Assignee
Inventors
- Hiroshi Kikuchi (274 patents)
- Makio Watanabe (6 patents)
- Shinichiro Imabayashi (3 patents)
- Reiko Yano (1 patents)
- Isamu Tanaka (20 patents)
- Hitoshi Oka (35 patents)
- Yukihiro Taniguchi (1 patents)
- Shigeru Fujita (113 patents)
US Patent 5268255 · Granted Dec 7, 1993