| 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 | - | 23 | 1 | 0 | 4.73 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 32.1 | 23 | 18 | 17 | 5 | 18 | 36 | 0 | 0 | 0 | 1.27 | 6.40 | 1.39 | 5.01 | 10.02 | 5.01 | 2.00 | |
| 2002 | Yakult | Jap Cen | Intl | - | 25 | 10 | 9 | 3.08 | 28 | 0 | 5 | 1 | 0 | 0 | 0 | 195.2 | 167 | 72 | 67 | 25 | 44 | 171 | 0 | 0 | 0 | 1.08 | 7.68 | 1.15 | 2.02 | 7.87 | 3.31 | 3.89 | |
| 2003 | Yakult | Jap Cen | Intl | - | 26 | 0 | 0 | 3.37 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2.2 | 3 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1.50 | 10.12 | 0.00 | 3.37 | 3.37 | 3.37 | 1.00 | |
| 2004 | Yakult | Jap Cen | Intl | - | 27 | 4 | 6 | 5.51 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 78.1 | 91 | 53 | 48 | 16 | 28 | 73 | 0 | 0 | 0 | 1.52 | 10.46 | 1.84 | 3.22 | 8.39 | 6.09 | 2.61 | |
| 2005 | Yakult | Jap Cen | Intl | - | 28 | 10 | 12 | 3.43 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 176.0 | 156 | 70 | 67 | 24 | 64 | 143 | 5 | 0 | 0 | 1.25 | 7.98 | 1.23 | 3.27 | 7.31 | 3.58 | 2.23 | |
| 2006 | Yakult | Jap Cen | Intl | - | 29 | 7 | 8 | 4.41 | 27 | 0 | 1 | 0 | 0 | 0 | 0 | 128.2 | 124 | 64 | 63 | 15 | 45 | 88 | 4 | 1 | 6 | 1.31 | 8.67 | 1.05 | 3.15 | 6.16 | 4.48 | 1.96 | |
| 2007 | Yakult Swallows | Jap Cen | Intl | 18 | 30 | 7 | 10 | 5.05 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 123.0 | 123 | 71 | 69 | 18 | 53 | 96 | 2 | 0 | 0 | 1.43 | 9.00 | 1.32 | 3.88 | 7.02 | 5.20 | 1.81 | |
| 2008 | Nippon Ham Fighters | Jap Pac | Intl | - | 31 | 3 | 8 | 3.25 | 19 | 19 | 0 | 0 | 0 | 0 | 0 | 110.2 | 115 | 46 | 40 | 11 | 41 | 76 | 2 | 0 | 5 | 1.41 | 9.35 | 0.89 | 3.33 | 6.18 | 3.74 | 1.85 | |
| 2009 | Nippon Ham Fighters | Jap Pac | Intl | - | 32 | 7 | 5 | 3.53 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 114.2 | 120 | 45 | 45 | 11 | 48 | 63 | 3 | 0 | 6 | 1.47 | 9.42 | 0.86 | 3.77 | 4.94 | 3.53 | 1.31 | |
| 2010 | Yomiuri Giants | Jap Cen | Intl | - | 33 | 7 | 3 | 3.76 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 122.0 | 107 | 53 | 51 | 16 | 34 | 91 | 4 | 3 | 0 | 1.16 | 7.89 | 1.18 | 2.51 | 6.71 | 3.91 | 2.68 | |
| 2011 | Yomiuri Giants | Jap Cen | Intl | - | 34 | 0 | 0 | 5.40 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 6 | 3 | 3 | 2 | 1 | 1 | 0 | 0 | 0 | 1.40 | 10.80 | 3.60 | 1.80 | 1.80 | 5.40 | 1.00 | |
| 2012 | Yokohama Bay Stars | Jap Cen | Intl | - | 35 | 7 | 7 | 3.75 | 16 | 16 | 0 | 0 | 0 | 0 | 0 | 84.0 | 83 | 36 | 35 | 7 | 37 | 40 | 0 | 0 | 1 | 1.43 | 8.89 | 0.75 | 3.96 | 4.29 | 3.86 | 1.08 | |
