| Competition | City | Date | Roles |
|---|
| 1 | World Championship 2018 | Milano | 2018-03-19 | Judge (Senior ice dance) |
| 2 | Japan Championships 2017 | Tokyo | 2017-12-19 | Judge (Senior ladies) |
| 3 | Japan Junior Championships 2017 | Gunma | 2017-11-24 | Referee (Junior men)
|
| 4 | NHK Trophy 2017 | Osaka | 2017-11-10 | Judge (Senior ice dance) |
| 5 | Eastern Section Championships 2017 | Yamanashi | 2017-10-26 | Referee (Senior ladies, Junior men)
|
| 6 | JGP Riga 2017 | Riga | 2017-09-06 | Judge (Junior ladies) |
| 7 | World Team Trophy 2017 | Tokyo | 2017-04-20 | Judge (Senior ice dance) |
| 8 | 8th Asian Winter Games | Sapporo | 2017-02-23 | Judge (Senior ladies) |
| 9 | Four Continents Championships 2017 | Gangneung | 2017-02-14 | Judge (Senior ice dance) |
| 10 | Japan Championships 2016 | Osaka | 2016-12-22 | Judge (Senior men) |
| 11 | Japan Junior Championships 2016 | Sapporo | 2016-11-18 | Judge (Junior men) |
| 12 | Skate America 2016 | Chicago | 2016-10-21 | Judge (Senior ladies, Senior ice dance) |
| 13 | JGP Tallinn Cup 2016 | Tallinn | 2016-09-28 | Judge (Junior ladies, Junior ice dance) |
| 14 | Japan Championships 2015 | Hokkaido | 2015-12-24 | Judge (Senior men) |
| 15 | NHK Trophy 2015 | Nagano | 2015-11-26 | Judge (Senior men) |
| 16 | Japan Junior Championships 2015 | Ibaraki | 2015-11-21 | Judge (Junior ladies) |
| 17 | Eastern Section Championships 2015 | Gunma | 2015-10-29 | Referee (Senior men, Junior ladies)
|
| 18 | World Team Trophy 2015 | Tokyo | 2015-04-16 | Judge (Senior ice dance) |
| 19 | Winter Universiade 2015 | Granada | 2015-02-03 | Judge (Senior ice dance) |
| 20 | Japan Championships 2014 | Nagano | 2014-12-25 | Judge (Senior ladies) |
| 21 | Tallinn Trophy 2014 | Tallinn | 2014-12-03 | Judge (Senior ladies, Senior ice dance, Advanced novice boys) |
| 22 | Cup of Russia 2014 | Moscow | 2014-11-14 | Judge (Senior ladies, Senior ice dance) |
| 23 | Western Section Championships 2014 | Fukuoka | 2014-10-31 | Referee (Senior men, Junior ladies)
|
| 24 | Cup of Nice 2014 | Nice | 2014-10-15 | Judge (Senior men, Senior ice dance, Junior men) |
| 25 | Four Continents Championships 2014 | Taipei City | 2014-01-20 | Judge (Senior ice dance) |
| 26 | Golden Spin 2013 | Zagreb | 2013-12-05 | Judge (Senior ice dance) |
| 27 | Japan Junior Championships 2013 | Nagoya | 2013-11-22 | Referee (Junior men)
|
| 28 | NHK Trophy 2013 | Tokyo | 2013-11-08 | Judge (Senior ladies) |
| 29 | Japan Novice Championships 2013 | Ibaraki | 2013-10-25 | Judge (Advanced novice boys, Advanced novice girls) |
| 30 | Skate America 2013 | Detroit | 2013-10-17 | Judge (Senior ladies, Senior ice dance) |
| 31 | Finlandia Trophy 2013 | Espoo | 2013-10-04 | Judge (Senior ladies, Senior men) |
| 32 | Kinki Regional Championships 2013 | Osaka | 2013-09-26 | Referee (Senior men, Senior ladies, Junior men, Basic novice B girls)
|
| 33 | World Team Trophy 2013 | Tokyo | 2013-04-11 | Judge (Senior ice dance) |
