Assignee
Inventors
- Takehiko Kitamori (31 patents)
- Takashi Nishi (51 patents)
- Tetsuo Fukasawa (9 patents)
- Haruo Fujimori (8 patents)
- Akira Sasahira (4 patents)
- Yoshihiro Ozawa (14 patents)
- Kazumichi Suzuki (8 patents)
- Hideo Yusa (18 patents)
US Patent 4774026 · Granted Sep 27, 1988