA users to send and receive domestic i-mode mails.[106]
2009 November 10 Device Mobile phone launch NTT Docomo introduces 19 new handsets, as well as a 3G-capable digital photo frame. The lineup includes models in the four main series of FOMA 3G handsets —docomo STYLE series, docomo PRIME series, docomo SMART series, and docomo PRO series.[107]
2009 December 3 Acquisition NTT Docomo acquires net mobile AG, a publicly traded business-to-business service provider.[17][108][109]
2010 April Financial Funding NTT Docomo raises fund size of NTT-IP Fund to JPY 15 billion.[91]
2010 May 18 Device Mobile phone launch NTT Docomo introduces 20 new handsets, including 17 models in the four main series of FOMA 3G handsets - docomo STYLE series, docomo PRIME series, docomo SMART series and docomo PRO series - plus three docomo Smartphone models.[110]
2010 Healthcare Administration NTT Docomo establishes CliNIC Division.[11]
2010 June Userbase Tata Docomo reaches about 32.82 million users.[111]
2010 September 28 Electronic publishing Service launch NTT Docomo announces trial of e-book distribution service, with aims at gaining feedback from customers prior to the start of a full-scale e-book retail service with Dai Nippon Publishing.[112]
2010 November 5 Cellular network Service launch Tata Docomo becomes the first private sector telecom company to launch 3G services in India.[113]
2010 November 8 Mobile web Service NTT Docomo announces launch of an i-mode version of its “docomo market” mobile portal to provide the more than 48 million Docomo customers using i-mode-enabled handsets with simplified access to a range of mobile applications, music and electronic books.[114]
2010 November 22 Device Mobile phone launch NTT Docomo introduces a Japanese-market version of Samsung’s GALAXY Tab smart media device to be released in Japan.[115]
2010 December Cellular network Milestone (service launch) NTT Docomo launches one of world's first Long-Term Evolution (LTE) services, Xi (read "crossy").[20]
2011 Administration NTT Docomo establishes its Enterprise Solution Division.[11]
2011 January 11 Joint venture NTT Docomo announces joint venture with 2Dfacto, Inc. for the launch of a digital/physical hybrid bookstore that would open to sell electronic books to users of smartphones and e-book readers marketed by NTT Docomo.[116]
2011 March 28 Facility NTT Docomo announces the establishment of a dedicated Smart Communication Services Department, with aims at strengthening its growing smartphone business.[117]
2011 June Internet security Partnership NTT Docomo announces team with McAfee to provide McAfee VirusScan Mobile for its Android mobile users.[118]
2011 September 8 Device Tablet launch NTT Docomo introduces the first tablets compatible with its extra-high-speed next-generation LTE service, Xi (read “Crossy”). The “docomo Tablet GALAXY Tab 10.1 LTE SC-01D” and the “docomo Tablet ARROWS Tab LTE F-01D” are announced for sale.[119]
2011 September 16 Recognition NTT Docomo announces having achieved top ranking in business customer satisfaction for mobile phone and PHS services.[120]
2011 Mid–November Mobile web Service NTT Docomo launches two new services for smartphones, “dmenu” and “dmarket.” The dmenu portal is aimed to provide a wide range of apps and other content from diverse providers, as well as enriched versions of the popular i-mode content, optimized for easy-to-use smartphone interfaces. The new dmarket content store is aimed at offering a large amount of other content, including movies, music, e-books and Android.[121]
2011 November 24 Recognition NTT Docomo announces having received the highest marks among mobile phone operators in the 2011 Japan Mobile Phone Service StudySM, a customer-satisfaction study conducted by J.D. Power Asia Pacific.[122]
2012 February 1 Device Mobile phone launch NTT Docomo and The Walt Disney Company (Japan) announce launch of an exclusive smartphone brand, “Disney Mobile on docomo”. Exclusive content and services include access to Disney full-length animations, live actions and overseas dramas, digital content from Disney, such as puzzle and music game applications for children and family-entertainment, original Disney applications, and various customer benefits in cooperation with Tokyo Disney Resort.[123]
2012 March Cellular network Service NTT Docomo shifts customer base completely to 3G and LTE services.[20]
2012 March 11 Cellular network Userbase NTT Docomo mobile subscribers surpass 60 million. The figure includes customers who subscribe to the company’s LTE, 3G and 2G mobile services.[124]
2012 June 8 Cellular network Userbase NTT Docomo announces that subscribers to Xi, the company’s extra-high-speed LTE mobile service offering a maximum downlink of 75 Mbps, surpassed three million.[125]
2012 July Healthcare Joint venture launch NTT Docomo and Japanese electronics company Omron establish docomo Healthcare Inc, a new company with the purpose to design, develop and provide healthcare support services.[126]
2012 July 26 Device Mobile phone launch NTT Docomo introduces the Raku-Raku smart phone, the first one designed for users who are new to touchscreen operations.[127]
2012 August 10 Mobile web Acquisition NTT Docomo acquires Italian mobile commerce ecosystem company Buongiorno for US$260 million.[17][128]
