ADVISORS
Advisors & Consultants
All Japan Seishinkai Karate Federation — Advisors
Chairman, Hokkaido Mainichi Culture Association
Hokkaido Prefectural Assembly Member
Hokkaido Prefectural Assembly Member
All Japan Seishinkai Karate Federation — Consultants
Kazuhiro Nomura
Ebetsu City Assembly Member
Hideki Maruyama
Sapporo City Assembly Member
All Japan Seishinkai Karate Federation — Medical Advisors
Kazuhiko Nagao, 3rd Dan
Director, Nagao Naika Cardiovascular Clinic
Ryuichiro Inoue, 7th Dan
Director, Kita 10 Jo Dental Office
Seishinkai Support Association
Roger Co., Ltd.
President
Nabex
Chairman & President
Japan Stylist Association
Chairperson
Seishinkan OB Association
Hikari Construction
President (founding-era member)
Saegusa Pharmaceutical
President (former Fushiko Branch instructor)
ES Office
President (founding-era member)
Saegusa Pharmaceutical Kyushu
President (former Fukuoka Branch Chief)
Seishinkai — Past Support Association Chairmen
| 1 | 1985–present | Yoshihiko Watanabe | Chairman & President, Nabex |
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Seishinkai — Past Support Association Directors
| 1 | 2012–present | Mitsuhiro Ara | President, Roger |
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Headquarters Seishinkan Dojo — Past Deputy Shihan
| 1 | 1985–1985 | Atsushi Nakajima | Headquarters Deputy Shihan |
|---|---|---|---|
| 2 | 1986–1989 | Toshihiro Kayano | Headquarters Deputy Shihan |
| 3 | 1994–1996 | Kazunori Sumiyoshi | Headquarters Deputy Shihan |
| 4 | 1996–1999 | Koichi Sueyoshi | Headquarters Deputy Shihan |
| 5 | 1999–2002 | Toshinobu Inura | Headquarters Deputy Shihan |
| 6 | 2002–2003 | Kazuya Aoki | Headquarters Deputy Shihan |
| 7 | 2004–2005 | Kayoko Mimura | Headquarters Deputy Shihan |
| 8 | 2006–2007 | Kazuaki Namikawa | Headquarters Deputy Shihan |
| 9 | 2008–2010 | Tadayuki Ishimori | Headquarters Deputy Shihan |
| 10 | 2010–2012 | Tsubasa Okubo | Headquarters Deputy Shihan |
| 11 | 2015–2016 | Tsubasa Nimori | Headquarters Deputy Shihan |
| 12 | 2018–2021 | Takushi Muroki | Headquarters Deputy Shihan |
| 13 | 2022–present | Kazuya Shima | Headquarters Deputy Shihan |
| 14 | 2026–present | Fuyuki Shima | Headquarters Deputy Shihan |
| 15 | 2026–present | Saori Okimura | Headquarters Deputy Shihan |
| 16 | 2026–present | Takao Kimura | Headquarters Deputy Shihan |
Headquarters Seishinkan Dojo — Past Shihan (Head Instructors)
| 1 | 2002–2003 | Kazunori Sumiyoshi | Headquarters Chief Shihan |
|---|---|---|---|
| 2 | 2006–2012 | Kayoko Mimura | Headquarters Chief Shihan, Acting Director |
| 3 | 2012–2015 | Tsubasa Okubo | Assistant Director, Headquarters Shihan |
| 4 | 2015–2016 | Tsubasa Nimori | Acting Director |
| 5 | 2016–2026 | Tsubasa Okubo | Headquarters Chief Shihan |
| 6 | 2026–present | Nobutaka Maekawa | Headquarters Shihan |
Seishinkai Seishinkan Dojo — Past OB Association Chairmen
| 1 | 1999–present | Masami Koyano | 1st Chairman |
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Headquarters Seishinkan Okubo Dojo — Past Directors
| 1 | 1986–2012 | Katsumi Okubo | 1st Director & Founder |
|---|---|---|---|
| 2 | 2012–2015 | Kayoko Mimura | 2nd Director |
| 3 | 2016–2020 | Tsubasa Nimori | 3rd Director |
| 4 | 2020–present | Tsubasa Okubo | 4th Director |
