1997
| | FIA GT - GT1 | | Position: 29 (2 points) | 3 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: GBF | | Car: Lotus Elise GT1 |
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| | | Formula Nippon | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Autotech Stellar |
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1996
| | Global GT Championship | | Position: 120 (7 points) | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Ennea, Menicon | | Car: Ferrari F40 GT-E | | Car: SARD MC8R (Toyota) |
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| | | Le Mans 24h - GT1 class | |
| Race position: 15. | | Team: Team Menicon SARD Co Ltd | | Car: Sard MC8-R (Toyota) | | Complete results needed. |
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1995
| | Formula 3000 Japan | | Position: 5 (16 points) | 9 races. 0 wins. 0 pole positions. 2 podiums. 0 fastest laps.
| | Team: Team Nova |
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| | | Global GT Championship | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Shin Kato | | Car: SARD MC8R (Toyota) |
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| | | Le Mans 24h - GT1 class | |
| Race position: 8. | | Team: SARD Co. Ltd (Shin Kato) | | Car: Toyota Supra Biturbo GT LM | | Complete results needed. |
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1994
| | Formula 3000 Japan | | Position: 5 (27 points) | 10 races. 0 wins. 1 pole position. 4 podiums. 0 fastest laps.
| | Team: Team Nova |
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1993
| | Formula 3000 Japan | | Position: 10 (7 points) | 10 races. 1 win. 1 pole position. 1 podium. 0 fastest laps.
| | Team: Team Nova |
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1992
| | Formula 3000 Japan | | Position: 1 (35 points) | 10 races. 1 win. 0 pole positions. 6 podiums. 4 fastest laps.
| | Team: Team Nova | | Car: Lola T92-50 (Mugen) | | Car: Lola T91-50 (Mugen) |
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| | | IMSA Camel GTP Championship | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Nova Engineering | | Car: Nissan R91CP |
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1991
| | Formula 3000 Japan | | Position: 8 (13 points) | 10 races. 0 wins. 1 pole position. 2 podiums. 0 fastest laps.
| | Team: Suntec Racing Team |
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| | | Formula 3 Italy | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. ? fastest laps. | | Team: Venturini | | Car: Dallara 391 (Alfa Romeo) | | Complete results needed. |
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| | | Sportscar World Championship | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Silk Cut Jaguar | | Car: Jaguar XJR12 |
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1990
| | Formula 3000 Japan | | Position: 3 (29 points) | 10 races. 1 win. 2 pole positions. 3 podiums. 0 fastest laps.
| | Team: Suntec Racing Team |
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| | | Formula 3 Italy | | Position: no position | 3 races. 1 win. 1 pole position. 1 podium. ? fastest laps. | | Team: Zasteam | | Car: Dallara 390 (Alfa Romeo) | | Complete results needed. |
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1989
| | Formula 3000 Japan | | Position: 7 (9 points) | 6 races. 0 wins. 0 pole positions. 1 podium. 1 fastest lap.
| | Team: Sundai Spilit Team | | Car: Lola T89-50 (Mugen Ogawa) |
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| | | Formula 3000 International | | Position: no position | 3 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Lola Motorsport, Leyton House Racing | | Car: Lola T89/50 (Judd) | | Car: March 89B (Judd) |
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| | | Formula 3 Italy | | Position: 17 (1 points) | 2 races. 0 wins. 0 pole positions. 0 podiums. ? fastest laps. | | Team: Zasteam | | Car: Dallara 389 (Alfa Romeo) | | Complete results needed. |
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1988
| | Formula 3 Italy | | Position: 2 (47 points) | 12 races. 3 wins. 7 pole positions. 5 podiums. 2 fastest laps.
| | Team: Coperchini | | Car: Dallara 388 (Alfa Romeo) |
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| | | Formula 3 Japan | | Position: 15 (2 points) | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Sundai Spilit Team | | Car: Dallara F388 (Nissan) |
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1987
| | Formula 3 Italy | | Position: 3 (47 points) | 12 races. 1 win. 3 pole positions. 6 podiums. 3 fastest laps.
| | Team: Coperchini | | Car: Dallara 387 (Alfa Romeo) |
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| | | Formula 3 Macau GP | |
| Race position: no position. | | Team: Team Forti Corse | | Car: Dallara 387 (Alfa Romeo) |
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1986
| | Formula 3 Italy | | Position: 16 (2 points) | 14 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Gulf Coloni, Giovanni Salvati Racing | | Car: Dallara 386 (Alfa Romeo) |
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1985
| | Formula 3 Italy | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Gulf Coloni | | Car: Martini MK45 (Alfa Romeo) |
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