Yahata Koichi
Key name (used for sorting): Yahata Koichi
1968-08-15 –
Citizenship: JPN
Affiliation: Kansai Kiin
Rank progression
| 1p | 1988-01 |
| 2p | 1991-05 |
| 3p | 1991-10 |
| 4p | 1992-09 |
| 5p | 1994-05-16 |
| 6p | 1997-06 |
ID: 1572. Last changed: March 4, 2023, 8:19 p.m. by ug.
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