| 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 |
| 1997 | Nippon | Jap Pac | Intl | - | 26 | 2 | 2 | 4.79 | 47 | 0 | 0 | 0 | 0 | 0 | 0 | 35.2 | 39 | 21 | 19 | 4 | 19 | 25 | 0 | 0 | 0 | 1.63 | 9.84 | 1.01 | 4.79 | 6.31 | 5.30 | 1.32 | |
| 1998 | Nippon | Jap Pac | Intl | - | 27 | 0 | 0 | 4.04 | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 35.2 | 26 | 18 | 16 | 3 | 15 | 22 | 0 | 0 | 0 | 1.15 | 6.56 | 0.76 | 3.79 | 5.55 | 4.54 | 1.47 | |
| 1999 | Nippon | Jap Pac | Intl | - | 28 | 0 | 0 | 6.35 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 17.0 | 23 | 13 | 12 | 4 | 2 | 9 | 0 | 0 | 0 | 1.47 | 12.18 | 2.12 | 1.06 | 4.76 | 6.88 | 4.50 | |
| 2000 | Nippon | Jap Pac | Intl | - | 29 | 4 | 1 | 3.16 | 31 | 0 | 0 | 0 | 0 | 0 | 1 | 42.2 | 41 | 19 | 15 | 4 | 17 | 43 | 0 | 0 | 0 | 1.36 | 8.65 | 0.84 | 3.59 | 9.07 | 4.01 | 2.53 | |
| 2002 | Nippon | Jap Pac | Intl | 42 | 31 | 0 | 0 | 4.15 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 4.1 | 7 | 2 | 2 | 0 | 1 | 2 | 0 | 0 | 0 | 1.85 | 14.54 | 0.00 | 2.08 | 4.15 | 4.15 | 2.00 | |
| 2003 | Nippon | Jap Pac | Intl | 42 | 32 | 3 | 3 | 0.00 | 55 | 0 | 0 | 0 | 0 | 0 | 0 | 50.0 | 44 | 12 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.90 | 7.92 | 0.00 | 0.18 | 0.00 | 2.16 | 0.00 | |
| 2004 | Nippon | Jap Pac | Intl | - | 33 | 0 | 0 | 3.12 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 8 | 3 | 3 | 1 | 2 | 11 | 0 | 0 | 0 | 1.15 | 8.31 | 1.04 | 2.08 | 11.42 | 3.12 | 5.50 |