| Competition | City | Date | Roles |
|---|
| 1 | Japan Junior Championships 2023 | Otsu | 2023-11-11 | Judge (Junior ice dance) |
| 2 | Japan Novice Championships 2023 | Tokyo | 2023-10-20 | Judge (Advanced novice boys, Intermediate novice girls) |
| 3 | Japan Junior Championships 2022 | Ibaraki | 2022-11-25 | Judge (Junior ladies, Junior ice dance) |
| 4 | Japan Novice Championships 2022 | Sapporo | 2022-10-21 | Judge (Advanced novice boys, Intermediate novice girls, Novice ice dance) |
| 5 | Japan Junior Championships 2021 | Nagoya | 2021-11-19 | Judge (Junior ladies) |
| 6 | Japan Novice Championships 2021 | Otsu, Shiga | 2021-10-24 | Specialist (Advanced novice boys)
Assistant (Intermediate novice girls)
|
| 7 | Japan Junior Championships 2020 | Hachinohe,Aomori | 2020-11-21 | Judge (Junior ladies) |
| 8 | Kinki Regional Championships 2020 | Osaka | 2020-10-02 | Specialist (Senior men, Advanced novice girls)
Assistant (Junior ladies)
|
| 9 | Japan Novice Championships 2019 | Nishitokyo | 2019-10-18 | Judge (Advanced novice girls, Intermediate novice boys, Novice ice dance) |
| 10 | Japan Junior Championships 2018 | Fukuoka | 2018-11-23 | Judge (Junior men, Junior ice dance) |
| 11 | Japan Junior Championships 2017 | Gunma | 2017-11-24 | Judge (Junior men) |
| 12 | Japan Junior Championships 2016 | Sapporo | 2016-11-18 | Judge (Junior men) |
| 13 | Japan Junior Championships 2015 | Ibaraki | 2015-11-21 | Judge (Junior men) |
| 14 | Japan Junior Championships 2014 | Niigata | 2014-11-22 | Judge (Junior men) |
| 15 | Kinki Regional Championships 2014 | Osaka | 2014-10-10 | Specialist (Senior ladies)
Assistant (Senior men, Junior men, Basic novice B girls)
|
| 16 | Japan Junior Championships 2013 | Nagoya | 2013-11-22 | Judge (Junior men) |
| 17 | Japan Novice Championships 2011 | Tokyo | 2011-10-28 | Specialist (Basic novice B girls)
Assistant (Basic novice B boys)
|
| 18 | Japan Junior Championships 2010 | Hitachinaka | 2010-11-26 | Judge (Junior men) |
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