Bachelor of Science in Electrical Engineering, Nagoya Institute Tech, Japan, 1958. Doctor of Philosophy in Engineering, Tokyo Institute of Technology, 1967.
Vice head research laboratory OKI Electric Industry Company, Tokyo, 1984. Professor electrical & info engineering Nagoya Institute of Technology, 1985. Professor information department Aichi Prefactural University, 1998.
Professor information engring Chuba University, 2002—2005, professor special nomination, 2005—2007, guest professor, since 2007.
Married Reiko Ohnish Hata, April 1. 1 child Kaori.