2019: Super GT Japan - GT300, Team UpGarage, Honda NSX GT3 - 7 races;
Suzuka 10 Hours, Team UpGarage, Honda Acura NSX GT3 - 14th;
2018: Super GT Japan - GT500, Nakajima Racing, Honda NSX Concept-GT - 19th, 8 races;
2017: Super GT Japan - GT500, Nakajima Racing, Honda NSX Concept-GT - 11th, 8 races, 1 win, 1 podium;
2016: Super GT Series - GT500, Autobacs Racing Team Aguri, Honda NSX-GT - 15th, 8 races;
2015: Super GT Series - GT500, Autobacs Racing Team Aguri, Honda NSX-GT - 14th, 8 races;
2014: Super GT Series - GT500, Autobacs Racing Team Aguri, Honda NSX-GT - 16th, 8 races;
2013: Super GT Series - GT500, Autobacs Racing Team Aguri, Honda HSV-010 GT - 11th, 8 races, 1 win, 1 podium;
2012: Super GT Series - GT300, Autobacs Racing Team Aguri, ASL Garaiya - 9th, 8 races;
2011: Super GT Series - GT300, Autobacs Racing Team Aguri, ASL Garaiya - 12th, 8 races, 1 podium;
2010: Super GT Series - GT300, APR, Toyota Corolla Axio - 10th, 7 races, 1 podium;
24H Series - A5, Petronas Syntium Team, BMW Z4 M Coupé - 1 race, 1 podium;
2009: Super GT Series - GT500, Team Kunimitsu, Honda NSX - 17th, 2 races;
IndyCar Series, Conquest Racing, Dallara IR4 (Honda) - 1 race;
2008: Formula Nippon, DoCoMo Dandelion, Lola FN06 (Honda) - 18th, 11 races, 1 win, 1 podium;
Super GT Series - GT500, Team Kunimitsu, Honda NSX - 18th, 1 race, 1 podium;
2007: IndyCar Series, Super Aguri Panther Racing, Dallara IR4 (Honda) - 16th, 17 races;
2006: IndyCar Series, Super Aguri Fernandez Racing, Dallara IR4 (Honda) - 13th, 14 races;
2005: IndyCar Series, Super Aguri Fernandez Racing, Panoz GF09B (Honda) - 14th, 17 races;
2004: IndyCar Series, Super Aguri Fernandez Racing, Panoz GF09 (Honda) - 14th, 15 races;
2003: Formula Renault V6 Eurocup, Signature, Tatuus Formula V6 (Renault) - 3rd, 18 races, 3 wins, 9 podiums;
2002: Formula 3 Germany, Prema Powerteam, Dallara F302 (Opel) - 2nd, 17 races, 2 wins, 7 podiums;
Masters of Formula 3, Prema Powerteam, Dallara F302 (Opel) - 28th;
Formula 3 Macau GP, Prema Powerteam, Dallara F302 (Opel) - DNF;
Formula 3 Korea Super Prix, Prema Powerteam, Dallara F302 (Opel) - 3rd;
Formula 3 European Cup, Prema Powerteam, Dallara F302 (Opel) - 4th;
Formula 3 Italy, Prema Powerteam, Dallara F302 (Opel) - 9th, 1 race, 1 podium;
2001: Formula 3 Germany, Prema Powerteam, Dallara F301 (Opel) - 8th, 19 races, 1 win, 2 podiums;
Masters of Formula 3, Prema Powerteam, Dallara F301 (Opel) - 23rd;
Formula 3 Macau GP, Prema Powerteam, Dallara F301 (Opel) - 4th;
Formula 3 European Cup, Prema Powerteam, Dallara F301 (Opel) - 4th;
Formula 3 Korea Super Prix, Prema Powerteam, Dallara F301 (Opel) - 7th;
2000: Formula Dream, ARTA Formula Dream, Dome FD99 (Honda Mugen) - 1st, 13 races, 7 wins;