2012 October 1 Mobile translation Research and development) NTT Docomo announces launch the world’s first commercial mobile service for translation of conversations between people speaking Japanese and other languages. The company also announces a translator with word recognition camera, which translates foreign menus and signage by simply placing a smartphone camera in front of text.[129]
2012 October 11 Mobile web Service NTT Docomo announces that it would begin operating platforms for gaming and online shopping via its dmarket portal of content and services for smartphones and tablets. The new mobile gaming platform, dgame, would offer games in cooperation with providers such as Bandai Namco Entertainment, Konami, Sega, and Square Enix, starting with 15 social gaming titles.[130]
2012 October 11 Device Mobile phone launch NTT Docomo announces its 2012 winter lineup of 16 new models, including nine smartphones, one tablet, four feature phones, one photo panel and one mobile Wi-Fi router.[131]
2012 Administration NTT Docomo establishes a Web System Division, and a Corporate Social Responsibility Department.[11]
2013 January 10 Device Mobile phone launch NTT Docomo announces development of the Smartphone for Juniors SH-05E, an entry-level model for upper elementary and junior high school students. The device enables parents to control voice calls and usage by setting restrictions on time of day and/or maximum amount of call time, as well as email and online activity. It is also equipped with an alarm.[132]
2013 January 22 Device Mobile phone, tablet, router launch NTT Docomo introduces its 2013 spring lineup of 12 models, which includes 11 smartphones and tablets, plus one mobile Wi-Fi router.[133]
2013 February Business incubation Acquisition NTT Docomo acquires NTT-IP with the purpose to strengthen cooperation with startup companies in terms of venture funding and incubation. The DOCOMO Innovation Fund Partnership is established as a JPY 10 billion new venture fund and the DOCOMO’s Incubation Program starts operating.[91]
2013 February 23 Cellular network Research and development NTT Docomo announces that in a joint experiment conducted with the Tokyo Institute of Technology it succeeded in the world's first packet transmission uplink rate of approximately 10 Gbps. The test is expected to help pave the way for future super-high-bit-rate mobile communications.[134]
2013 Administration NTT Docomo establishes its Enterprise Solution Division.[11]
2013 Recognition NTT Docomo acquires ISO39001 accreditation.[11]
2013 November 25 Service NTT Docomo announces launch of a one-day (24-hour) flat-rate data communications billing plan for customers traveling overseas.[135]
2013 July Rebranding NTT Docomo changes its trade name to NTT DOCOMO Ventures, Inc.[91]
2013 August 27 E-commerce Acquisition NTT Docomo acquires Austrian e-commerce solution provider Fine Trade.[136][17]
2013 August 30 Recognition NTT Docomo announces it has been ranked highest in business customer satisfaction for fifth straight year.[137]
2014 January Venture capital NTT Docomo establishes a JPY 10 billion venture fund, NTT Investment Partners Fund II, L.P. (NTT-IP Fund II).[91]
2014 May 14 Cellular network Service NTT Docomo announces that its extra-high speed XiTM network would offer Japan's first LTE service for stable, high-quality voice and video calls using Voice-over-LTE (VoLTE) technology.[138]
2014 May 14 Device Mobile phone launch NTT Docomo introduces its 2014 summer lineup of mobile devices, comprising six smartphones, two tablets, two feature phones, one Raku-Raku ("easy-easy") phone and one USB data terminal.[139]
2014 Administration NTT Docomo establishes Cloud Business Division, DOCOMO IT Systems Division, DOCOMO IT Infrastructure Division, DOCOMO Business Division, Legal & Contract Department, Internal Audit Department, and a Quality Control Department.[11]
2014 July Program launch NTT Docomo starts operating new business co-creation program in cooperation with startup, 39works.[91]
2014 Emergency management Service launch Under Civil Protection Law of Japan, Docomo begins offering a service called the "Area Mail Disaster and Evacuation Information Service" which broadcasts J-Alert messages (including Earthquake Early Warning) produced by the Japan Fire and Disaster Management Agency to its subscribers with compatible handsets (e.g. Sony XPERIA, iPhone 5s, Samsung Galaxy).[140]
2014 October Cellular network Research and development) NTT Docomo annpounces having successfully trialed network functions virtualization NFV Using Multi-vendors' Virtualization Systems.[141]
2014 Financial Stock exchange listing NTT Docomo is delisted from the London stock exchange.[20]
2015 Computer security Administration NTT Docomo establishes its IT Security Division.[11]
2015 March 27 Cellular network Service NTT Docomo launches Premium 4G, a LTE Advanced service.[142]
2015 May 13 Mobile web Service NTT Docomo announces integration of DOCOMO's dmarket services with social networking functions offered by Facebook.[143]
2015 September 30 Device Smartphone, tablet, wouter launch NTT Docomo its 2015 winter/2016 spring lineup of mobile devices, which includes 10 smartphones, one each tablet, feature phone and mobile Wi-Fi router.[144]
2015 October 1 Merger Docomo Capital announces its merger with Docomo Innovations.[145]
