Assignee
Inventors
- Eiji Kanada (24 patents)
- Yasuo Tsubai (29 patents)
- Akira Tanaka (394 patents)
- Toshiro Kondo (51 patents)
- Yoshikazu Takaya (12 patents)
- Masahiko Saikawa (10 patents)
- Hiroshi Nishinoiri (11 patents)
US Patent 4784933 · Granted Nov 15, 1988