| 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 |
| 1993 | Chiba Lotte | Jap Pac | Intl | - | 24 | 1 | 4 | 3.23 | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 75.1 | 62 | 29 | 27 | 7 | 32 | 52 | 0 | 0 | 0 | 1.25 | 7.41 | 0.84 | 3.82 | 6.21 | 3.46 | 1.63 | |
| 1994 | Chiba Lotte | Jap Pac | Intl | - | 25 | 3 | 6 | 2.73 | 47 | 0 | 0 | 0 | 0 | 0 | 19 | 85.2 | 76 | 27 | 26 | 5 | 29 | 98 | 0 | 0 | 0 | 1.23 | 7.98 | 0.53 | 3.05 | 10.30 | 2.84 | 3.38 | |
| 1995 | Chiba Lotte | Jap Pac | Intl | - | 26 | 9 | 3 | 0.00 | 44 | 0 | 0 | 0 | 0 | 0 | 21 | 63.0 | 43 | 40 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.70 | 6.14 | 0.00 | 0.14 | 0.00 | 5.71 | 0.00 | |
| 1996 | Chiba Lotte | Jap Pac | Intl | - | 27 | 7 | 6 | 3.32 | 45 | 0 | 0 | 0 | 0 | 0 | 23 | 62.1 | 56 | 26 | 23 | 8 | 15 | 64 | 0 | 0 | 0 | 1.14 | 8.09 | 1.16 | 2.17 | 9.24 | 3.75 | 4.27 | |
| 1997 | Chiba Lotte | Jap Pac | Intl | - | 28 | 2 | 0 | 10.45 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 10.1 | 15 | 14 | 12 | 2 | 10 | 7 | 0 | 0 | 0 | 2.42 | 13.06 | 1.74 | 8.71 | 6.10 | 12.19 | 0.70 | |
| 1999 | Chiba Lotte | Jap Pac | Intl | - | 30 | 1 | 0 | 4.70 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 7 | 4 | 4 | 1 | 4 | 5 | 0 | 0 | 0 | 1.43 | 8.22 | 1.17 | 4.70 | 5.87 | 4.70 | 1.25 | |
| 2000 | Chiba Lotte | Jap Pac | Intl | - | 31 | 0 | 0 | 27.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 2 | 3 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 4.00 | 18.00 | 0.00 | 18.00 | 0.00 | 27.00 | 0.00 | |
| 2003 | Yakult | Jap Cen | Intl | - | 34 | 0 | 0 | 5.22 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 39.2 | 43 | 23 | 23 | 11 | 5 | 35 | 0 | 0 | 0 | 1.21 | 9.76 | 2.50 | 1.13 | 7.94 | 5.22 | 7.00 | |
| 2004 | Yakult | Jap Cen | Intl | - | 35 | 0 | 0 | 4.91 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 13 | 6 | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 1.77 | 15.95 | 1.23 | 0.00 | 3.68 | 7.36 | 0.00 |