Assignee
Inventors
- Kazuhiro Watanabe (294 patents)
- Kenichi Hayakawa (21 patents)
- Hiroshi Ishikawa (263 patents)
- Yasushi Hara (69 patents)
- Kiyoto Matsui (25 patents)
- Kenji Kawabe (17 patents)
- Takaki Shimura (43 patents)
US Patent 5174296 · Granted Dec 29, 1992