Assignee
Inventors
- Motoo Yamaguchi (13 patents)
- Isamu Sone (2 patents)
- Kunio Hirasawa (15 patents)
- Yoshio Yoshioka (7 patents)
- Akio Nishikawa (12 patents)
- Hiroshi Suzuki (826 patents)
- Mikio Sato (68 patents)
- Masao Hosokawa (8 patents)
US Patent 4562322 · Granted Dec 31, 1985