| J1 League 1998 2nd stage - Appearances as Assistant | ||||
| 11/09/1998 | Urawa Red Diamonds | - | Vissel Kobe | 2:1 |
| 22/09/1998 | Avispa Fukuoka | - | Gamba Osaka | 1:0 |
| 20/10/1998 | Bellmare Hiratsuka | - | Consadole Sapporo | 4:3 pso |
| 02/11/1998 | Kashima Antlers | - | Júbilo Iwata | 1:0 |
| J1 League 1998 2nd stage - Appearances as Assistant | ||||
| 11/09/1998 | Urawa Red Diamonds | - | Vissel Kobe | 2:1 |
| 22/09/1998 | Avispa Fukuoka | - | Gamba Osaka | 1:0 |
| 20/10/1998 | Bellmare Hiratsuka | - | Consadole Sapporo | 4:3 pso |
| 02/11/1998 | Kashima Antlers | - | Júbilo Iwata | 1:0 |
| Complete name: | Masahiro Katagiri |
| Born: | |
| Place of birth: |
Japan |
| Nationality: |
Japan |