| J1 League 2012 - Appearances as Assistant | ||||
| 10/03/2012 | Sagan Tosu | - | Cerezo Osaka | 0:0 |
| 24/03/2012 | Vissel Kobe | - | FC Tokyo | 0:2 |
| 12/05/2012 | Júbilo Iwata | - | Kashima Antlers | 3:0 |
| 23/06/2012 | Sanfrecce Hiroshima | - | RB Omiya Ardija | 0:0 |
| 30/06/2012 | Júbilo Iwata | - | FC Tokyo | 3:1 |
| 11/08/2012 | Kawasaki Frontale | - | Sagan Tosu | 1:2 |
| 25/08/2012 | Sanfrecce Hiroshima | - | FC Tokyo | 0:1 |
| 29/09/2012 | Kawasaki Frontale | - | Consadole Sapporo | 1:0 |
| 07/11/2012 | Vissel Kobe | - | Yokohama F. Marinos | 1:2 |
Japan