National championships (Japan Curling Association records)
5 domestic events (2009–2016).
| Year | Event | Team | Result |
|---|---|---|---|
| 2016 | Japan Curling Championships 2016 | 青森県協会 men | Round robin 1–7 |
| 2014 | Japan Curling Championships 2014 | 青森県協会 men | Round robin 1–7 |
| 2012 | Japan Curling Championships 2012 | 青森県協会 men | Round robin 3–4 |
| 2011 | Japan Curling Championships 2011 | 合浦CC men | Round robin 1–6 |
| 2009 | Japan Curling Championships 2009 | 青森CC men | Round robin 4–4 |
Source: the event pages of the Japan Curling Association (team rosters and results). Matched by name, so a different person with the same name could be mixed in. Elementary and junior high school events are not listed.
Teammates
Players who were on the same Japan team at an international event (World Curling records), on the same team at a domestic event (Japan Curling Association records), or on the same team in a game in the library. Most shared first.
- Hirotada Sugawara菅原博匡 · 5 domestic
- Minoru Kusaka日下稔 · 5 domestic
- Hironobu Miura三浦大延 · 2 domestic
- Naomasa Takeda竹田直将 · 2 domestic