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| 2019 || February 18 || Recognition || {{w|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 ({{w|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.<ref>{{cite web |title=DOCOMO Ranked World's Top Mobile Operator in 5G SEP Applications and Contributions to 5G Standard |url=https://www.nttdocomo.co.jp/english/info/media_center/pr/2019/0218_01.html |website=nttdocomo.co.jp |accessdate=19 January 2020}}</ref>
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| 2019 || December 20 July 31 || Acquisition Product || {{w|NTT DOCOMO}} announces purchase of all shares development of an {{w|docomo Healthcare, Inc.application programming interface}} for its docomo sky drone-operation platform and make it uses the API to "successfully integrate docomo sky with NEXSYS-ONE's tower maintenance platform in a wholly owned subsidiary joint trial, demonstrating the possibility to use drones for automated inspections and maintenance of NTT DOCOMOmobile-network base-station towers."<ref>{{cite web |title=NTT DOCOMO to Absorb docomo Healthcare in Simplified, Short-form Merger Develops Drone Platform API for Expanded Drone Applications |url=https://www.nttdocomo.co.jp/english/info/media_center/pr/2019/1220_010731_00.html |website=nttdocomo.co.jp |accessdate=19 January 2020}}</ref>
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| 2019 || || Administration || {{w|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.<ref name="docomo-sys.co.jp"/>
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| 2019 || May 23 || Research || {{w|NTT DOCOMO}} announces research in collaboration with {{w|Tohoku University}}, of an artificial-intelligence technology to detect {{w|periodontal disease}} simply by photographing a person's gums with a {{w|smartphone}}.<ref>{{cite web |title=Tohoku University and DOCOMO Launch Research Project to Develop Artificial-intelligence Technology for Periodontal Disease Detection |url=https://www.nttdocomo.co.jp/english/info/media_center/pr/2019/0523_00.html |website=nttdocomo.co.jp |accessdate=19 January 2020}}</ref>
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| 2019 || December 20 || Acquisition || {{w|NTT DOCOMO}} announces purchase of all shares of {{w|docomo Healthcare, Inc.}} and make it a wholly owned subsidiary of NTT DOCOMO.<ref>{{cite web |title=NTT DOCOMO to Absorb docomo Healthcare in Simplified, Short-form Merger |url=https://www.nttdocomo.co.jp/english/info/media_center/pr/2019/1220_01.html |website=nttdocomo.co.jp |accessdate=19 January 2020}}</ref>
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| 2020 || January 17 || Product || {{w|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 {{w|AGC Inc.}}<ref>{{cite web |title=DOCOMO Conducts World's First Successful Trial of Transparent Dynamic Metasurface |url=https://www.nttdocomo.co.jp/english/info/media_center/pr/2020/0117_00.html |website=nttdocomo.co.jp |accessdate=19 January 2020}}</ref>
