| Competition | City | Date | Roles |
|---|
| 1 | Eastern Section Championships 2023 | Hachinohe | 2023-11-02 | Judge (Senior men, Senior pairs, Junior ladies, Junior pairs) |
| 2 | Tohoku-Hokkaido Regional Championships 2021 | Sapporo | 2021-10-01 | Judge (Senior ladies, Senior men, Junior men, Intermediate novice boys, Intermediate novice girls) |
| 3 | Eastern Section Championships 2020 | Kofu | 2020-11-06 | Judge (Senior ladies, Junior men) |
| 4 | Tohoku-Hokkaido Regional Championships 2020 | Niigata | 2020-10-10 | Judge (Senior ladies, Senior men, Junior men, Advanced novice boys, Advanced novice girls, Intermediate novice girls) |
| 5 | Tohoku-Hokkaido Regional Championships 2019 | Hachinohe Aomori | 2019-09-20 | Judge (Junior ladies, Advanced novice girls, Advanced novice boys) |
| 6 | Eastern Section Championships 2018 | Hachinohe | 2018-10-25 | Judge (Senior men, Junior ladies) |
| 7 | Eastern Section Championships 2017 | Yamanashi | 2017-10-26 | Judge (Senior men, Junior ladies) |
| 8 | Japan Junior Championships 2016 | Sapporo | 2016-11-18 | Judge (Junior ladies) |
| 9 | Eastern Section Championships 2016 | Nishitokyo | 2016-11-04 | Judge (Senior men, Junior ladies) |
| 10 | Eastern Section Championships 2015 | Gunma | 2015-10-29 | Judge (Senior ladies, Junior men) |
| 11 | Eastern Section Championships 2014 | Chiba | 2014-10-30 | Judge (Senior ladies, Junior men) |
| 12 | Eastern Section Championships 2013 | Gunma | 2013-11-01 | Judge (Senior ladies, Junior men) |
| 13 | Eastern Section Championships 2012 | Chiba | 2012-11-01 | Judge (Senior ladies, Junior men) |
| 14 | Kanto Regional Championships 2012 | Yamanashi | 2012-09-27 | Judge (Junior ladies, Basic novice B girls) |
| 15 | Eastern Section Championships 2011 | Yamanashi | 2011-11-03 | Judge (Senior ladies, Junior men) |
| 16 | Kanto Regional Championships 2011 | Gunma | 2011-10-14 | Judge (Senior ladies, Senior men, Junior men, Advanced novice boys, Advanced novice girls, Basic novice B boys) |
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