Areas of expertise include information law and intellectual property law.
Served as a member of the Cabinet Secretariat, Cabinet Office, Ministry of Internal Affairs and Communications, Ministry of Economy, Trade and Industry, and Ministry of Education, Culture, Sports, Science and Technology in Japan.
Publications include “Personal Information Protection Law (4th Edition)” (Shojihomu, 2022), “Knowledge of Personal Information Protection Law (5th Edition)” (Nihon Keizai Shimbun, 2021), “Copyright Law (5th Edition)” (Minjiho Kenkyukai, 2020),“Information Security legal system (Revised Edition)” (Shojihomu, 2011), and many others.