| Competition | City | Date | Roles |
|---|
| 1 | Japan Junior Championships 2020 | Hachinohe,Aomori | 2020-11-21 | Judge (Junior men) |
| 2 | Chubu Regional Championships 2020 | Nagoya | 2020-09-25 | Judge (Junior ladies, Advanced novice boys, Intermediate novice boys, Intermediate novice girls) |
| 3 | Japan Junior Championships 2019 | Kanagawa | 2019-11-15 | Judge (Junior ladies, Junior ice dance) |
| 4 | Western Section Championships 2019 | Otsu | 2019-11-01 | Judge (Senior men, Senior ice dance) |
| 5 | Eastern Section Ice Dance Championships 2019 | Otsu | 2019-11-01 | Judge (Senior ice dance) |
| 6 | Western Section Championships 2019 | Otsu | 2019-11-01 | Judge (Junior ladies) |
| 7 | Eastern Section Ice Dance Championships 2019 | Otsu | 2019-11-01 | Judge (Junior ice dance) |
| 8 | Western Section Championships 2019 | Otsu | 2019-11-01 | Judge (Junior ice dance) |
| 9 | Chubu Regional Championships 2019 | Nagoya | 2019-09-27 | Judge (Junior ladies, Advanced novice boys, Intermediate novice girls) |
| 10 | Japan Novice Championships 2018 | Osaka | 2018-10-19 | Judge (Advanced novice boys, Advanced novice girls, Novice ice dance) |
| 11 | Chubu Regional Championships 2018 | Nagoya | 2018-09-28 | Judge (Junior ladies, Advanced novice girls, Basic novice B boys) |
| 12 | Japan Novice Championships 2017 | Otsu | 2017-10-20 | Judge (Advanced novice girls, Advanced novice boys) |
| 13 | Chubu Regional Championships 2017 | Aichi | 2017-09-29 | Judge (Junior ladies, Advanced novice girls) |
| 14 | Western Section Championships 2016 | Kyoto | 2016-10-28 | Judge (Senior ladies, Junior men) |
| 15 | Chubu Regional Championships 2016 | Aichi | 2016-09-30 | Judge (Junior ladies, Advanced novice girls) |
| 16 | Japan Junior Championships 2015 | Ibaraki | 2015-11-21 | Judge (Junior men) |
| 17 | Western Section Championships 2015 | Aichi | 2015-10-31 | Judge (Senior men, Junior ladies) |
| 18 | Japan Junior Championships 2014 | Niigata | 2014-11-22 | Judge (Junior men) |
| 19 | Japan Novice Championships 2013 | Ibaraki | 2013-10-25 | Judge (Advanced novice boys, Advanced novice girls) |
| 20 | Japan Novice Championships 2012 | Kyoto | 2012-10-26 | Judge (Advanced novice boys, Advanced novice girls) |
| 21 | Japan Championships 2011 | Kadoma | 2011-12-22 | Judge (Senior ladies) |
| 22 | Japan Junior Championships 2009 | Yokohama | 2009-11-21 | Judge (Junior ladies) |
| 23 | Japan Junior Championships 2008 | Nagoya | 2008-11-23 | Judge (Junior ladies) |
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