National championships (Japan Curling Association records)
11 domestic events (1995–2010).
| Year | Event | Team | Result |
|---|---|---|---|
| 2010 | Japan Curling Championships 2010 | SIS men | Round robin 2–6 |
| 2008 | Japan Curling Championships 2008 | SIS men | Round robin 4–4 |
| 2007 | Japan Curling Championships 2007 | SIS men | Round robin 2–6 |
| 2006 | Japan Curling Championships 2006 | SIS men | Round robin 3–5 |
| 2002 | Japan Curling Championships 2002 | SIS Dreams men | Round robin 2–6 |
| 2001 | Japan Curling Championships 2001 | SIS Dreams men | Round robin 3–5 |
| 2000 | Japan Curling Championships 2000 | SIS Dreams men | Round robin 1–7 |
| 1999 | Japan Curling Championships 1999 | SIS Dreams men | Round robin 5–4 |
| 1998 | Japan Curling Championships 1998 | SIS Dreams men | Round robin 2–5 |
| 1997 | Japan Curling Championships 1997 | SIS Dreams men | Round robin 1–5-1 |
| 1995 | Japan Curling Championships 1995 | SIS Dreams men | Round robin 1–5-1 |
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.
- Shojiro Sasaki佐々木正二郎 · 11 domestic
- Goro Matsuno松野五郎 · 11 domestic
- Wataru Takemoto竹本亘 · 10 domestic
- Osamu Yoshikawa吉川治 · 7 domestic