| 2013 | Yokohama Bay Stars | Jap Cen | Intl | - | 36 | 6 | 5 | 3.54 | 21 | 21 | 3 | 1 | 0 | 0 | 0 | 117.0 | 114 | 51 | 46 | 14 | 58 | 61 | 3 | 0 | 4 | 1.47 | 8.77 | 1.08 | 4.46 | 4.69 | 3.92 | 1.05 |
| 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 | - | 25 | P | 28 | 65 | 3 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 30 | 0 | 6 | 0 | 0 | 0 | 7 | 72 | 0 | 7 | .108 | .121 | .108 | .229 | .015 | .000 | .200 | 1.39 | 41.67 | 30.00 | 0.00 | ||
| 2003 | Yakult | Jap Cen | Intl | - | 26 | P | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | .000 | 1.000 | 0.00 | 0.00 | 0.00 | 0.00 | ||
| 2004 | Yakult | Jap Cen | Intl | - | 27 | P | 16 | 26 | 1 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 15 | 0 | 0 | 0 | 0 | 0 | 4 | 29 | 0 | 4 | .154 | .241 | .154 | .395 | .000 | .000 | .000 | 10.34 | 51.72 | 5.00 | 0.00 | ||
| 2006 | Yakult | Jap Cen | Intl | - | 29 | P | 27 | 30 | 0 | 4 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 11 | 0 | 4 | 0 | 0 | 0 | 5 | 34 | 1 | 3 | .133 | .133 | .167 | .300 | .033 | .034 | .211 | 0.00 | 32.35 | 0.00 | 0.00 | ||
| 2007 | Yakult Swallows | Jap Cen | Intl | 18 | 30 | P | 25 | 33 | 1 | 5 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 13 | 1 | 2 | 0 | 0 | 0 | 6 | 36 | 1 | 4 | .152 | .176 | .182 | .358 | .030 | .030 | .250 | 0.00 | 36.11 | 0.00 | 0.00 | ||
| 2008 | Nippon Ham Fighters | Jap Pac | Intl | - | 31 | P | 19 | 4 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 0 | 2 | .500 | .500 | .500 | 1.000 | .000 | .000 | 1.000 | 0.00 | 50.00 | 0.00 | 0.00 | ||
| 2009 | Nippon Ham Fighters | Jap Pac | Intl | - | 32 | P | 22 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 1 | .333 | .333 | .333 | .666 | .000 | .000 | .500 | 0.00 | 33.33 | 0.00 | 0.00 | ||
| 2010 | Yomiuri Giants | Jap Cen | Intl | - | 33 | P | 23 | 38 | 3 | 9 | 3 | 0 | 0 | 1 | 0 | 0 | 1 | 12 | 1 | 2 | 0 | 0 | 0 | 12 | 42 | 3 | 6 | .237 | .275 | .316 | .591 | .105 | .079 | .346 | 2.38 | 28.57 | 12.00 | 0.00 | ||
| 2011 | Yomiuri Giants | Jap Cen | Intl | - | 34 | P | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | ||
| 2012 | Yokohama Bay Stars | Jap Cen | Intl | - | 35 | P | 16 | 18 | 3 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 4 | 0 | 2 | 0 | 0 | 0 | 4 | 22 | 0 | 4 | .222 | .300 | .222 | .522 | .111 | .000 | .286 | 9.09 | 18.18 | 2.00 | 0.00 | ||
| 2013 | Yokohama Bay Stars | Jap Cen | Intl | - | 36 | P | 21 | 30 | 3 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 12 | 1 | 5 | 0 | 0 | 0 | 2 | 37 | 0 | 2 | .067 | .125 | .067 | .192 | .033 | .000 | .111 | 2.70 | 32.43 | 12.00 | 0.00 |