Assignee
Inventors
- Norio Masaie (9 patents)
- Tomoyuki Tachibana (3 patents)
- Hiroyuki Shimizu (120 patents)
- Kazuhiko Ito (100 patents)
- Akira Matsuguchi (5 patents)
- Yoshikazu Sasa (2 patents)
- Atsushi Furuya (14 patents)
US Patent 5672287 · Granted Sep 30, 1997