| Competition | City | Date | Roles |
|---|
| 1 | Western Section Championships 2020 | Kyoto | 2020-10-30 | Judge (Senior men) |
| 2 | Eastern Section Ice Dance Championships 2020 | Kyoto | 2020-10-30 | Judge (Senior ice dance) |
| 3 | Western Section Championships 2020 | Kyoto | 2020-10-30 | Judge (Senior ice dance 2, Junior ladies, Junior ice dance 2) |
| 4 | Eastern Section Ice Dance Championships 2020 | Kyoto | 2020-10-30 | Judge (Junior ice dance) |
| 5 | Chu-Shikoku-Kyushu Regional Championships 2020 | Okayama | 2020-09-25 | Judge (Senior ladies, Junior ladies, Advanced novice boys) |
| 6 | Japan Championships 2019 | Tokyo | 2019-12-18 | Judge (Senior ladies) |
| 7 | Chu-Shikoku-Kyushu Regional Championships 2019 | Fukuoka | 2019-09-26 | Judge (Senior men, Junior men, Advanced novice girls, Intermediate novice girls, Intermediate novice boys) |
| 8 | Japan Junior Championships 2018 | Fukuoka | 2018-11-23 | Judge (Junior men) |
| 9 | Western Section Championships 2018 | Aichi-ken | 2018-11-01 | Judge (Senior men, Junior ladies) |
| 10 | Western Section Championships 2017 | Fukuoka | 2017-11-02 | Judge (Senior men, Junior ladies) |
| 11 | Japan Junior Championships 2016 | Sapporo | 2016-11-18 | Judge (Junior men) |
| 12 | Japan Junior Championships 2015 | Ibaraki | 2015-11-21 | Judge (Junior men) |
| 13 | Shu-Shikoku-Kyushu Regional Championships 2015 | Okayama | 2015-10-01 | Referee (Junior men, Junior ladies, Advanced novice girls)
|
| 14 | Japan Junior Championships 2014 | Niigata | 2014-11-22 | Judge (Junior ladies) |
| 15 | Shu-Shikoku-Kyushu Regional Championships 2013 | Fukuoka | 2013-10-03 | Judge (Senior ladies, Senior men, Junior men, Advanced novice boys, Basic novice B boys, Basic novice B girls) |
| 16 | Japan Junior Championships 2012 | Nishitōkyō, Tokyo | 2012-11-17 | Judge (Junior ladies) |
| 17 | Shu-Shikoku-Kyushu Regional Championships 2012 | Shimane | 2012-10-11 | Judge (Junior ladies, Basic novice B girls) |
| 18 | Western Section Championships 2011 | Kyoto | 2011-11-03 | Judge (Senior ladies, Junior men) |
| 19 | Shu-Shikoku-Kyushu Regional Championships 2011 | Okayama | 2011-09-30 | Referee (Senior ladies, Senior men, Junior men, Advanced novice girls, Basic novice B girls)
|
| 20 | Japan Championships 2010 | Nagano | 2010-12-24 | Judge (Senior ladies) |
| 21 | Japan Championships 2009 | Osaka | 2009-12-25 | Judge (Senior men) |
| 22 | Japan Championships 2008 | Nagano | 2008-12-25 | Judge (Senior ladies) |
| 23 | Japan Junior Championships 2008 | Nagoya | 2008-11-23 | Judge (Junior men) |
| 24 | Japan Championships 2007 | Kadoma | 2007-12-26 | Judge (Senior ladies) |
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