Assignee
Inventors
- Akihiro Kawasaki (29 patents)
- Tsuyoshi Matsumoto (203 patents)
- Masanobu Taniguchi (4 patents)
- Isao Maruyama (9 patents)
- Masaaki Matsui (12 patents)
- Masao Kaneko (18 patents)
- Akihiko Imai (1 patents)
US Patent 4378455 · Granted Mar 29, 1983