Assignee
Inventors
- Hiroshi Komatsuzaki (28 patents)
- Kazuo Kamata (61 patents)
- Akio Ohmiya (11 patents)
- Syunji Nishimura (18 patents)
- Yoshihito Umeda (4 patents)
- Noriya Mochizuki (2 patents)
- Eiji Furuya (2 patents)
US Patent 4958179 · Granted Sep 18, 1990