Assignee
Inventors
- Nobuyuki Zumoto (16 patents)
- Toshinori Yagi (10 patents)
- Yasuhito Myoi (11 patents)
- Yoshie Uchiyama (1 patents)
- Masaaki Tanaka (138 patents)
- Teruo Miyamoto (18 patents)
- Masao Izumo (5 patents)
US Patent 5223693 · Granted Jun 29, 1993