| 1995 | Chiba Lotte | Jap Pac | Intl | | - | 21 | 5 | 7 | 3.71 | 20 | 0 | 1 | 1 | 0 | 0 | 0 | 80.0 | 72 | 35 | 33 | 7 | 26 | 58 | 0 | 0 | 0 | 1.23 | 8.10 | 0.79 | 2.93 | 6.53 | 3.94 | 2.23 |
| 1996 | Chiba Lotte | Jap Pac | Intl | | - | 22 | 8 | 7 | 3.58 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 135.2 | 119 | 58 | 54 | 11 | 57 | 90 | 0 | 0 | 0 | 1.30 | 7.89 | 0.73 | 3.78 | 5.97 | 3.85 | 1.58 |
| 1997 | Chiba Lotte | Jap Pac | Intl | | - | 23 | 12 | 15 | 2.99 | 32 | 0 | 13 | 1 | 0 | 0 | 0 | 240.2 | 206 | 98 | 80 | 24 | 86 | 179 | 0 | 0 | 0 | 1.21 | 7.70 | 0.90 | 3.22 | 6.69 | 3.66 | 2.08 |
| 1998 | Chiba Lotte | Jap Pac | Intl | | - | 24 | 13 | 9 | 3.29 | 31 | 0 | 8 | 2 | 0 | 0 | 0 | 197.0 | 185 | 78 | 72 | 14 | 89 | 124 | 0 | 0 | 0 | 1.39 | 8.45 | 0.64 | 4.07 | 5.66 | 3.56 | 1.39 |
| 1999 | Chiba Lotte | Jap Pac | Intl | | - | 25 | 14 | 10 | 2.50 | 29 | 0 | 7 | 0 | 0 | 0 | 0 | 212.2 | 164 | 67 | 59 | 14 | 68 | 171 | 0 | 0 | 0 | 1.09 | 6.94 | 0.59 | 2.88 | 7.24 | 2.84 | 2.51 |
| 2000 | Chiba Lotte | Jap Pac | Intl | | - | 26 | 10 | 12 | 5.18 | 26 | 0 | 5 | 1 | 0 | 0 | 0 | 160.0 | 181 | 103 | 92 | 21 | 48 | 134 | 0 | 0 | 0 | 1.43 | 10.18 | 1.18 | 2.70 | 7.54 | 5.79 | 2.79 |
| 2004 | Chiba Lotte | Jap Pac | Intl | | - | 30 | 1 | 3 | 4.41 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 34.2 | 35 | 21 | 17 | 9 | 21 | 20 | 0 | 0 | 0 | 1.62 | 9.09 | 2.34 | 5.45 | 5.19 | 5.45 | 0.95 |
| 2005 | Chiba Lotte | Jap Pac | Intl | | - | 31 | 2 | 1 | 4.58 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 17.2 | 21 | 9 | 9 | 3 | 3 | 9 | 1 | 0 | 0 | 1.36 | 10.70 | 1.53 | 1.53 | 4.58 | 4.58 | 3.00 |
| 2006 | Chiba Lotte | Jap Pac | Intl | | - | 32 | 0 | 0 | 6.75 | 5 | 0 | 0 | 0 | 0 | 3 | 1 | 4.0 | 5 | 3 | 3 | 1 | 4 | 3 | 0 | 0 | 0 | 2.25 | 11.25 | 2.25 | 9.00 | 6.75 | 6.75 | 0.75 |
| 2007 | Chiba Lotte Marines | Jap Pac | Intl | | - | 33 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.1 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0.75 | 0.00 | 0.00 | 6.75 | 13.50 | 0.00 | 2.00 |