Assignee
Inventors
- Yoshimi Shiroto (24 patents)
- Mitsunori Shimura (12 patents)
- Kenji Shimokawa (18 patents)
- Yoshio Fukui (15 patents)
- Yakudo Tachibana (9 patents)
- Kazuhiko Tate (6 patents)
- Hiroaki Taniguchi (29 patents)
US Patent 4992622 · Granted Feb 12, 1991