Assignee
Inventors
- Yoshikuni Toyama (10 patents)
- Kazuo Kagiura (13 patents)
- Hiroyoshi Maruyama (26 patents)
- Tatsuya Shiratori (34 patents)
- Masashi Ohashi (22 patents)
- Masanari Shirai (16 patents)
- Eiichi Ando (29 patents)
US Patent 5023658 · Granted Jun 11, 1991