◆ Board of director (All members are part-timer except senior managing director)
Term of service 2006〜2008 (rev May, 2007)
| Title | Name | Company |
| Chairman | Takao Miyatani | YUTAKA SEIMITSU KOGYO Ltd. |
| Vice chairman | Yoshikazu Abe | IWASA TECH CO., LTD. |
| Vice chairman | Kouji Yoshioka | OSAKA SEIMITSU KIKAI Co., Ltd. |
| Vice chairman | Yoshiyuki Imura | NAGOYA GEAR Co., Ltd. |
| Senior managing director | Koichi Ogami | YUTAKA SEIMITSU KOGYO Ltd. |
| Managing director | Mitsuo Endo | Unitech Corporation |
| Managing director | Hiroshi Houzumi | HOUZUMI GEAR CO., LTD. |
| Managing director | Shuji Tanaka | OGIC Co., Ltd. |
| Managing director | Takaharu Zinno | NIPPON GEAR CO., LTD. |
| Managing director | Yukimasa Arai | SEISA Gear, Ltd. |
| Managing director | Kazuhisa Nagata | KYOUIKU GEAR MFG, CO., LTD. |
| Managing director | Kazuhiko Yano | KANZAKI KOKYUKOKI MFG. CO., LTD |
| Managing director | Hitoshi Nakamura | NAKAMURA GEAR & MACHINERY CORP. |
| Managing director | Hisakazu Fukuda | OKUBO GEAR CO., LTD. |
| Director | Shigenori Inasaka | INASAKA GEAR MANUFACTURING CO., LTD. |
| Director | Koji Muto | HAMAI CO., LTD. |
| Director | Akira Matsumoto | MATSUMOTO PRECISION Gear Co., Ltd. |
| Director | Youichi Oishi | NAKANISHI GEAR CO., LTD. |
| Director | Kaoru Fujimoto | Kyowa Manufacturing Co., Ltd. |
| Director | Keizaburo Iwasaki | Onagigawa Gear Co., Ltd. |
| Director | Yasuaki Takeuchi | Nihon Jet Co., Ltd. |
| Director | Yoshikazu Tsui | Daiwa Gear Mfg. Co., Ltd. |
| Director | Junji Makimura | MAKISHINKO Co., LTD. |
| Director | Sadao Ito | Sumitomo Heavy Industries, Ltd. |
| Director | Yukihiro Hayashi | NAGATA TEKKO CO., LTD. |
| Director | Ryuichi Nomura | SANWA KOUKI CO., LTD. |
| Director | Hiroyuki Izui | Hanshin Engineering Co., Ltd. |
| Director | Masanori Okamoto | Okatsune Gears Manufacturing Co., LTD. |
| Director | Akio Kodama | Hachiryu Gear Mfg Co., Ltd. |
| Director | Yoshiharu Kikuchi | Kikuchi gear Co., Ltd. |
| Director | Toshinobu Matsunami | Gifu Gear Manufacturing Co., Ltd. |
| Director | Masakazu Hashizume | Seimitsu Haken Industry Co., Ltd. |
| Director | Nobuyoshi Hagiwara | Kyowa Haguruma Seisakusyo Co., Ltd. |
| Director | Toshiharu Kohara | Kohara gear Industry Co., Ltd. |
| Auditor | Souichiro Asano | ASANO GEAR CO., LTD. |
| Auditor | Tsutomu Yatsugi | Miyako Precision Gear Co., Ltd. |
| Auditor | Atsuko Matsuno | Certified public accountant |