after he won the japanese formula 3 championship in 1990, he failed to pre-qualify for two formula one grands prix with coloni in 1991 as a late-season replacement for pedro chaves. he raced in indy lights in the mid-90s, and in cart briefly in 1999 for walker racing with a best finish of 14th. in 1997, he tested a formula one prototype, the f105, for dome f1 at suzuka and other japanese race tracks, but dome f1 never entered a formula one grand prix.