| Competition | City | Date | Roles |
|---|
| 1 | World Championship 2019 | Saitama City | 2019-03-18 | Judge (Senior pairs) |
| 2 | Japan Championships 2018 | Osaka | 2018-12-20 | Judge (Senior ladies, Senior pairs) |
| 3 | NHK Trophy 2018 | Hiroshima | 2018-11-09 | Judge (Senior men) |
| 4 | Eastern Section Championships 2018 | Hachinohe | 2018-10-25 | Judge (Senior ladies, Junior men, Junior pairs) |
| 5 | JGP Ostrava 2018 | Ostrava | 2018-09-26 | Judge (Junior men) |
| 6 | World Junior Championship 2018 | Sofia | 2018-03-05 | Judge (Junior pairs) |
| 7 | Grand Prix and Junior Grand Prix Final 2017 | Aichi | 2017-12-06 | Judge (Senior pairs, Junior pairs) |
| 8 | Japan Junior Championships 2017 | Gunma | 2017-11-24 | Judge (Junior ladies) |
| 9 | Eastern Section Championships 2017 | Yamanashi | 2017-10-26 | Judge (Senior men, Junior ladies) |
| 10 | JGP Minsk 2017 | Minsk | 2017-09-20 | Judge (Junior ladies) |
| 11 | Asian Open Figure Skating Trophy 2017 | Hong Kong | 2017-08-05 | Judge (Senior men, Junior ladies, Advanced novice girls, Basic novice A girls) |
| 12 | NHK Trophy 2016 | Sapporo | 2016-11-25 | Judge (Senior men) |
| 13 | Eastern Section Championships 2016 | Nishitokyo | 2016-11-04 | Judge (Senior ladies, Junior men) |
| 14 | Kinoshita Group Medal Winners Open 2016 | Kanagawa | 2016-01-15 | Judge (Senior ladies, Senior men) |
| 15 | Japan Championships 2015 | Hokkaido | 2015-12-24 | Judge (Senior ladies) |
| 16 | NHK Trophy 2015 | Nagano | 2015-11-26 | Judge (Senior pairs) |
| 17 | JGP Riga Cup 2015 | Riga | 2015-08-26 | Judge (Junior men) |
| 18 | World Junior Championship 2015 | Tallinn | 2015-03-02 | Judge (Junior pairs) |
| 19 | NHK Trophy 2014 | Osaka | 2014-11-27 | Judge (Senior ladies) |
| 20 | Japan Junior Championships 2014 | Niigata | 2014-11-22 | Judge (Junior ladies) |
| 21 | Tokyo Regional Championships 2014 | Tokyo | 2014-10-10 | Referee (Junior ladies, Advanced novice girls, Basic novice B girls)
|
| 22 | JGP Tallinn Cup 2014 | Tallinn | 2014-09-24 | Judge (Junior men, Junior pairs) |
| 23 | 24th Gardena Spring Trophy | Selva Val Gardena | 2014-03-29 | Judge (Senior men, Senior ladies, Advanced novice boys, Advanced novice girls) |
| 24 | Japan Championships 2013 | Saitama | 2013-12-20 | Judge (Senior ladies) |
| 25 | Grand Prix and Junior Grand Prix Final 2013 | Fukuoka | 2013-12-04 | Judge (Senior pairs, Junior pairs) |
| 26 | NHK Trophy 2013 | Tokyo | 2013-11-08 | Judge (Senior men) |
| 27 | Eastern Section Championships 2013 | Gunma | 2013-11-01 | Judge (Senior ladies, Junior men) |
| 28 | Tokyo Regional Championships 2013 | Tokyo | 2013-10-03 | Referee (Senior men, Senior ladies, Advanced novice girls, Basic novice B girls)
|
| 29 | World Championship 2013 | London | 2013-03-11 | Judge (Senior ladies) |
| 30 | Japan Championships 2012 | Sapporo | 2012-12-20 | Judge (Senior ladies) |
| 31 | NRW Trophy 2012 | Dortmund | 2012-12-04 | Judge (Senior ladies, Junior ladies) |
| 32 | 20th Ondrej Nepela Memorial | Bratislava | 2012-10-04 | Judge (Senior men) |
| 33 | JGP İstanbul 2012 | Istanbul | 2012-09-19 | Judge (Junior men) |
| 34 | Four Continents Championships 2012 | Colorado Springs | 2012-02-07 | Judge (Senior ladies) |
| 35 | Japan Championships 2011 | Kadoma | 2011-12-22 | Judge (Senior men) |
| 36 | NHK Trophy 2011 | Sapporo | 2011-11-10 | Judge (Senior ladies) |
| 37 | Eastern Section Championships 2011 | Yamanashi | 2011-11-03 | Judge (Senior men, Junior ladies) |
| 38 | Finlandia Trophy 2011 | Vantaa | 2011-10-07 | Judge (Senior men, Senior ladies) |
| 39 | Japan Championships 2010 | Nagano | 2010-12-24 | Judge (Senior ladies) |
| 40 | NHK Trophy 2010 | Nagoya | 2010-10-21 | Judge (Senior men) |
| 41 | 18th Ondrej Nepela Memorial | Bratislava | 2010-09-30 | Judge (Senior ladies, Senior men) |
| 42 | JGP Cup of Austria 2010 | Graz | 2010-09-16 | Judge (Junior men) |
| 43 | World Junior Championship 2010 | Hague | 2010-03-09 | Judge (Junior ladies) |
| 44 | Japan Championships 2009 | Osaka | 2009-12-25 | Judge (Senior men) |
| 45 | Grand Prix and Junior Grand Prix Final 2009 | Tokyo | 2009-12-02 | Judge (Senior ladies, Junior ladies) |
| 46 | 17th Ondrej Nepela Memorial | Piestany | 2009-11-05 | Judge (Senior ladies, Senior men) |
| 47 | World Team Trophy 2009 | Tokyo | 2009-04-15 | Judge (Senior ladies) |
| 48 | Aegon Challenge Cup | Den Haag | 2009-02-04 | Judge (Junior men, Advanced novice girls, Advanced novice boys, Debs boys) |
| 49 | Japan Championships 2008 | Nagano | 2008-12-25 | Judge (Senior ladies) |
| 50 | NHK Trophy 2008 | Tokyo | 2008-11-27 | Judge (Senior pairs) |
| 51 | Nebelhorn Trophy 2008 | Oberstdorf | 2008-09-25 | Judge (Senior ladies, Senior men) |
| 52 | Four Continents Championships 2008 | Goyang-si | 2008-02-11 | Judge (Senior pairs) |
| 53 | Japan Championships 2007 | Kadoma | 2007-12-26 | Judge (Senior ladies) |
| 54 | NHK Trophy 2007 | Sendai | 2007-11-28 | Judge (Senior ladies) |
| 55 | Four Continents Championships 2007 | Colorado Springs | 2007-02-07 | Judge (Senior men) |
| 56 | Junior Grand Prix Final 2006 | Sofia | 2006-12-07 | Judge (Junior ladies, Junior men) |
| 57 | JGP Mexico Cup 2006 | Mexico City | 2006-09-12 | Judge (Junior men, Junior ladies) |
| 58 | Four Continents Championships 2006 | Colorado Springs | 2006-01-25 | Judge (Senior ladies) |
| 59 | JGP Long Beach 2004 | Long Beach | 2004-09-09 | Judge (Junior ladies, Junior men) |
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