Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 100m | 10.20 | +1.3 | Hiroshima (JPN) | 29.04.2009 | | 200m | 20.22 | +1.3 | Hiroshima (JPN) | 26.06.2009 | | 200m ind. | 21.23 | | Yokohama (JPN) | 22.02.2003 | | 400m | 46.01 | | Fukuroi (JPN) | 29.10.2003 | | 400m ind. | 47.38 | | Yokohama (JPN) | 21.02.2004 | | 4x100m | 38.03 | | Yanmar Stadium Nagai, Osaka (JPN) | 01.09.2007 | | 4x200m | 1:23.87 | | T. Robinson Stadium, Nassau (BAH) | 24.05.2014 | | 4x400m | 3:05.53 | | Incheon (KOR) | 29.09.2014 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2001 | 10.55 | +0.4 | Asahikawa (JPN) | 02.09.2001 | | 2002 | 10.52 | +2.0 | Naka (JPN) | 03.08.2002 | | 2003 | 10.76 | | Cuxhaven (GER) | 19.07.2003 | | 2004 | 10.32 | +1.8 | Gotemba (JPN) | 19.09.2004 | | 2005 | 10.33 | | Tokyo (JPN) | 13.05.2005 | | 2006 | 10.37 | +0.4 | Ageo (JPN) | 14.05.2006 | | 2007 | 10.39 | +0.3 | Akita (JPN) | 06.10.2007 | | 2008 | 10.29 | +0.8 | Hiroshima (JPN) | 29.04.2008 | | 2009 | 10.20 | +1.3 | Hiroshima (JPN) | 29.04.2009 | | 2010 | 10.71 | -0.4 | Sports Park Mladost, Zagreb (CRO) | 01.09.2010 | | 2011 | 10.39 | +1.2 | Hiroshima (JPN) | 29.04.2011 | | 2012 | 10.29 | +1.3 | Hiroshima (JPN) | 29.04.2012 | | 2013 | 10.50 | +0.1 | Hiroshima (JPN) | 28.04.2013 | | 2014 | 10.41 | +1.9 | Izumo (JPN) | 20.04.2014 | | 2015 | 10.73 | -0.7 | Chiba (JPN) | 15.08.2015 | | 2017 | 10.64 | -0.5 | Izumo (JPN) | 22.04.2017 |
| Year | Result | Wind | Venue | Date |
|---|
| 2002 | 20.97 | 0.0 | Naka (JPN) | 05.08.2002 | | 2003 | 20.63 | +0.2 | Maebashi (JPN) | 12.10.2003 | | 2004 | 20.59 | +1.5 | Tottori (JPN) | 05.06.2004 | | 2005 | 20.55 | +1.6 | Tokyo (JPN) | 03.07.2005 | | 2006 | 20.35 | +1.2 | Yokohama (JPN) | 21.05.2006 | | 2007 | 20.52 | +1.2 | Osaka (JPN) | 30.06.2007 | | 2008 | 20.58 | 0.0 | National Stadium, Beijing (CHN) | 18.08.2008 | | 2009 | 20.22 | +1.3 | Hiroshima (JPN) | 26.06.2009 | | 2010 | 20.78 | 0.0 | Osaka (JPN) | 08.05.2010 | | 2011 | 20.49 | | Kumagaya (JPN) | 11.06.2011 | | 2012 | 20.56 | 0.0 | Osaka (JPN) | 10.06.2012 | | 2013 | 20.52 | +0.9 | Tokyo (JPN) | 09.06.2013 | | 2014 | 20.50 | +0.6 | Fukuroi (JPN) | 03.05.2014 | | 2015 | 20.93 | +0.6 | Hakodate (JPN) | 19.07.2015 | | 2016 | 20.97 | +1.0 | Fukuroi (JPN) | 03.05.2016 | | 2017 | 21.27 | -0.3 | Fukuroi (JPN) | 03.05.2017 |
| Year | Result | Venue | Date |
|---|
| 2002 | 46.81 | Haruno (JPN) | 24.10.2002 | | 2003 | 46.01 | Fukuroi (JPN) | 29.10.2003 |
| Year | Result | Venue | Date |
|---|
| 2002 | 39.30 | Bangkok (THA) | 28.10.2002 | | 2004 | 38.49 | Olympic Stadium, Athina (GRE) | 28.08.2004 | | 2005 | 38.46 | Olympiastadion, Helsinki (FIN) | 12.08.2005 | | 2006 | 38.51 | Olympic Stadium, Athina (GRE) | 16.09.2006 | | 2007 | 38.03 | Yanmar Stadium Nagai, Osaka (JPN) | 01.09.2007 | | 2008 | 38.15 | National Stadium, Beijing (CHN) | 22.08.2008 | | 2009 | 38.30 | Olympiastadion, Berlin (GER) | 22.08.2009 | | 2010 | 39.28 | Poljud Stadion, Split (CRO) | 04.09.2010 | | 2011 | 38.66 | DS, Daegu (KOR) | 04.09.2011 | | 2012 | 38.07 | Olympic Stadium, London (GBR) | 10.08.2012 | | 2014 | 38.49 | Incheon (KOR) | 02.10.2014 |
| Year | Result | Venue | Date |
|---|
| 2014 | 1:23.87 | T. Robinson Stadium, Nassau (BAH) | 24.05.2014 |
| Year | Result | Venue | Date |
|---|
| 2009 | 3:07.89 | Okayama (JPN) | 27.09.2009 | | 2014 | 3:05.53 | Incheon (KOR) | 29.09.2014 |
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