2015 Year round Financial Revenue generation NTT Docomo generates JPY 4.4 trillion in annual revenue, down from JPY 4.5 trillion recorded in 2014.[1]
2016 Acquisition NTT Docomo acquires "Kurumin", a next generation support certification logo.[11]
2016 May 24 Cellular network Research and development In a trial jointly conducted with Nokia, NTT Docomo announces having achieved the world's first wireless real-time transmission of 8K video deploying radio access technology for 5G mobile communications systems.[146]
2016 June 13 Cellular network Research and development NTT Docomo and Ericsson announce successful completion of a joint Proof of Concept (PoC) of dynamic network slicing technology for 5G core networks. NTT Docomo is responsible the network slice creation and selection functions, and Ericsson developed technologies to perform network slice lifecycle and service management.[147]
2017 January International expansion NTT Docomo launches its NTT DOCOMO Ventures' Silicon Valley branch in the United States.[91]
2017 Recognition NTT Docomo acquires the highest position of "Eruboshi", based on Act to advance women's success in their working life.[11]
2017 February Device SIM card launch NTT Docomo announes a new eSIM platform that enables companion consumer devices embedded with subscriber identity modules (eSIM), including tablets and wearables, to connect to mobile networks through remote provisioning of the profile.[148]
2017 February 27 Cellular network Partnership Qualcomm Technologies, Ericsson, and NTT Docomo announce collaboration on 5G New Radio (NR) trials to accelerate wide-scale 5G deployments in Japan.[149]
2017 April 17 Device Research and development NTT Docomo announces development of the world's first spherical drone display, a vehicle able to display LED images on an omnidirectional spherical screen while in flight.[150]
2017 April 23 Device Mobile phone launch NTT Docomo introduces five new 3G FOMA 904i models.[151]
2017 June 27 Device Research and development China Mobile Communications Corporation and NTT Docomo announce joint development of the world's first multi-vendor embedded subscriber identity module (eSIM) system within their commercial environments based on the GSMA's Remote Provisioning Architecture for Embedded UICC3.1 (GSMAv3.1) standard.[152]
2017 October Venture capital NTT Docomo establishes a JPY 15 billion new venture fund, Docomo Innovation Fund II, L.P.[91]
2017 November 28 Device SIM card launch In collaboration with international digital security company Gemalto, NTT Docomo announces development of the world's first multi-profile SIM "for use through multi-carrier collaborations that can allow users to switch between profiles, which include data such as contract information and telephone numbers, on their smartphone or tablet in each country."[153]
2018 Administration NTT Docomo Establishes IoT Division, Sales Channel Promotion Division Certified as a Health and Productivity Management Organization (White 500).[11]
2018 Recognition NTT Docomo receives the Certification of Silver (Gin-no-Nintei).[11]
2018 March 16 Artificial intelligence Research and development NTT Docomo announces the launch of an AI engine that "quickly, simply and accurately analyzes shelf allocation in stores and warehouses using photos taken with smartphones and other common devices".[154]
2018 May 9 Cellular network Research and development NTT Docomo announces that together with NEC Corporation and Nippon Telegraph and Telephone Corporation (NTT) it has achieved what is considered to be the first successful 28 GHz wireless data transmission between a 5G base station and a 5G mobile station in 5G field trials using a car moving at 305 km/h.[155]
2018 May 30 Mobile web Product launch NTT Docomo launches My Daiz, a digital assistant that uses artificial intelligence to analyze the movements of smartphone and tablet users to recommend different services, including JapanTaxi's app, to users.[156][157]
2018 June 11 Research and development NTT Docomo announces successful development of population flow statistics for analyzing population mobility based on operational data from the company's nationwide mobile network in Japan.[158]
2018 July 5 Research and development NTT Docomo announces development of the world's first 8K virtual reality (VR) live video streaming and viewing system for showing live events in 360° 8K VR video.[159]
2018 November 29 Research and development NTT Docomo and Toyota announce having successfully controlled the Toyota-developed T-HR31 humanoid robot in trials using 5G under a test environment with control from a remote location (a distance of approximately 10 kilometers) using 5G in an area between two points.[160]
2019 June 26 Research and development China Mobile and NTT Docomo announce launch of an eSIM solution to enable cross-vendor SIM profile switching from DOCOMO to China Mobile.[161]
2018 July Venture capital NTT Docomo establishes a JPY 20 billion venture fund, NTT Investment Partners Fund III, L.P. (NTT-IP Fund III).[91]
2018 Recognition NTT Docomo manages employee health from business management standpoint and is certified “White 500” Recognition for Excellence in Health and Productivity Management.[162]
