| 1998 | Chiba Lotte | Jap Pac | Intl | | - | 25 | 6 | 4 | 2.17 | 56 | 0 | 0 | 0 | 0 | 0 | 7 | 66.1 | 62 | 18 | 16 | 3 | 19 | 54 | 0 | 0 | 0 | 1.22 | 8.41 | 0.41 | 2.58 | 7.33 | 2.44 | 2.84 |
| 1999 | Chiba Lotte | Jap Pac | Intl | | - | 26 | 3 | 1 | 3.23 | 65 | 0 | 0 | 0 | 0 | 0 | 0 | 61.1 | 57 | 23 | 22 | 5 | 13 | 57 | 0 | 0 | 0 | 1.14 | 8.36 | 0.73 | 1.91 | 8.36 | 3.38 | 4.38 |
| 2000 | Chiba Lotte | Jap Pac | Intl | | - | 27 | 2 | 1 | 0.00 | 70 | 0 | 0 | 0 | 0 | 0 | 0 | 59.0 | 64 | 7 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1.10 | 9.76 | 0.00 | 0.15 | 0.00 | 1.07 | 0.00 |
| 2002 | Chiba Lotte | Jap Pac | Intl | | - | 29 | 0 | 2 | 3.86 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 23.1 | 27 | 11 | 10 | 3 | 3 | 16 | 0 | 0 | 0 | 1.29 | 10.41 | 1.16 | 1.16 | 6.17 | 4.24 | 5.33 |
| 2003 | Chiba Lotte | Jap Pac | Intl | | - | 30 | 0 | 1 | 4.34 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 18.2 | 23 | 11 | 9 | 3 | 7 | 17 | 0 | 0 | 0 | 1.61 | 11.09 | 1.45 | 3.37 | 8.20 | 5.30 | 2.43 |
| 2004 | Chiba Lotte | Jap Pac | Intl | | - | 31 | 1 | 1 | 0.00 | 62 | 0 | 0 | 0 | 0 | 0 | 0 | 44.0 | 52 | 12 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1.23 | 10.64 | 0.00 | 0.41 | 0.00 | 2.45 | 0.00 |
| 2005 | Chiba Lotte | Jap Pac | Intl | | - | 32 | 1 | 4 | 2.56 | 45 | 0 | 0 | 0 | 0 | 0 | 0 | 38.2 | 27 | 12 | 11 | 2 | 13 | 31 | 1 | 0 | 0 | 1.03 | 6.28 | 0.47 | 3.03 | 7.22 | 2.79 | 2.38 |
| 2006 | Chiba Lotte | Jap Pac | Intl | | - | 33 | 4 | 3 | 3.54 | 56 | 0 | 0 | 0 | 0 | 6 | 0 | 40.2 | 42 | 19 | 16 | 1 | 7 | 35 | 0 | 0 | 2 | 1.20 | 9.30 | 0.22 | 1.55 | 7.75 | 4.20 | 5.00 |
| 2007 | Chiba Lotte Marines | Jap Pac | Intl | | - | 34 | 1 | 2 | 12.64 | 31 | 0 | 0 | 0 | 0 | 0 | 1 | 15.2 | 28 | 23 | 22 | 2 | 2 | 12 | 1 | 0 | 0 | 1.91 | 16.09 | 1.15 | 1.15 | 6.89 | 13.21 | 6.00 |
| 2008 | Yomiuri Giants | Jap Cen | Intl | | - | 35 | 0 | 0 | 3.10 | 39 | 0 | 0 | 0 | 39 | 0 | 0 | 29.0 | 30 | 13 | 10 | 2 | 8 | 21 | 0 | 0 | 1 | 1.31 | 9.31 | 0.62 | 2.48 | 6.52 | 4.03 | 2.63 |
| 2009 | Yomiuri Giants | Jap Cen | Intl | | - | 36 | 1 | 0 | 2.08 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 17.1 | 20 | 5 | 4 | 1 | 1 | 10 | 0 | 0 | 0 | 1.21 | 10.38 | 0.52 | 0.52 | 5.19 | 2.60 | 10.00 |
| 2011 | Fukuoka Hawks | Jap Pac | Intl | | - | 38 | 1 | 0 | 9.64 | 19 | 0 | 0 | 0 | 0 | 0 | 5 | 9.1 | 10 | 10 | 10 | 1 | 5 | 8 | 0 | 0 | 0 | 1.61 | 9.64 | 0.96 | 4.82 | 7.71 | 9.64 | 1.60 |