| 1999 | Seibu | Jap Pac | Intl | | - | 21 | 1 | 3 | 3.47 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 46.2 | 49 | 19 | 18 | 0 | 23 | 32 | 0 | 0 | 0 | 1.54 | 9.45 | 0.00 | 4.44 | 6.17 | 3.66 | 1.39 |
| 2000 | Seibu | Jap Pac | Intl | | 26 | 22 | 0 | 0 | 7.94 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 5.2 | 5 | 5 | 5 | 0 | 9 | 6 | 0 | 0 | 0 | 2.47 | 7.94 | 0.00 | 14.29 | 9.53 | 7.94 | 0.67 |
| 2002 | Seibu | Jap Pac | Intl | | - | 24 | 2 | 0 | 1.08 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 11 | 1 | 1 | 0 | 3 | 8 | 0 | 0 | 0 | 1.68 | 11.88 | 0.00 | 3.24 | 8.64 | 1.08 | 2.67 |
| 2003 | Seibu | Jap Pac | Intl | | - | 25 | 0 | 0 | 6.92 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 13.0 | 18 | 10 | 10 | 1 | 7 | 12 | 0 | 0 | 0 | 1.92 | 12.46 | 0.69 | 4.85 | 8.31 | 6.92 | 1.71 |
| 2004 | Seibu | Jap Pac | Intl | | - | 26 | 4 | 3 | 0.00 | 56 | 0 | 0 | 0 | 0 | 0 | 0 | 46.0 | 26 | 7 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0.67 | 5.09 | 0.00 | 0.98 | 0.00 | 1.37 | 0.00 |
| 2005 | Seibu | Jap Pac | Intl | | - | 27 | 1 | 2 | 3.11 | 56 | 0 | 0 | 0 | 0 | 0 | 1 | 37.2 | 35 | 16 | 13 | 4 | 22 | 40 | 1 | 0 | 0 | 1.51 | 8.36 | 0.96 | 5.26 | 9.56 | 3.82 | 1.82 |
| 2006 | Seibu | Jap Pac | Intl | | 26 | 28 | 1 | 3 | 3.93 | 58 | 0 | 0 | 0 | 0 | 14 | 1 | 36.2 | 21 | 17 | 16 | 4 | 16 | 39 | 1 | 0 | 2 | 1.01 | 5.15 | 0.98 | 3.93 | 9.57 | 4.17 | 2.44 |
| 2007 | Seibu Lions | Jap Pac | Intl | | - | 29 | 0 | 0 | 3.49 | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 28.1 | 25 | 12 | 11 | 1 | 15 | 25 | 0 | 0 | 0 | 1.41 | 7.94 | 0.32 | 4.76 | 7.94 | 3.81 | 1.67 |
| 2008 | Seibu Lions | Jap Pac | Intl | | - | 30 | 4 | 1 | 2.38 | 63 | 0 | 0 | 0 | 63 | 0 | 0 | 34.0 | 22 | 9 | 9 | 0 | 15 | 23 | 2 | 0 | 5 | 1.09 | 5.82 | 0.00 | 3.97 | 6.09 | 2.38 | 1.53 |
| 2009 | Seibu Lions | Jap Pac | Intl | | - | 31 | 1 | 1 | 4.08 | 62 | 0 | 0 | 0 | 0 | 0 | 1 | 35.1 | 34 | 17 | 16 | 4 | 14 | 25 | 2 | 0 | 5 | 1.36 | 8.66 | 1.02 | 3.57 | 6.37 | 4.33 | 1.79 |
| 2010 | Seibu Seibu Lions | Jap Pac | Intl | | - | 32 | 0 | 0 | 8.10 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 13.1 | 14 | 12 | 12 | 0 | 8 | 10 | 0 | 0 | 0 | 1.65 | 9.45 | 0.00 | 5.40 | 6.75 | 8.10 | 1.25 |
| 2011 | Seibu Lions | Jap Pac | Intl | | - | 33 | 0 | 0 | 2.66 | 37 | 0 | 0 | 0 | 0 | 0 | 9 | 20.1 | 21 | 7 | 6 | 0 | 9 | 20 | 1 | 0 | 0 | 1.48 | 9.30 | 0.00 | 3.98 | 8.85 | 3.10 | 2.22 |
| 2012 | Seibu Lions | Jap Pac | Intl | | - | 34 | 0 | 0 | 10.80 | 6 | 0 | 0 | 0 | 6 | 1 | 0 | 3.1 | 7 | 4 | 4 | 0 | 2 | 4 | 0 | 0 | 0 | 2.70 | 18.90 | 0.00 | 5.40 | 10.80 | 10.80 | 2.00 |
| 2013 | Tohoku Rakuten Golden Eagles | Jap Pac | Intl | | - | 35 | 0 | 1 | 12.71 | 11 | 0 | 0 | 0 | 11 | 3 | 0 | 5.2 | 8 | 10 | 8 | 1 | 6 | 4 | 0 | 0 | 1 | 2.47 | 12.71 | 1.59 | 9.53 | 6.35 | 15.88 | 0.67 |