He participates in various international, regional and national standardization activities including ISO/IEC JTC1 Special Working Group on Accessibility and is the Project Editor of ISO 9241-20 (Ergonomics of human-system interaction - Part20: Accessibility guidelines for information communication equipment and services: General guidelines).
His research interests include economics of information and communications media, accessibility of information and communications, and management of technology. He publishes books frequently, one of which is "Management of Technology: Innovating the Future" (in Japanese) from NTT Publishing in 2004.