Assignee
Inventors
- Masami Kato (95 patents)
- Tadashi Tanaka (102 patents)
- Satoshi Nakamura (352 patents)
- Tsuneo Higashi (5 patents)
- Hiroshi Fujike (2 patents)
- Katsuaki Makino (7 patents)
- Hiroshi Miyamoto (140 patents)
US Patent 5148857 · Granted Sep 22, 1992