Championships won
| Standings Classifications
|
Races participated
| Date | Track | Series / Event | Pos | Car |
|---|---|---|---|---|
| 1996 | ||||
| 1996/04/28 | Suzuka (JAP) | Formula Nippon | DNC | Reynard 96D-Mugen |
| 1996/05/12 | Mine (JAP) | Formula Nippon | 3 | Reynard 96D-Mugen |
| 1996/05/26 | Fuji (JAP) | Formula Nippon | DNC | Reynard 96D-Mugen |
| 1996/06/23 | Tokachi (JAP) | Formula Nippon | DNC | Reynard 96D-Mugen |
| 1996/07/07 | Suzuka (JAP) | Formula Nippon | 1 | Reynard 96D-Mugen |
| 1996/08/04 | Sugo (JAP) | Formula Nippon | 1 | Reynard 96D-Mugen |
| 1996/09/01 | Fuji (JAP) | Formula Nippon | DNC | Reynard 96D-Mugen |
| 1996/09/15 | Mine (JAP) | Formula Nippon | DNC | Reynard 96D-Mugen |
| 1996/09/26 | Suzuka (JAP) | Formula Nippon | 6 | Reynard 96D-Mugen |
| 1996/10/20 | Fuji (JAP) | Formula Nippon | DNC | Reynard 96D-Mugen |
| 1997 | ||||
| 1997/07/06 | Suzuka (JAP) | Formula Nippon | 1 | |
| 1998 | ||||
| 1998/03/08 | Melbourne (AUS) | Formula 1 World Championship Grand Prix Australia | DNC | Tyrrell 026-Ford |
| 2000 | ||||
| 2000/03/26 | Suzuka (JAP) | Formula Nippon | 1 | |
| 2000/04/16 | Motegi (JAP) | Formula Nippon | 1 | |
| 2000/06/04 | Fuji (JAP) | Formula Nippon | 1 | |
| 2000/07/02 | Suzuka (JAP) | Formula Nippon | 1 | |
| 2000/07/30 | Sugo (JAP) | Formula Nippon | 1 | |
| 2000/08/20 | Motegi (JAP) | Formula Nippon | 1 | |
| 2000/09/03 | Fuji (JAP) | Formula Nippon | 1 | |
| 2000/09/17 | Mine (JAP) | Formula Nippon | 1 | |
| 2001 | ||||
| 2001/03/11 | Monterrey (MEX) | Champ Car World Series Grand Prix Monterrey | 10 | Reynard 01I-Toyota RV8F |
| 2001/04/08 | Long Beach, CA (USA) | Champ Car World Series Grand Prix Long Beach | 20 | Reynard 01I-Toyota RV8F |
| 2001/05/06 | Nazareth, PA (USA) | Champ Car World Series | 14 | Reynard 01I-Toyota RV8F |
| 2001/05/19 | Motegi (JAP) | Champ Car World Series | 20 | Reynard 2KI-Toyota RV8F |
| 2001/06/03 | Milwaukee, WI (USA) | Champ Car World Series | 20 | Reynard 2KI-Toyota RV8F |
| 2001/06/17 | Detroit, MI (USA) | Champ Car World Series Grand Prix Detroit | 20 | Reynard 01I-Toyota RV8F |
| 2001/06/24 | Portland Raceway, OR (USA) | Champ Car World Series G.I. Joe's 200 | 18 | Reynard-Toyota |
| 2001/07/29 | Cicero, IL (USA) | Champ Car World Series | 11 | Reynard-Toyota RV8F |
| 2001/09/02 | Vancouver (CAN) | Champ Car World Series Molson Indy Vancouver | 7 | Reynard-Toyota RV8F |
| 2001/09/15 | EuroSpeedway, BR (DEU) | Champ Car World Series | 6 | Reynard-Toyota RV8F |
| 2001/10/07 | Houston, TX (USA) | Champ Car World Series | 4 | Reynard-Toyota RV8F |
| 2002 | ||||
| 2002/03/10 | Monterrey (MEX) | Champ Car World Series Grand Prix Monterrey | 14 | Reynard 01I-Toyota RV8F |
| 2002/04/14 | Long Beach, CA (USA) | Champ Car World Series Grand Prix Long Beach | 6 | Reynard 01I-Toyota RV8F |
| 2002/04/27 | Motegi (JAP) | Champ Car World Series | 8 | Reynard 02I-Toyota RV8F |
| 2002/06/02 | Milwaukee, WI (USA) | Champ Car World Series | 14 | Reynard 01I-Toyota RV8F |
| 2002/06/09 | Laguna Seca, CA (USA) | Champ Car World Series Grand Prix Monterey | 16 | Reynard 01I-Toyota RV8F |
