| 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 |
| 2000 | Yakult | Jap Cen | Intl | - | 22 | 0 | 0 | 5.79 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 4.2 | 8 | 4 | 3 | 0 | 3 | 5 | 0 | 0 | 0 | 2.36 | 15.43 | 0.00 | 5.79 | 9.64 | 7.71 | 1.67 | |
| 2002 | Yakult | Jap Cen | Intl | - | 24 | 1 | 0 | 3.93 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 34.1 | 30 | 15 | 15 | 7 | 14 | 36 | 0 | 0 | 0 | 1.28 | 7.86 | 1.83 | 3.67 | 9.44 | 3.93 | 2.57 | |
| 2003 | Yakult | Jap Cen | Intl | - | 25 | 3 | 1 | 3.54 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 53.1 | 51 | 23 | 21 | 7 | 15 | 43 | 0 | 0 | 0 | 1.24 | 8.61 | 1.18 | 2.53 | 7.26 | 3.88 | 2.87 | |
| 2004 | Yakult | Jap Cen | Intl | - | 26 | 0 | 0 | 12.91 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 15 | 11 | 11 | 4 | 2 | 5 | 0 | 0 | 0 | 2.22 | 17.61 | 4.70 | 2.35 | 5.87 | 12.91 | 2.50 | |
| 2005 | Yakult | Jap Cen | Intl | - | 27 | 0 | 1 | 3.81 | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 49.2 | 45 | 21 | 21 | 7 | 9 | 30 | 0 | 0 | 0 | 1.09 | 8.15 | 1.27 | 1.63 | 5.44 | 3.81 | 3.33 | |
| 2006 | Yakult | Jap Cen | Intl | - | 28 | 4 | 2 | 3.33 | 51 | 0 | 0 | 0 | 0 | 11 | 0 | 54.0 | 65 | 29 | 20 | 9 | 6 | 43 | 3 | 0 | 0 | 1.31 | 10.83 | 1.50 | 1.00 | 7.17 | 4.83 | 7.17 | |
| 2007 | Yakult Swallows | Jap Cen | Intl | 24 | 29 | 2 | 2 | 4.80 | 41 | 0 | 0 | 0 | 0 | 0 | 2 | 50.2 | 49 | 29 | 27 | 6 | 17 | 43 | 1 | 0 | 0 | 1.30 | 8.70 | 1.07 | 3.02 | 7.64 | 5.15 | 2.53 | |
| 2008 | Yakult Swallows | Jap Cen | Intl | - | 30 | 0 | 1 | 4.38 | 23 | 0 | 0 | 0 | 23 | 0 | 0 | 24.2 | 30 | 12 | 12 | 3 | 5 | 15 | 2 | 0 | 0 | 1.42 | 10.95 | 1.09 | 1.82 | 5.47 | 4.38 | 3.00 | |
| 2009 | Yakult Swallows | Jap Cen | Intl | - | 31 | 0 | 0 | 7.71 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 | 3 | 2 | 2 | 1 | 0 | 3 | 0 | 0 | 0 | 1.29 | 11.57 | 3.86 | 0.00 | 11.57 | 7.71 | 0.00 |
| 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 |
| 2002 | Yakult | Jap Cen | Intl | - | 24 | P | 22 | 4 | 1 | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 1 | 0 | .250 | .250 | .750 | 1.000 | .500 | .500 | .500 | 0.00 | 50.00 | 0.00 | 0.00 | ||
| 2003 | Yakult | Jap Cen | Intl | - | 25 | P | 22 | 13 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 2 | 14 | 0 | 2 | .154 | .154 | .154 | .308 | .000 | .000 | .250 | 0.00 | 35.71 | 0.00 | 0.00 | ||
| 2007 | Yakult Swallows | Jap Cen | Intl | 24 | 29 | P | 41 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 |