| Adviser group |
| Seiichi Togawa、Hiroshi Hoshina、Hiromi Hirano、Takeo Yamamoto |
|
| Chairman |
| Kenji Akamatsu |
|
| Direcor |
| Toshiro Ozawa |
|
|
| Vice Director |
| Syuichi Ishida、Masahide Baba、Yo Goto |
|
| Supervisor |
| Tomoaki Shibukawa、Masaaki Nishimura |
|
| Board members |
| Minoru Otaki、Jotaro Tsuga、Tomoo Motozu、 Mineo Sugiki、Toru Miura、Kazunori Momose、Yushi Ishiwata、Akira Aoki、Ikuzo Yoshinari |
| Mineo Sugiki、Toru Miura、Kazunori Momose、Yushi Ishiwata、Akira Aoki、Ikuzo Yoshinari、Katsumi Hagiya、Hitoshi Sekiguchi、Hiroyuki Kayo、Shintaro Fukumoto |
| Hiroshi Koshikawa、Masato Sato |
| Eiji Suzuki、Soichi Konagawa、Toshio Mashima、Masamichi Amano、Naoya Takayama、Toru Minakuchi |
| YAMAHA & Co.Inc、Buffet Crampon Co、Nonaka Trading Co |
| Parl Gakki Corp、ONGAKU NO TOMO SHA,CORP、BRAIN CO.LTD、Komaki Music inc etc. |
| 2007.05 |