NTT DOCOMO Inc (DOCOMO) is Japan's largest telecommunications company, providing mobile services that enable customers to realize smarter lives. It is a developer of 5G networks and is involved in NFC infrastructure, IoT solutions, and other mobile-related initiatives. It also provides technical and operational expertise to mobile operators outside Japan and contributes to the global standardization of new mobile technologies.

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NTT DOCOMO has been at the forefront of mobile technology innovation, both in Japan and globally. The company has consistently developed new technologies and services by leveraging its creativity and innovation. NTT DOCOMO is actively working on new services by utilizing the evolving characteristics of mobile communications systems. The company has been researching 5G evolution and 6G communications technology, aiming to launch 6G commercially by 2030. Additionally, NTT DOCOMO is promoting the open radio access network (Open RAN) ecosystem and is involved in the standardization of wireless technologies. The R&D activities of NTT DOCOMO are managed by the DOCOMO R&D Center, located within the Yokosuka Research Park. This center is responsible for introducing the company's research and development, providing the latest technical information, and showcasing the current status and future prospects of a wide range of activities. The company is actively filing patent applications for 5G, 6G, and O-RAN technologies. NTT DOCOMO is involved in the standardization of wireless technologies and has submitted numerous technical proposals incorporated into standards. The company ranks third globally and first among carriers in terms of shares of 5G standard-essential patents. As of March 2025, NTT DOCOMO holds approximately 4,900 patents in Japan and around 12,700 patents overseas.