| year | team name | league | level | mlb | # | age | w | l | era | g | gs | cg | sho | gr | gf | sv | ip | h | r | er | hr | bb | so | wp | bk | hb | whip | h9 | hr9 | bb9 | so9 | ra9 | so/bb |
| 1998 | Seibu | Jap Pac | Intl | - | 24 | 1 | 0 | 3.67 | 13 | 0 | 0 | 0 | 0 | 0 | 1 | 27.0 | 27 | 13 | 11 | 2 | 9 | 19 | 0 | 0 | 0 | 1.33 | 9.00 | 0.67 | 3.00 | 6.33 | 4.33 | 2.11 | |
| 1999 | Seibu | Jap Pac | Intl | - | 25 | 0 | 0 | 4.50 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2.0 | 1 | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 1.50 | 4.50 | 0.00 | 9.00 | 4.50 | 9.00 | 0.50 | |
| 2003 | Seibu | Jap Pac | Intl | - | 29 | 0 | 0 | 2.45 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 11.0 | 8 | 4 | 3 | 1 | 4 | 4 | 0 | 0 | 0 | 1.09 | 6.55 | 0.82 | 3.27 | 3.27 | 3.27 | 1.00 | |
| 2004 | Seibu | Jap Pac | Intl | - | 30 | 2 | 1 | 8.15 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 17.2 | 21 | 16 | 16 | 3 | 5 | 6 | 0 | 0 | 0 | 1.47 | 10.70 | 1.53 | 2.55 | 3.06 | 8.15 | 1.20 | |
| 2005 | Seibu | Jap Pac | Intl | - | 31 | 0 | 0 | 2.70 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 13.1 | 11 | 6 | 4 | 2 | 6 | 7 | 0 | 0 | 0 | 1.28 | 7.43 | 1.35 | 4.05 | 4.73 | 4.05 | 1.17 |