Championships won
| Standings Classifications
|
Races participated
| Date | Track | Series / Event | Pos | Car |
|---|---|---|---|---|
| 1996 | ||||
| 1996/04/28 | Suzuka (JAP) | Formula Nippon | 2 | Dome F104i-Mugen |
| 1996/05/12 | Mine (JAP) | Formula Nippon | 13 | Dome F104i-Mugen |
| 1996/05/26 | Fuji (JAP) | Formula Nippon | DNC | Dome F104i-Mugen |
| 1996/06/23 | Tokachi (JAP) | Formula Nippon | 9 | Dome F104i-Mugen |
| 1996/07/07 | Suzuka (JAP) | Formula Nippon | 6 | Dome F104i-Mugen |
| 1996/08/04 | Sugo (JAP) | Formula Nippon | 7 | Dome F104i-Mugen |
| 1996/09/01 | Fuji (JAP) | Formula Nippon | 3 | Dome F104i-Mugen |
| 1996/09/15 | Mine (JAP) | Formula Nippon | 2 | Dome F104i-Mugen |
| 1996/09/26 | Suzuka (JAP) | Formula Nippon | 9 | Dome F104i-Mugen |
| 1996/10/20 | Fuji (JAP) | Formula Nippon | 4 | Dome F104i-Mugen |
| 1998 | ||||
| 1998/03/08 | Melbourne (AUS) | Formula 1 World Championship Grand Prix Australia | DNC | Minardi M198-Ford |
| 2000 | ||||
| 2000/03/26 | Homestead, FL (USA) | Champ Car World Series | 8 | Reynard 2KI-Honda |
| 2000/05/14 | Motegi (JAP) | Champ Car World Series | 14 | Reynard 2KI-Honda |
| 2001 | ||||
| 2001/03/11 | Monterrey (MEX) | Champ Car World Series Grand Prix Monterrey | 18 | Reynard 01I-Honda HR-1 |
| 2001/04/08 | Long Beach, CA (USA) | Champ Car World Series Grand Prix Long Beach | 12 | Reynard 01I-Honda HR-1 |
| 2001/05/06 | Nazareth, PA (USA) | Champ Car World Series | 15 | Reynard 01I-Honda HR-1 |
| 2001/05/19 | Motegi (JAP) | Champ Car World Series | 8 | Reynard 01I-Honda HR-1 |
| 2001/06/03 | Milwaukee, WI (USA) | Champ Car World Series | 16 | Reynard 01I-Honda HR-1 |
| 2001/06/17 | Detroit, MI (USA) | Champ Car World Series Grand Prix Detroit | 13 | Reynard 01I-Honda HR-1 |
| 2001/06/24 | Portland Raceway, OR (USA) | Champ Car World Series G.I. Joe's 200 | 22 | Reynard-Honda |
| 2001/07/15 | Toronto (CAN) | Champ Car World Series | 9 | Reynard 01I-Honda HR-1 |
| 2001/09/15 | EuroSpeedway, BR (DEU) | Champ Car World Series | 22 | Reynard 01I-Honda HR-1 |
| 2001/10/28 | Surfer's Paradise (AUS) | Champ Car World Series | 12 | Reynard 01I-Honda HR-1 |
| 2002 | ||||
| 2002/03/10 | Monterrey (MEX) | Champ Car World Series Grand Prix Monterrey | 15 | Lola B02/00-Honda HR-2 |
| 2002/04/14 | Long Beach, CA (USA) | Champ Car World Series Grand Prix Long Beach | 12 | Lola B02/00-Honda HR-2 |
| 2002/04/27 | Motegi (JAP) | Champ Car World Series | 10 | Lola B02/00-Honda HR-2 |
| 2002/06/02 | Milwaukee, WI (USA) | Champ Car World Series | 18 | Lola B02/00-Honda HR-2 |
| 2002/06/09 | Laguna Seca, CA (USA) | Champ Car World Series Grand Prix Monterey | 14 | Lola B02/00-Honda HR-2 |
| 2002/06/16 | Portland Raceway, OR (USA) | Champ Car World Series G.I. Joe's 200 | 11 | Lola B02/00-Honda HR-2 |
| 2002/06/30 | Cicero, IL (USA) | Champ Car World Series | 5 | Lola B02/00-Honda HR-2 |
| 2002/07/07 | Toronto (CAN) | Champ Car World Series | 4 | Lola B02/00-Honda HR-2 |
| 2002/07/14 | Cleveland, OH (USA) | Champ Car World Series | 10 | Lola B02/00-Honda HR-2 |
| 2002/07/28 | Vancouver (CAN) | Champ Car World Series Molson Indy Vancouver | 11 | Lola B02/00-Honda HR-2 |
| 2002/08/11 | Lexington, OH (USA) | Champ Car World Series | 9 | Lola B02/00-Honda HR-2 |
| 2002/08/18 | Elkhart Lake, WI (USA) | Champ Car World Series | 11 | Lola B02/00-Honda HR-2 |
| 2002/08/25 | Montreal (CAN) | Champ Car World Series | 9 | Lola B02/00-Honda HR-2 |
| 2002/09/01 | Denver, CO (USA) | Champ Car World Series | 16 | Lola B02/00-Honda HR-2 |
| 2002/09/14 | Corby (GBR) | Champ Car World Series | 16 | Lola B02/00-Honda HR-2 |
| 2002/10/06 | Miami (Bayfront Park), FL (USA) | Champ Car World Series | 14 | Lola B02/00-Honda HR-2 |
| 2002/10/27 | Surfer's Paradise (AUS) | Champ Car World Series | 13 | Lola B02/00-Honda HR-2 |
| 2002/11/03 | Fontana, CA (USA) | Champ Car World Series | 15 | Lola B02/00-Honda HR-2 |
| 2002/11/17 | Mexico City (MEX) | Champ Car World Series | 14 | Lola B02/00-Honda HR-2 |
| 2003 | ||||
| 2003/04/13 | Motegi (JAP) | IndyCar Series | 11 | Dallara-Honda |
| 2003/05/25 | Indianapolis, IN (USA) | IndyCar Series Indianapolis 500 | 14 | Dallara-Honda |
| 2004 | ||||
| 2004/04/04 | Okayama (JAP) | Japanese GT Championship | DNC | Honda NSX |
| 2004/05/23 | Sugo (JAP) | Japanese GT Championship | 8 (8) | Honda NSX |
| 2004/06/19 | Sepang (MAL) | Japanese GT Championship | 37 (15) | Honda NSX |
| 2004/07/18 | Tokachi (JAP) | Japanese GT Championship | 10 (10) | Honda NSX |
| 2004/09/05 | Motegi (JAP) | Japanese GT Championship | 9 (9) | Honda NSX |
| 2004/10/31 | Autopolis (JAP) | Japanese GT Championship | 10 (10) | Honda NSX |
| 2004/11/21 | Suzuka (JAP) | Japanese GT Championship | 9 (9) | Honda NSX |
| 2004/12/18 | Fontana, CA (USA) | Japanese GT Championship | 7 (6) | Honda NSX |
| 2004/12/19 | Fontana, CA (USA) | Japanese GT Championship | 4 (4) | Honda NSX |
| 2005 | ||||
| 2005/06/18 - 2005/06/19 | Le Mans (FRA) | 24 Hours Le Mans | DNC | Courage C60-Judd |