May 31, 1948 at Kobe Japan.
- BS Degree from Osaka University in 1971.
- MS Degree from Osaka University in 1973
- PH. D Degree from Osaka University in 1992.
- NEC Corporation in 1973
- Supervisor of NEC Cenral Research Labs in 1981
- Manager of NEC Central Research Labs in 1986
- Senior Manager of NEC C&C Systems Labs in 1990
- Deputy General Manager of NEC Information Systems Labs in 1996
- General Manager of NEC Multimedia Laboratories in 1999.
- Professor of Kochi University of Technology in 2004.
- Professor of Tokyo Metropolitan University in 2006.