| Competition | City | Date | Roles |
|---|
| 1 | Western Section Championships 2018 | Aichi-ken | 2018-11-01 | Judge (Senior ladies, Junior men) |
| 2 | Western Section Championships 2017 | Fukuoka | 2017-11-02 | Judge (Senior ladies, Junior men) |
| 3 | Japan Novice Championships 2017 | Otsu | 2017-10-20 | Controller (Advanced novice girls, Advanced novice boys)
|
| 4 | Kinki Regional Championships 2017 | Osaka | 2017-10-06 | Referee (Senior ladies, Senior men, Junior men, Advanced novice boys, Basic novice B boys)
|
| 5 | NHK Trophy 2016 | Sapporo | 2016-11-25 | Judge (Senior ladies) |
| 6 | Japan Junior Championships 2016 | Sapporo | 2016-11-18 | Controller (Junior men)
|
| 7 | Western Section Championships 2016 | Kyoto | 2016-10-28 | Specialist (Junior men)
Assistant (Senior ladies)
|
| 8 | Japan Novice Championships 2016 | Osaka | 2016-10-21 | Referee (Advanced novice boys, Advanced novice girls)
|
| 9 | JGP Yokohama 2016 | Yokohama | 2016-09-08 | Judge (Junior men) |
| 10 | Japan Championships 2015 | Hokkaido | 2015-12-24 | Judge (Senior ladies) |
| 11 | Japan Junior Championships 2015 | Ibaraki | 2015-11-21 | Assistant (Junior ladies)
|
| 12 | Western Section Championships 2015 | Aichi | 2015-10-31 | Controller (Senior ladies, Junior men)
|
| 13 | Kinki Regional Championships 2015 | Otsu | 2015-10-09 | Referee (Junior ladies, Advanced novice girls, Basic novice B girls, Basic novice B boys)
|
| 14 | Kinoshita Group Cup Japan Open 2015 | Saitama | 2015-10-03 | Judge (Senior ladies, Senior men) |
| 15 | Japan Championships 2014 | Nagano | 2014-12-25 | Judge (Senior men) |
| 16 | Western Section Championships 2014 | Fukuoka | 2014-10-31 | Specialist (Senior men)
Assistant (Junior ladies)
|
| 17 | Kinki Regional Championships 2014 | Osaka | 2014-10-10 | Referee (Senior men, Senior ladies, Junior men, Basic novice B girls)
|
| 18 | Japan Junior Championships 2013 | Nagoya | 2013-11-22 | Controller (Junior men)
|
| 19 | Western Section Championships 2013 | Kyoto | 2013-11-01 | Controller (Senior men, Junior ladies)
|
| 20 | Tokyo Regional Championships 2013 | Tokyo | 2013-10-03 | Specialist (Junior men, Advanced novice boys, Basic novice B boys)
Assistant (Junior ladies)
|
| 21 | Japan Junior Championships 2012 | Nishitōkyō, Tokyo | 2012-11-17 | Controller (Junior ladies)
|
| 22 | Western Section Championships 2012 | Fukuoka | 2012-11-01 | Specialist (Junior men)
Assistant (Senior ladies)
|
| 23 | Japan Novice Championships 2012 | Kyoto | 2012-10-26 | Judge (Advanced novice girls, Advanced novice boys) |
| 24 | Kinki Regional Championships 2012 | Shiga | 2012-10-05 | Controller (Senior ladies, Junior men, Advanced novice boys, Basic novice B boys, Basic novice B girls)
|
| 25 | Japan Junior Championships 2011 | Hachinohe | 2011-11-25 | Controller (Junior men)
|
| 26 | Western Section Championships 2011 | Kyoto | 2011-11-03 | Controller (Senior ladies, Junior men)
|
| 27 | Japan Novice Championships 2011 | Tokyo | 2011-10-28 | Judge (Basic novice B boys, Basic novice B girls) |
| 28 | Shu-Shikoku-Kyushu Regional Championships 2011 | Okayama | 2011-09-30 | Controller (Junior ladies, Advanced novice boys, Basic novice B boys)
|
| 29 | Japan Junior Championships 2009 | Yokohama | 2009-11-21 | Controller (Junior men)
|
| 30 | Japan Championships 2007 | Kadoma | 2007-12-26 | Assistant (Senior ladies)
|
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