| 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 |
| 1995 | Seibu | Jap Pac | Intl | - | 24 | 0 | 0 | 1.50 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 3 | 1 | 1 | 1 | 0 | 4 | 0 | 0 | 0 | 0.50 | 4.50 | 1.50 | 0.00 | 6.00 | 1.50 | 0.00 | |
| 1996 | Seibu | Jap Pac | Intl | - | 25 | 5 | 5 | 3.08 | 18 | 0 | 3 | 1 | 0 | 0 | 0 | 108.0 | 101 | 40 | 37 | 17 | 25 | 88 | 0 | 0 | 0 | 1.17 | 8.42 | 1.42 | 2.08 | 7.33 | 3.33 | 3.52 | |
| 1997 | Seibu | Jap Pac | Intl | - | 26 | 10 | 6 | 2.93 | 23 | 0 | 6 | 3 | 0 | 0 | 0 | 150.2 | 128 | 54 | 49 | 14 | 54 | 86 | 0 | 0 | 0 | 1.21 | 7.65 | 0.84 | 3.23 | 5.14 | 3.23 | 1.59 | |
| 1998 | Seibu | Jap Pac | Intl | - | 27 | 4 | 2 | 4.35 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 39.1 | 34 | 19 | 19 | 4 | 9 | 31 | 0 | 0 | 0 | 1.09 | 7.78 | 0.92 | 2.06 | 7.09 | 4.35 | 3.44 | |
| 1999 | Seibu | Jap Pac | Intl | - | 28 | 10 | 4 | 3.89 | 20 | 0 | 4 | 2 | 0 | 0 | 0 | 122.2 | 111 | 57 | 53 | 12 | 16 | 91 | 0 | 0 | 0 | 1.04 | 8.14 | 0.88 | 1.17 | 6.68 | 4.18 | 5.69 | |
| 2000 | Seibu | Jap Pac | Intl | 20 | 29 | 5 | 9 | 3.80 | 26 | 0 | 1 | 0 | 0 | 0 | 1 | 118.1 | 130 | 52 | 50 | 12 | 27 | 90 | 0 | 0 | 0 | 1.33 | 9.89 | 0.91 | 2.05 | 6.85 | 3.95 | 3.33 | |
| 2002 | Seibu | Jap Pac | Intl | - | 31 | 6 | 1 | 0.78 | 57 | 0 | 0 | 0 | 0 | 0 | 38 | 57.1 | 32 | 5 | 5 | 1 | 3 | 66 | 0 | 0 | 0 | 0.61 | 5.02 | 0.16 | 0.47 | 10.36 | 0.78 | 22.00 | |
| 2003 | Seibu | Jap Pac | Intl | - | 32 | 2 | 3 | 0.00 | 58 | 0 | 0 | 0 | 0 | 0 | 38 | 58.0 | 37 | 53 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0.66 | 5.74 | 0.00 | 0.16 | 0.16 | 8.22 | 1.00 | |
| 2004 | Seibu | Jap Pac | Intl | - | 33 | 5 | 1 | 0.98 | 34 | 0 | 0 | 0 | 0 | 0 | 11 | 36.2 | 26 | 5 | 4 | 1 | 5 | 39 | 0 | 0 | 0 | 0.85 | 6.38 | 0.25 | 1.23 | 9.57 | 1.23 | 7.80 | |
| 2005 | Seibu | Jap Pac | Intl | - | 34 | 3 | 1 | 3.97 | 35 | 0 | 0 | 0 | 0 | 0 | 19 | 34.0 | 42 | 17 | 15 | 4 | 6 | 31 | 0 | 0 | 0 | 1.41 | 11.12 | 1.06 | 1.59 | 8.21 | 4.50 | 5.17 | |
| 2006 | Yomiuri | Jap Cen | Intl | 20 | 35 | 1 | 4 | 3.32 | 38 | 0 | 0 | 0 | 0 | 27 | 13 | 38.0 | 39 | 14 | 14 | 2 | 6 | 46 | 0 | 0 | 0 | 1.18 | 9.24 | 0.47 | 1.42 | 10.89 | 3.32 | 7.67 | |
| 2007 | Yomiuri Giants | Jap Cen | Intl | - | 36 | 2 | 5 | 3.38 | 47 | 0 | 0 | 0 | 0 | 0 | 4 | 48.0 | 46 | 18 | 18 | 2 | 8 | 56 | 1 | 0 | 0 | 1.13 | 8.63 | 0.38 | 1.50 | 10.50 | 3.38 | 7.00 | |
| 2008 | Yomiuri Giants | Jap Cen | Intl | - | 37 | 3 | 2 | 3.30 | 50 | 0 | 0 | 0 | 50 | 0 | 0 | 46.1 | 45 | 17 | 17 | 4 | 5 | 49 | 2 | 0 | 1 | 1.08 | 8.74 | 0.78 | 0.97 | 9.52 | 3.30 | 9.80 | |
| 2009 | Yomiuri Giants | Jap Cen | Intl | - | 38 | 2 | 2 | 1.99 | 46 | 0 | 0 | 0 | 0 | 0 | 5 | 40.2 | 35 | 13 | 9 | 3 | 15 | 32 | 1 | 0 | 1 | 1.23 | 7.75 | 0.66 | 3.32 | 7.08 | 2.88 | 2.13 | |
| 2010 | Yomiuri Giants | Jap Cen | Intl | - | 39 | 1 | 1 | 4.40 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 14.1 | 22 | 7 | 7 | 3 | 6 | 18 | 0 | 0 | 0 | 1.95 | 13.81 | 1.88 | 3.77 | 11.30 | 4.40 | 3.00 | |
| 2011 | Hiroshima Toyo Carp | Jap Cen | Intl | - | 40 | 1 | 0 | 3.08 | 32 | 0 | 0 | 0 | 0 | 0 | 7 | 26.1 | 27 | 9 | 9 | 3 | 1 | 20 | 0 | 0 | 0 | 1.06 | 9.23 | 1.03 | 0.34 | 6.84 | 3.08 | 20.00 |
| year | team name | league | level | mlb | # | age | pos | tbc+ | g | ab | r | h | 2b | 3b | hr | rbi | sb | cs | bb | so | hbp | sh | sf | ibb | gdp | tb | pa | xbh | 1b | avg | obp | slg | ops | seca | iso | babip | bb% | so% | so/bb | ab/hr |
| 2007 | Yomiuri Giants | Jap Cen | Intl | - | 36 | P | 47 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | 0.00 | 0.00 |