| Competition | City | Date | Roles |
|---|
| 1 | Four Continents Championships 2019 | Anaheim | 2019-02-05 | Judge (Senior men) |
| 2 | Kinki Regional Championships 2018 | Osaka | 2018-10-05 | Controller (Junior ladies, Advanced novice boys, Advanced novice girls)
|
| 3 | JGP Richmond 2018 | Richmond | 2018-09-12 | Controller (Junior men)
|
| 4 | Japan Championships 2017 | Tokyo | 2017-12-19 | Judge (Senior ladies) |
| 5 | Japan Junior Championships 2017 | Gunma | 2017-11-24 | Controller (Junior men)
|
| 6 | Finlandia Trophy 2017 | Espoo | 2017-10-06 | Referee (Senior ladies)
|
| 7 | Tokyo Regional Championships 2017 | Tokyo | 2017-09-21 | Controller (Senior men, Junior ladies, Advanced novice girls, Basic novice B boys)
|
| 8 | JGP Brisbane 2017 | Brisbane | 2017-08-23 | Controller (Junior ladies)
|
| 9 | World Team Trophy 2017 | Tokyo | 2017-04-20 | Judge (Senior ladies) |
| 10 | 8th Asian Winter Games | Sapporo | 2017-02-23 | Referee (Senior men)
|
| 11 | Japan Championships 2016 | Osaka | 2016-12-22 | Controller (Senior men)
|
| 12 | Kinki Regional Championships 2016 | Osaka | 2016-10-08 | Referee (Junior ladies, Advanced novice girls, Basic novice B girls)
|
| 13 | JGP Yokohama 2016 | Yokohama | 2016-09-08 | Controller (Junior ladies)
|
| 14 | Japan Championships 2015 | Hokkaido | 2015-12-24 | Referee (Senior ladies)
|
| 15 | Japan Junior Championships 2015 | Ibaraki | 2015-11-21 | Controller (Junior ladies)
|
| 16 | JGP Zagreb 2015 | Zagreb | 2015-10-07 | Controller (Junior men)
|
| 17 | World Team Trophy 2015 | Tokyo | 2015-04-16 | Judge (Senior ladies) |
| 18 | Japan Championships 2014 | Nagano | 2014-12-25 | Controller (Senior ladies)
|
| 19 | Japan Junior Championships 2014 | Niigata | 2014-11-22 | Controller (Junior men)
|
| 20 | Western Section Championships 2014 | Fukuoka | 2014-10-31 | Controller (Senior ladies, Junior men)
|
| 21 | Skate America 2014 | Chicago | 2014-10-23 | Judge (Senior men) |
| 22 | Tokyo Regional Championships 2014 | Tokyo | 2014-10-10 | Referee (Senior men, Senior ladies, Junior men, Advanced novice boys, Basic novice B boys)
|
| 23 | Skate Down Under 2014 | Dunedin | 2014-08-14 | Controller (Senior ladies, Junior ladies, Junior men, Advanced novice girls, Advanced novice boys)
|
| 24 | World Development Trophy 2014 - 02 | Manila | 2014-04-21 | Controller (Junior ladies, Junior men, Basic novice B boys, Basic novice B girls, Basic novice A girls, Basic novice A boys)
|
| 25 | World Junior Championship 2014 | Sofia | 2014-03-10 | Judge (Junior men) |
| 26 | Japan Championships 2013 | Saitama | 2013-12-20 | Controller (Senior ladies)
|
| 27 | Grand Prix and Junior Grand Prix Final 2013 | Fukuoka | 2013-12-04 | Judge (Senior ladies, Junior ladies) |
| 28 | Japan Junior Championships 2013 | Nagoya | 2013-11-22 | Referee (Junior ladies)
|
| 29 | Eastern Section Championships 2013 | Gunma | 2013-11-01 | Controller (Senior ladies, Junior men)
|
| 30 | Tokyo Regional Championships 2013 | Tokyo | 2013-10-03 | Controller (Junior ladies, Junior men, Advanced novice boys, Basic novice B boys)
|
| 31 | Japan Championships 2012 | Sapporo | 2012-12-20 | Controller (Senior men)
|
| 32 | NHK Trophy 2012 | Miyagi | 2012-11-22 | Judge (Senior ladies) |
| 33 | Japan Junior Championships 2012 | Nishitōkyō, Tokyo | 2012-11-17 | Referee (Junior ladies)
|
| 34 | Western Section Championships 2012 | Fukuoka | 2012-11-01 | Controller (Senior men, Junior ladies)
|
| 35 | Tokyo Regional Championships 2012 | Tokyo | 2012-10-05 | Controller (Senior men, Junior men, Junior ladies)
|
| 36 | Four Continents Championships 2012 | Colorado Springs | 2012-02-07 | Judge (Senior men) |
| 37 | Japan Championships 2011 | Kadoma | 2011-12-22 | Judge (Senior men) |
| 38 | Rostelecom Cup | Moscow | 2011-11-24 | Judge (Senior ladies) |
| 39 | Western Section Championships 2011 | Kyoto | 2011-11-03 | Controller (Senior men, Junior ladies)
|
| 40 | Japan Novice Championships 2011 | Tokyo | 2011-10-28 | Referee (Basic novice B boys, Basic novice B girls)
|
| 41 | Tokyo Regional Championships 2011 | Tokyo | 2011-10-08 | Controller (Senior men, Junior ladies, Advanced novice boys, Basic novice B girls)
|
| 42 | Japan Championships 2010 | Nagano | 2010-12-24 | Judge (Senior men) |
| 43 | NRW Trophy 2009 | Dortmund | 2009-12-03 | Judge (Senior ladies) |
| 44 | Japan Junior Championships 2009 | Yokohama | 2009-11-21 | Judge (Junior ladies) |
| 45 | Finlandia Trophy 2009 | Vantaa | 2009-10-08 | Judge (Senior men, Senior ladies) |
| 46 | Japan Championships 2008 | Nagano | 2008-12-25 | Judge (Senior men) |
| 47 | JGP Courchevel 2008 | Courchevel | 2008-08-27 | Judge (Junior ladies) |
| 48 | Japan Championships 2007 | Kadoma | 2007-12-26 | Judge (Senior men) |
| 49 | JGP Sofia Cup 2007 | Sofia | 2007-10-03 | Judge (Junior men) |
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