| 2002/06/16 | Portland Raceway, OR (USA) | Champ Car World Series G.I. Joe's 200 | 18 | Reynard 01I-Toyota RV8F |
| 2002/06/30 | Cicero, IL (USA) | Champ Car World Series | 4 | Reynard 01I-Toyota RV8F |
| 2002/07/07 | Toronto (CAN) | Champ Car World Series | 8 | Reynard 02I-Toyota RV8F |
| 2002/07/14 | Cleveland, OH (USA) | Champ Car World Series | 7 | Reynard 02I-Toyota RV8F |
| 2002/07/28 | Vancouver (CAN) | Champ Car World Series Molson Indy Vancouver | 15 | Reynard 01I-Toyota RV8F |
| 2002/08/11 | Lexington, OH (USA) | Champ Car World Series | 12 | Reynard 01I-Toyota RV8F |
| 2002/08/18 | Elkhart Lake, WI (USA) | Champ Car World Series | 15 | Reynard 01I-Toyota RV8F |
| 2002/08/25 | Montreal (CAN) | Champ Car World Series | 14 | Reynard 01I-Toyota RV8F |
| 2002/09/01 | Denver, CO (USA) | Champ Car World Series | 15 | Reynard 02I-Toyota RV8F |
| 2002/09/14 | Corby (GBR) | Champ Car World Series | 6 | Reynard 01I-Toyota RV8F |
| 2002/10/06 | Miami (Bayfront Park), FL (USA) | Champ Car World Series | 15 | Reynard 01I-Toyota RV8F |
| 2002/10/27 | Surfer's Paradise (AUS) | Champ Car World Series | DNS | Reynard 01I-Toyota RV8F |
| 2002/11/03 | Fontana, CA (USA) | Champ Car World Series | 18 | Reynard 02I-Toyota RV8F |
| 2002/11/17 | Mexico City (MEX) | Champ Car World Series | 6 | Reynard 02I-Toyota RV8F |
| 2003 | ||||
| 2003/03/02 | Homestead, FL (USA) | IndyCar Series | 12 | G Force-Toyota |
| 2003/03/23 | Pheonix Raceway, AZ (USA) | IndyCar Series | 22 | G Force-Toyota |
| 2003/04/13 | Motegi (JAP) | IndyCar Series | 8 | G Force-Toyota |
| 2003/05/25 | Indianapolis, IN (USA) | IndyCar Series Indianapolis 500 | 5 | G Force-Toyota |
| 2003/06/07 | Fort Worth, TX (USA) | IndyCar Series | 3 | G Force-Toyota |
| 2003/06/15 | Fountain, CO (USA) | IndyCar Series | 6 | G Force-Toyota |
| 2003/06/28 | Richmond, VA (USA) | IndyCar Series | 13 | G Force-Toyota |
| 2003/07/06 | Kansas City, KS (USA) | IndyCar Series | 18 | G Force-Toyota |
| 2003/07/19 | Nashville Superspeedway, TN (USA) | IndyCar Series | 7 | G Force-Toyota |
| 2003/07/27 | Brooklyn, MI (USA) | IndyCar Series | 6 | G Force-Toyota |
| 2003/08/10 | Madison, IL (USA) | IndyCar Series | 7 | Dallara-Toyota |
| 2003/08/17 | Sparta, KY (USA) | IndyCar Series | 18 | Dallara-Toyota |
| 2003/08/24 | Nazareth, PA (USA) | IndyCar Series | 14 | G Force-Toyota |
| 2003/09/07 | Joliet, IL (USA) | IndyCar Series | 9 | G Force-Toyota |
| 2003/09/21 | Fontana, CA (USA) | IndyCar Series | 18 | G Force-Toyota |
| 2003/10/12 | Fort Worth, TX (USA) | IndyCar Series | 7 | G Force-Toyota |
| 2004 | ||||
| 2004/02/29 | Homestead, FL (USA) | IndyCar Series | 4 | Dallara-Toyota |
| 2004/03/21 | Pheonix Raceway, AZ (USA) | IndyCar Series | 8 | Dallara-Toyota |
| 2004/04/16 | Motegi (JAP) | IndyCar Series | 10 | Dallara-Toyota |
| 2004/05/30 | Indianapolis, IN (USA) | IndyCar Series Indianapolis 500 | 19 | Dallara-Toyota |
| 2004/06/12 | Fort Worth, TX (USA) | IndyCar Series | 10 | Dallara-Toyota |
| 2005 | ||||
| 2005/03/27 | Okayama (JAP) | Super GT Championship | 33 (14) | Toyota Supra |