Assignee
Inventors
- Toyoji Shimizu (5 patents)
- Shinichi Nishiyama (39 patents)
- Nobuyuki Doi (3 patents)
- Shoichi Miyakoshi (7 patents)
- Tooru Yamanaka (13 patents)
- Katsuo Taniguchi (14 patents)
- Hideo Hama (18 patents)
US Patent 5356561 · Granted Oct 18, 1994