Assignee
No assignee recorded.
Inventors
- Akihiro Ginnaga (4 patents)
- Shin Sakuma (3 patents)
- Tsukasa Nishihara (8 patents)
- Unknown
- Sadao Susumi (4 patents)
- Tetsuo Kawahara (7 patents)
- Hiroshi Mizokami (18 patents)
US Patent 4563303 · Granted Jan 7, 1986
No assignee recorded.