| 2023: | Shoji Hashimoto, Jun'ichi Yokoyama, Takeo Moroi, Shinji Mukohyama, Masaru Shibata, Tadashi Takayanagi (Chair) |
|---|---|
| 2022: | Katsushi Ito, Shoji Hashimoto, Jun'ichi Yokoyama, Kunihito Ioka, Shigeki Sugimoto (Chair), Shinji Mukohyama |
| 2021: | Hiroshi Suzuki, Takeo Moroi, Jiro Soda, Shinji Mukohyama, Shigeki Sugimoto (Chair), Akira Ohnishi |
| 2020: | Kunihito Ioka, Hiroshi Suzuki, Jiro Soda, Tadashi Takayanagi (Chair), Takahiro Tanaka, Mihoko Nojiri |
| 2019: | Kunihito Ioka, Hiroshi Suzuki (Chair), Jiro Soda, Tadashi Takayanagi, Takahiro Tanaka, Mihoko Nojiri |
| 2018: | Kunihito Ioka, Akihiro Ishibashi, Nobuyuki Ishibashi, Yoshio Kikukawa, Daijiro Suematsu, Takahiro Tanaka (Chair) |
| 2017: | Kunihito Ioka, Nobuyuki Ishibashi (Chair), Yoshio Kikukawa, Tetsuya Shiromizu, Daijiro Suematsu, Shigeki Sugimoto, Takahiro Tanaka |
| 2016: | Tetsuya Shiromizu, Shigeki Sugimoto, Shin'ichi Nojiri, Shinji Mukohyama, Jun'ichi Yokoyama, Sinya Aoki (Chair) |
| 2015: | Akihiro Ishibashi, Mitsuhiro Kato, Jiro Soda, Tadashi Takayanagi, Takahiro Tanaka, Sinya Aoki (Chair) |
| 2014: | Hideo Kodama, Shigeki Sugimoto, Masaru Shibata,Tadashi Takayanagi, Shin'ichi Nojiri, Takahiro Tanaka (Chair) |
| 2013: | Hideo Kodama, Shigeki Sugimoto, Masaru Shibata, Tadashi Takayanagi, Takahiro Tanaka, Taichi Kugo (Chair) |
| 2012: | Hideo Kodama, Shigeki Sugimoto, Masaru Shibata, Tadashi Takayanagi, Takahiro Tanaka, Tohru Eguchi (Chair) |
| 2011: | Mitsuhiro Kato, Jun'ichi Yokoyama, Shigeki Sugimoto, Tohru Eguchi, Masaru Shibata, Misao Sasaki (Chair) |
| 2010: | Hiroshi Itoyama, Shin Mineshige, Masaharu Tanabashi, Jun'ichi Yokoyama, Takahiro Tanaka, Taichi Kugo (Chair) |
| 2009: | Masanori Ohkawa, Yoshihisa Kitazawa, Yasushi Suto, Taichi Kugo, Misao Sasaki, Takahiro Tanaka (Chair) |
| 2008: | Naoshi Sugiyama, Yoshihisa Kitazawa, Tohru Eguchi, Misao Sasaki, Taichi Kugo (Chair) |
| 2007: | Naoshi Sugiyama, Yoshihisa Kitazawa, Tohru Eguchi, Taichi Kugo, Misao Sasaki (Chair) |