| 2003 | Sigmatech Racing Team | Keita Sawa, 3. 8 of 8 races 2 wins |
All-Japan GT Championship, Class GT300 |
Masaki (Guts) Jyonai, 26. 5 of 8 races |
Tatsuya Kataoka, 16. 2 of 8 races 2 wins |
Haruki Kurosawa, 28. 1 of 8 races |
APR | Seigou Nishizawa, 33. 8 of 8 races |
All-Japan GT Championship, Class GT300 |
Koji Matsuda, 33. 8 of 8 races |
Team Reckless | Kota Sasaki, 8. 8 of 8 races 1 win |
All-Japan GT Championship, Class GT300 |
Saturo Gotou, 8. 8 of 8 races 1 win |
Racing Project Bandoh | Takayuki Aoki, 6. 7 of 8 races 2 wins |
All-Japan GT Championship, Class GT300 |
Minoru Tanaka, 6. 7 of 8 races 2 wins |
Team TOM's | Masahiro Matsunaga, 38. 7 of 8 races |
All-Japan GT Championship, Class GT300 |
Masaoki Nagashima, 38. 7 of 8 races |