| J1 League 2004 - Appearances as Assistant | ||||
| 14/04/2004 | Kashima Antlers | - | Albirex Niigata | 2:2 |
| 12/05/2004 | Yokohama F. Marinos | - | Shimizu S-Pulse | 1:1 |
| 26/06/2004 | Urawa Red Diamonds | - | FC Tokyo | 2:1 |
| 21/08/2004 | Yokohama F. Marinos | - | Oita Trinita | 2:1 |
| 11/09/2004 | FC Tokyo | - | Vissel Kobe | 3:1 |
| 23/10/2004 | Kashima Antlers | - | Urawa Red Diamonds | 2:3 |
| 28/11/2004 | JEF United Ichihara | - | Júbilo Iwata | 2:1 |
Japan