Assignee
Inventors
- Syunzo Inoue (1 patents)
- Toshio Arai (41 patents)
- Takeshi Nagasawa (17 patents)
- Motofumi Konishi (15 patents)
- Hitoshi Yanagawa (9 patents)
- Toshio Iwaya (14 patents)
- Michio Kasuya (11 patents)
US Patent 4405227 · Granted Sep 20, 1983