Assignee
Inventors
- Michio Yanadori (15 patents)
- Yuji Hosoda (24 patents)
- Isao Nakajima (69 patents)
- Kenichi Igarashi (5 patents)
- Makoto Kurosawa (24 patents)
- Kensei Hosoya (7 patents)
- Tsuneki Kobayashi (17 patents)
US Patent 4438692 · Granted Mar 27, 1984