| J1 League 2022 - Appearances as Assistant | ||||
| 14/08/2022 | Kashima Antlers | - | Avispa Fukuoka | 2:0 |
| 20/08/2022 | Shimizu S-Pulse | - | Kashiwa Reysol | 1:1 |
| 03/09/2022 | Gamba Osaka | - | Sagan Tosu | 0:3 |
| 10/09/2022 | Kawasaki Frontale | - | Sanfrecce Hiroshima | 4:0 |
| J1 League 2022 - Appearances as Assistant | ||||
| 14/08/2022 | Kashima Antlers | - | Avispa Fukuoka | 2:0 |
| 20/08/2022 | Shimizu S-Pulse | - | Kashiwa Reysol | 1:1 |
| 03/09/2022 | Gamba Osaka | - | Sagan Tosu | 0:3 |
| 10/09/2022 | Kawasaki Frontale | - | Sanfrecce Hiroshima | 4:0 |
| Complete name: | Kogo Kumagai |
| Born: | |
| Place of birth: |
Japan |
| Nationality: |
Japan |