Board of directors
| 
 Chairman  | 
 Hideo Shojaku  | 
| 
 Directors  | 
 Mitsuhiro Aoki,   Takao Imai, Shin-ichi Iwasaki, Atsuhiko Uno,  | 
| 
 Auditors  | 
 Kazuo Ishikawa, Koichiro Shigeno  | 
| 
 Advisers  | 
 Nobuhiko Furuya, Ken Kitamura, Izumi Koizuka, Mamoru Suzuki, Noriaki Takeda, Yukio Watanabe, Masahiko Yamamoto  | 
| 
 Secretaries  | 
 Hideaki Ogita, Hiromasa Takakura  |