Doctor of Business, Kobe University, Japan, 1983.
Assistant professor Kobe University, 1966-1967, associate professor, 1967-1972, professor, since 1972, professor emeritus, 2001. Professor University of the Air (Open University), 2001—2006. Chairperson Ministry of International Trade and Industry Mission on Telecomms.
Systems in Highly Advanced Information Society, 1989. Chairperson advisory committee Service Standard Ministry of Post Office, 1997. Member committee of deregulation of transport industries Ministry of Transport, since 1996.
Member Japanese Society Public Utility Economics (chair 1995-1999), Japanese Society Business Administration, Union of National Economics Associations in Japan (secretary since 1987).
Married Kayoko Suzuki, March 1, 1969. Children:Sachiko, Daiju.