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| 2017 || November 28 || Product || In collaboration with international digital security company {{w|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."<ref>{{cite web |title=DOCOMO Develops Multi-Profile SIM for Smartphones and Tablets |url=https://www.nttdocomo.co.jp/english/info/media_center/pr/2017/1128_00.html |website=nttdocomo.co.jp |accessdate=12 November 2019}}</ref>
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| 2018 || || Administration || {{w|NTT DOCOMO}} Establishes {{w|IoT }} Division, Sales Channel Promotion Division Certified as a Health and Productivity Management Organization (White 500).<ref name="docomo-sys.co.jp"/>
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| 2018 || || Recognition || {{w|NTT DOCOMO}} receives the Certification of Silver (Gin-no-Nintei).<ref name="docomo-sys.co.jp"/>
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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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| 2019 || September 30 || Technology || {{w|NTT DOCOMO}} announces achievement of the world's first 28 GHz-band {{w|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 [[w:Japan Railways Group|Japan Railway Company]].<ref>{{cite web |title=DOCOMO Achieves World's First 5G Communication Between High-speed Bullet Train and Experimental Base Stations |url=https://www.nttdocomo.co.jp/english/info/media_center/pr/2019/0930_00.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>
