Bachelor in Political Science, Waseda U., Tokyo, 1988.
His best season was in 1991, when he finished fifth in the 250cc world championship, riding on a Honda. Points system from 1969 to 1987: Points system from 1988 to 1992: (key) (Races in bold indicate pole position. Races in italics indicate fastest lap).
Married Mamiko Okuhara, December 8, 1964. 1 child, Yuki.