Works

Contributed an article on the metaverse market outlook to NTT DATA's media. Argued for the steady growth of the metaverse based on device evolution, the inevitability of XR technology, and the emergence of killer use cases. → Read article
A lecture on NTT DATA's metaverse strategy (October 2022) was covered by IT Impress. → Read article
Appointed as advisor to IT seminar company MajiSemi for XR and DX expertise (April 2022). → Press release
Authored an article on successfully achieving regulatory reform of Japan's technical conformity (Giteki) system, enabling the use of uncertified XR devices such as Apple Vision Pro in Japan. → Read article
A business-oriented metaverse developed at NTT DATA R&D was commercialized by NTT DATA NJK as "NTT XR Coworking powered by Coome." → Learn more
A smart glass remote work support system developed at NTT DATA was commercialized and launched by NTT DATA Newson (2016). → Press release

Co-authored Office Information Security for New Employees (C&R Research) with work-style reform expert Amane Sawatari. Contributed the technical sections, praised for accuracy and comprehensiveness. → Book details
Delivered a lecture "Toward Safe and Secure Telework — Let's Update ID Management" at the renowned Cyber Security Symposium Dogo 2021 (June 2021). → Program details
Served as a committee member for the Ministry of Internal Affairs and Communications' "Telework Security Guidelines, 5th Edition." → Guidelines (PDF)

The ID management and authentication solution "VANADIS," developed at NTT DATA, is now sold by NTT DATA Advanced Technology (Intellilink). Proven with over 450,000 users. → Learn more
"Introduction to Integrated ID Management," published in the early 2000s, provided a comprehensive overview of ID management at a time when the field was poorly defined, and became a widely referenced resource. → View slides
Contributed an article to NTT DATA's media in 2013, arguing early on for the importance of a "trust framework" based on Levels of Assurance (LOA) for identity federation. → Read article
Delivered a lecture on "Enterprise ID Management Overview" and participated in a panel discussion at the AXIES 2023 Authentication Infrastructure Working Group. → Learn more

An interview article on activities to promote Palm devices in Japan was published in Kakaku.com Magazine (August 2017). → Read article
Developed and published numerous PalmOS applications (Palmware), covering Japanese localization tools, input methods, launchers, and utilities, contributing to the Palm Japanese ecosystem. → Palmware page
Co-authored the world's first Palm-dedicated book, Win PC Books: Pilot Navigation Book (Nikkei BP, 1997). → Book details
Co-authored article "PalmOS: Exploring Its Appeal (Vol.41, No.9)" in the IPSJ journal received the 2003 Best Author Award. → Award list