Doctor of Engineering Tokyo, 1973.
Lecturer to associate professor, electrical engineering University Tokyo, 1973—1982. With Hitachi, Ltd., since 1982, senior researcher, Hitachi Research Laboratory, 1982—1988, head, research department, 1988—1992, head, planning office, Omika Works, Power & Industrial Systems Group, 1992—1993, deputy general manager, Hitachi Research Laboratory, 1993—1997, general manager, Hitachi Research Laboratory, 1997—2001, chief technical officer, chief information officer, Automotive Products Group, 2001—2003, head, 3rd business management division, automotive sys group, 2004, vice president, executive officer, automotive sys bus (suspensions and brakes), 2004—2005, vice president, Research and Development group, 2005—2006, executive officer, general manager Research and Development group, since 2005, senior vice president, Research and Development group, since 2006. President, representative director TOKIKO, Ltd.
(merged with Hitachi, Ltd. Automotive, Ltd.), 2003—2004.
Fellow: Institute of Electrical and Electronics Engineers. Member: Tokyo Chapter Institute of Electrical and Electronics Engineers Power Engineering Society, Institute Electrical Engineers Japan (Institution of Electrical Engineers Japan).