| Season |
Series / Class |
Racecar |
Driver / Scoring / Races |
|
| 2021 |
Formula Regional Japanese Championship |
Dome F111/3 - Alfa Romeo |
Ryunosuke Sawa , 5.
5 of 13 races 2 Wins |
|
| 2020 |
Formula Regional Japanese Championship |
Dome F111/3 - Alfa Romeo |
Riki Okusa , 14.
2 of 14 races |
|
| Dome F111/3 - Alfa Romeo |
Miki Koyama , 20.
2 of 14 races |
|
| Dome F111/3 - Alfa Romeo |
Yuki Nemoto , 8.
3 of 14 races 1 Win |
|
| Dome F111/3 - Alfa Romeo |
Toshihiko (Osaka) Hachiro , 21.
3 of 14 races |
|
| Formula Regional Japanese Championship, Class Masters |
Dome F111/3 - Alfa Romeo |
Toshihiko (Osaka) Hachiro , 7.
3 of 14 races |
|
| 2006 |
All-Japan Formula 3 Championship |
Dallara F305 - TOM's Toyota |
Motohiko Isozaki , 14.
16 of 18 races |
|
| Formula 3 Macau Grand Prix (single race) |
Dallara F305 - TOM's Toyota |
James Winslow |
|
| 2005 |
All-Japan Formula 3 Championship |
Dallara F305 - TOM's Toyota |
Motohiko Isozaki , 16.
20 of 20 races |
|
| Formula 3 Macau Grand Prix (single race) |
Dallara F305 - TOM's Toyota |
Daisuke Ikeda |
|
| 2004 |
All-Japan Formula 3 Championship |
Dallara F302 - TOM's Toyota |
Motohiko Isozaki , 16.
20 of 20 races |
|
