Assignee
No assignee recorded.
Inventors
- Naoyuki Amaya (7 patents)
- Keizo Anan (3 patents)
- Yoshishige Murata (12 patents)
- Takao Mogami (12 patents)
- Yoshio Sano (35 patents)
- Unknown
- Unknown
US Patent 4948854 · Granted Aug 14, 1990
No assignee recorded.