Assignee
Inventors
- Kenshi Saeki (6 patents)
- Takao Ogino (46 patents)
- Noriaki Yoshitake (8 patents)
- Takumi Honda (19 patents)
- Akira Nishihara (18 patents)
- Hiroshi Okita (16 patents)
- Yukio Tsuge (8 patents)
- Haruo Iizuka (2 patents)
US Patent 4959277 · Granted Sep 25, 1990