| 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 |
| 2002 | Yakult | Jap Cen | Intl | - | 23 | 3 | 2 | 3.78 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 50.0 | 46 | 22 | 21 | 4 | 14 | 31 | 0 | 0 | 0 | 1.20 | 8.28 | 0.72 | 2.52 | 5.58 | 3.96 | 2.21 | |
| 2003 | Yakult | Jap Cen | Intl | - | 24 | 6 | 7 | 3.21 | 30 | 0 | 2 | 2 | 0 | 0 | 0 | 115.0 | 104 | 43 | 41 | 11 | 25 | 83 | 0 | 0 | 0 | 1.12 | 8.14 | 0.86 | 1.96 | 6.50 | 3.37 | 3.32 | |
| 2004 | Yakult | Jap Cen | Intl | - | 25 | 1 | 3 | 6.26 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 64.2 | 82 | 47 | 45 | 13 | 23 | 44 | 0 | 0 | 0 | 1.62 | 11.41 | 1.81 | 3.20 | 6.12 | 6.54 | 1.91 | |
| 2006 | Yakult | Jap Cen | Intl | - | 27 | 3 | 1 | 5.06 | 13 | 0 | 0 | 0 | 0 | 2 | 0 | 32.0 | 33 | 18 | 18 | 4 | 8 | 31 | 1 | 0 | 0 | 1.28 | 9.28 | 1.13 | 2.25 | 8.72 | 5.06 | 3.88 | |
| 2007 | Yakult Swallows | Jap Cen | Intl | 20 | 28 | 0 | 1 | 1.16 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 31.0 | 27 | 5 | 4 | 1 | 11 | 17 | 2 | 0 | 0 | 1.23 | 7.84 | 0.29 | 3.19 | 4.94 | 1.45 | 1.55 | |
| 2008 | Yakult Swallows | Jap Cen | Intl | - | 29 | 0 | 2 | 6.86 | 16 | 0 | 0 | 0 | 16 | 0 | 0 | 21.0 | 33 | 16 | 16 | 5 | 8 | 19 | 0 | 0 | 1 | 1.95 | 14.14 | 2.14 | 3.43 | 8.14 | 6.86 | 2.38 | |
| 2009 | Yakult Swallows | Jap Cen | Intl | - | 30 | 0 | 1 | 5.25 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 12.0 | 8 | 7 | 7 | 2 | 4 | 10 | 0 | 0 | 0 | 1.00 | 6.00 | 1.50 | 3.00 | 7.50 | 5.25 | 2.50 |
| 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 |
| 2002 | Yakult | Jap Cen | Intl | - | 23 | P | 15 | 16 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 8 | 0 | 1 | 0 | 0 | 0 | 2 | 18 | 1 | 0 | .063 | .118 | .125 | .243 | .125 | .062 | .125 | 5.56 | 44.44 | 8.00 | 0.00 | ||
| 2003 | Yakult | Jap Cen | Intl | - | 24 | P | 31 | 28 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 6 | 0 | 0 | 1 | 2 | 34 | 0 | 2 | .071 | .071 | .071 | .142 | .000 | .000 | .154 | 0.00 | 44.12 | 0.00 | 0.00 | ||
| 2004 | Yakult | Jap Cen | Intl | - | 25 | P | 20 | 18 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 11 | 0 | 0 | 0 | 0 | 0 | 2 | 19 | 0 | 2 | .111 | .158 | .111 | .269 | .000 | .000 | .000 | 5.26 | 57.89 | 11.00 | 0.00 | ||
| 2006 | Yakult | Jap Cen | Intl | - | 27 | P | 13 | 5 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 1 | .200 | .333 | .200 | .533 | .200 | .000 | .333 | 16.67 | 33.33 | 2.00 | 0.00 | ||
| 2007 | Yakult Swallows | Jap Cen | Intl | 20 | 28 | P | 22 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 33.33 | 0.00 | 0.00 | ||
| 2008 | Yakult Swallows | Jap Cen | Intl | - | 29 | P | 16 | 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 |