Assignee
Inventors
- Masanori Sugihara (25 patents)
- Atsushi Kurosawa (37 patents)
- Akihiko Okamoto (35 patents)
- Akira Bessho (10 patents)
- Kouji Shimoda (5 patents)
- Kenji Okuda (18 patents)
- Haruo Kama (7 patents)
- Kazuo Kobayashi (293 patents)
US Patent 4700338 · Granted Oct 13, 1987