| Competition | City | Date | Roles |
|---|
| 1 | Eastern Section Ice Dance Championships 2019 | Otsu | 2019-11-01 | Judge (Senior ice dance, Junior ice dance) |
| 2 | Western Section Championships 2019 | Otsu | 2019-11-01 | Judge (Senior men, Senior ice dance, Junior ladies, Junior ice dance) |
| 3 | Chu-Shikoku-Kyushu Regional Championships 2019 | Fukuoka | 2019-09-26 | Judge (Senior men, Junior men, Advanced novice girls, Intermediate novice boys, Intermediate novice girls) |
| 4 | Japan Junior Championships 2018 | Fukuoka | 2018-11-23 | Judge (Junior men, Junior ice dance) |
| 5 | Chu-Shikoku-Kyushu Regional Championships 2018 | Miki Town | 2018-09-21 | Judge (Senior ladies, Junior ladies, Advanced novice boys) |
| 6 | Japan Novice Championships 2017 | Otsu | 2017-10-20 | Judge (Advanced novice girls, Advanced novice boys) |
| 7 | Shu-Shikoku-Kyushu Regional Championships 2016 | Okayama | 2016-09-23 | Judge (Senior men, Junior men, Advanced novice girls, Basic novice B boys, Basic novice B girls) |
| 8 | Japan Novice Championships 2015 | Tokyo | 2015-10-23 | Judge (Basic novice B girls, Basic novice B boys) |
| 9 | Japan Novice Championships 2014 | Osaka | 2014-10-24 | Judge (Basic novice B boys, Basic novice B girls) |
| 10 | Japan Junior Championships 2013 | Nagoya | 2013-11-22 | Judge (Junior men) |
| 11 | Japan Junior Championships 2012 | Nishitōkyō, Tokyo | 2012-11-17 | Judge (Junior men) |
| 12 | Western Section Championships 2012 | Fukuoka | 2012-11-01 | Judge (Senior men, Junior ladies) |
| 13 | Japan Junior Championships 2011 | Hachinohe | 2011-11-25 | Judge (Junior ladies) |
| 14 | Japan Championships 2010 | Nagano | 2010-12-24 | Judge (Senior men) |
| 15 | Japan Junior Championships 2009 | Yokohama | 2009-11-21 | Judge (Junior men) |
| 16 | Japan Junior Championships 2008 | Nagoya | 2008-11-23 | Judge (Junior ladies) |
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