Assignee
No assignee recorded.
Inventors
- Yoshikazu Tanaka (47 patents)
- Toshihiko Ashikari (9 patents)
- Haruyo Hatanaka (8 patents)
- Yuji Shibano (13 patents)
- Teruo Amachi (13 patents)
- Toru Nakayama (104 patents)
- Motoo Sumida (10 patents)
US Patent 5286638 · Granted Feb 15, 1994
No assignee recorded.