2018 October 25 Internet of things Program launch NTT Docomo launches the "DOCOMO Asia IoT Program" (AIP), with aims at "fostering collaboration among IoT providers and expand the IoT market across the Asia region". Mobile operators from 15 countries in the region express their intention to participate in the program.[163]
2018 November 29 Cellular network Research and development NTT Docomo and Toyota announce successful joint control of the Toyota-developed T-HR31 humanoid robot in trials using 5G under a test environment with control from a remote location.[164]
2018 December 28 Acquisition NTT Docomo acquires Conobie, a Japanese website about parenting that provides articles and short comics about pregnancy, childbirth, childcare, and parenting.[17][165]
2019 February 4 Research and development NTT Docomo announces development of the world's first 8K 3D virtual reality system for live video streaming and viewing at 60 frames per second (fps) over 5G mobile communications.[166]
2019 February 18 Recognition NTT Docomo is ranked as the leading mobile operator in the world in terms of applications for candidate standard-essential patents (SEPs) for the new fifth-generation (5G) mobile communication standard. The company is also ranked first in terms of 5G technical proposals (contributions). The rankings are based on a study conducted by Japanese firm Cyber Creative Institute Co.[167]
2019 May 29 Cellular network Research and development NTT Docomo, AGC Inc. and Ericsson announce having achieved the world's first 5G mobile telecommunications using an antenna embedded in synthetic fused silica glass to transmit and receive 28 GHz 5G radio signals for stable, high-speed mobile communication in buildings, vehicles and trains.[168]
2019 July 31 Device Research and development NTT Docomo announces development of an application programming interface for its docomo sky drone-operation platform and uses the API to "successfully integrate docomo sky with NEXSYS-ONE's tower maintenance platform in a joint trial, demonstrating the possibility to use drones for automated inspections and maintenance of mobile-network base-station towers."[169]
2019 Administration NTT Docomo Establishes Sales Channel Promotion Department, Security Operation Center, Web Systems Department, SE & Business Support Center, Human Resources and Development Department, and Western Branch.[11]
2019 May 17 Device Research and development NTT Docomo announces development of a drone that is propelled safely through the air with ultrasonic vibrations, which make it appropriate for concert halls and other indoor spaces.[170]
2019 May 23 Artificial intelligence Research and development NTT Docomo announces research in collaboration with Tohoku University, of an AI technology to detect periodontal disease simply by photographing a person's gums with a smartphone.[171]
2019 September 2 Cellular network Research and development NTT Docomo announces having joined the 5G Alliance for Connected Industries and Automation (5G-ACIA) "with the aim of further advancing the use of 5G technology in the manufacturing sector".[172]
2019 September 10 Cellular network Partnership NTT Docomo announces agreement with Omron and Nokia Networks to collaborate in trials of 5G mobile communication technology inside factories, "with the aim of significantly enhancing future manufacturing productivity". [173]
2019 September 30 Cellular network Research and development NTT Docomo announces achievement of the world's first 28 GHz-band 5G mobile communications between base stations and a high-speed bullet train during experimental trials to verify further enhancement of 5G in collaboration with Central Japan Railway Company.[174]
2019 December 5 Artificial intelligence Research and development NTT Docomo and Kyoto University announce joint development of what is believed to be the world's first artificial intelligence-based system for inspecting bridges based on vehicle weights and structural deflection estimated from video footage.[175]
2019 December 20 Healthcare Acquisition NTT Docomo announces purchase of all shares of docomo Healthcare, Inc. and make it a wholly owned subsidiary of NTT Docomo.[176]
2020 January 17 Cellular network Research and development NTT Docomo announces world's first trial of a prototype transparent dynamic metasurface using 28 GHz 5G radio signals. The prototype is a collaboration with glass manufacturing company AGC Inc.[177]
2020 January 24 Cellular network Research and development NTT Docomo releases a white paper on the topic of 6G, the sixth-generation mobile communications system that the company aims to launch on a commercial basis by 2030. The paper contains the company's views in the field of 5G evolution and 6G communications technology, areas that it has been researching since 2018.[178]
2020 July Cellular network Infrastructure NTT Docomo plans to have 5G base stations in all 47 Japanese prefectures by this time.[179]
2021 Spring Cellular network Infrastructure NTT Docomo plans to reach a total of 10,000 5G base stations by this time.[179]
2026 March Mobile web Service shutdown NTT Docomo plans to discontinue its internet-capable mobile phone system i-mode (introduced in 1999) by this time, due to a dwindling number of users.[180]

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References

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