| 34 | Japan Championships 2012 | Sapporo | 2012-12-20 | Judge (Senior men) |
| 35 | NHK Trophy 2012 | Miyagi | 2012-11-22 | Judge (Senior ice dance) |
| 36 | Japan Junior Championships 2012 | Nishitōkyō, Tokyo | 2012-11-17 | Referee (Junior men)
|
| 37 | Skate America 2012 | Seattle | 2012-10-19 | Judge (Senior ladies, Senior men, Senior ice dance) |
| 38 | Kinki Regional Championships 2012 | Shiga | 2012-10-05 | Referee (Senior ladies, Junior men, Advanced novice boys, Basic novice B girls, Basic novice B boys)
|
| 39 | Nebelhorn Trophy 2012 | Oberstdorf | 2012-09-26 | Judge (Senior ice dance) |
| 40 | World Team Trophy 2012 | Tokyo | 2012-04-18 | Judge (Senior ice dance) |
| 41 | Japan Championships 2011 | Kadoma | 2011-12-22 | Judge (Senior ladies) |
| 42 | Japan Junior Championships 2011 | Hachinohe | 2011-11-25 | Referee (Junior ladies)
|
| 43 | Skate America 2011 | Ontario | 2011-10-20 | Judge (Senior ladies, Senior men) |
| 44 | Kinki Regional Championships 2011 | Osaka | 2011-10-08 | Referee (Senior men, Senior ladies, Junior men, Advanced novice girls)
|
| 45 | JGP Innsbruck 2011 | Innsbruck | 2011-09-28 | Judge (Junior ladies) |
| 46 | World Championship 2011 | Moscow | 2011-04-24 | Judge (Senior ice dance) |
| 47 | Japan Championships 2010 | Nagano | 2010-12-24 | Referee (Senior men)
|
| 48 | Skate America 2010 | Portland Oregon | 2010-11-11 | Judge (Senior ladies, Senior ice dance) |
| 49 | JGP Pokal der Blauen Schwerter 2010 | Dresden | 2010-10-06 | Judge (Junior ice dance) |
| 50 | Japan Open 2010 | Saitama | 2010-10-02 | Judge (Senior men, Senior ladies) |
| 51 | Japan Championships 2009 | Osaka | 2009-12-25 | Judge (Senior ladies) |
| 52 | Grand Prix and Junior Grand Prix Final 2009 | Tokyo | 2009-12-02 | Judge (Senior ice dance, Junior ice dance) |
| 53 | Japan Junior Championships 2009 | Yokohama | 2009-11-21 | Referee (Junior ladies)
|
| 54 | Trophée Eric Bompard 2009 | Paris | 2009-10-15 | Judge (Senior ladies, Senior men) |
| 55 | Japan Championships 2008 | Nagano | 2008-12-25 | Judge (Senior men) |
| 56 | NHK Trophy 2008 | Tokyo | 2008-11-27 | Judge (Senior men) |
| 57 | Japan Junior Championships 2008 | Nagoya | 2008-11-23 | Judge (Junior ladies) |
| 58 | JGP Skate Safari 2008 | Cape Town | 2008-10-08 | Judge (Junior men) |
| 59 | Japan Open 2008 | Saitama | 2008-04-20 | Judge (Senior ladies, Senior men) |
| 60 | Skate Canada 2007 | Quebec City | 2007-11-01 | Judge (Senior ladies) |
| 61 | Skate America 2007 | REading | 2007-10-25 | Judge (Senior ladies) |
| 62 | Skate America 2006 | Hartford | 2006-10-26 | Judge (Senior ladies) |
| 63 | Grand Prix Final 2005 | Tokyo | 2005-12-16 | Judge (Senior ice dance) |
| 64 | NHK Trophy 2005 | Osaka | 2005-12-01 | Judge (Senior ladies) |
| 65 | NHK Trophy 2004 | Nagoya | 2004-11-04 | Judge (Senior men, Senior ladies) |
| 66 | Cup of China 2003 | Beijing | 2003-11-06 | Judge (Senior ladies) |
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