| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 2000 | Pacific Grand Prix | 46 | Nastro Azzurro Honda | Honda | 5 | 2 | 20 |
| 2001 | Pacific Grand Prix | 46 | Nastro Azzurro Honda | Honda | 4 | 1 | 25 |
| 2002 | Pacific Grand Prix | 46 | Repsol Honda Team | Honda | 6 | 2 | 20 |
| 2003 | Pacific Grand Prix | 46 | Repsol Honda | Honda | 3 | 2 | 20 |
| 2004 | Japanese Grand Prix | 46 | Gauloises Fortuna Yamaha | Yamaha | 3 | 2 | 20 |
| 2005 | Japanese Grand Prix | 46 | Gauloises Yamaha Team | Yamaha | 11 | Ret | 0 |
| 2006 | Japanese Grand Prix | 46 | Camel Yamaha Team | Yamaha | 2 | 2 | 20 |
| 2007 | Japanese Grand Prix | 46 | Fiat Yamaha Team | Yamaha | 2 | 13 | 3 |
| 2008 | Japanese Grand Prix | 46 | Fiat Yamaha Team | Yamaha | 4 | 1 | 25 |
| 2009 | Japanese Grand Prix | 46 | Fiat Yamaha Team | Yamaha | 1 | 2 | 20 |
| 2010 | Japanese Grand Prix | 46 | Fiat Yamaha Team | Yamaha | 2 | 3 | 16 |
| 2011 | Japanese Grand Prix | 46 | Ducati Team | Ducati | 7 | Ret | 0 |
| 2012 | Japanese Grand Prix | 46 | Ducati Team | Ducati | 9 | 7 | 9 |
| 2013 | Japanese Grand Prix | 46 | Yamaha Factory Racing | Yamaha | 5 | 6 | 10 |
| 2014 | Japanese Grand Prix | 46 | Movistar Yamaha MotoGP | Yamaha | 2 | 3 | 16 |
| 2015 | Japanese Grand Prix | 46 | Movistar Yamaha MotoGP | Yamaha | 2 | 2 | 20 |
| 2016 | Japanese Grand Prix | 46 | Movistar Yamaha MotoGP | Yamaha | 1 | Ret | 0 |
| 2017 | Japanese Grand Prix | 46 | Movistar Yamaha MotoGP | Yamaha | 12 | Ret | 0 |
| 2018 | Japanese Grand Prix | 46 | Movistar Yamaha MotoGP | Yamaha | 9 | 4 | 13 |
| 2019 | Japanese Grand Prix | 46 | Monster Energy Yamaha MotoGP | Yamaha | 10 | Ret | 0 |
| Avg. | 5 | 3.5 | 17.1 |
