| 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 |
| 2000 | Seibu | Jap Pac | Intl | 50 | 25 | 0 | 1 | 1.93 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 9.1 | 14 | 6 | 2 | 0 | 4 | 4 | 0 | 0 | 0 | 1.93 | 13.50 | 0.00 | 3.86 | 3.86 | 5.79 | 1.00 | |
| 2002 | Seibu | Jap Pac | Intl | - | 27 | 7 | 2 | 3.37 | 16 | 0 | 1 | 1 | 0 | 0 | 0 | 82.2 | 61 | 32 | 31 | 8 | 21 | 66 | 0 | 0 | 0 | 0.99 | 6.64 | 0.87 | 2.29 | 7.19 | 3.48 | 3.14 | |
| 2003 | Seibu | Jap Pac | Intl | - | 28 | 10 | 7 | 3.81 | 23 | 0 | 1 | 1 | 0 | 0 | 0 | 141.2 | 150 | 66 | 60 | 29 | 34 | 91 | 0 | 0 | 0 | 1.30 | 9.53 | 1.84 | 2.16 | 5.78 | 4.19 | 2.68 | |
| 2004 | Seibu | Jap Pac | Intl | - | 29 | 3 | 2 | 5.97 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 31.2 | 38 | 22 | 21 | 6 | 11 | 17 | 0 | 0 | 0 | 1.55 | 10.80 | 1.71 | 3.13 | 4.83 | 6.25 | 1.55 | |
| 2005 | Yomiuri | Jap Cen | Intl | - | 30 | 0 | 2 | 9.60 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 15.0 | 22 | 16 | 16 | 0 | 6 | 9 | 2 | 0 | 0 | 1.87 | 13.20 | 0.00 | 3.60 | 5.40 | 9.60 | 1.50 |