Assignee
Inventors
- Shuzo Fukuda (17 patents)
- Masahiro Abe (162 patents)
- Shiro Fukunaka (8 patents)
- Michio Nakayama (18 patents)
- Koichiro Arima (6 patents)
- Shunichi Sugiyama (14 patents)
- Koji Matsui (50 patents)
US Patent 5000679 · Granted Mar 19, 1991