Assignee
Inventors
- Tatsuro Ariyama (9 patents)
- Jiro Mase (1 patents)
- Yoshiyuki Kitano (7 patents)
- Sakae Arakawa (1 patents)
- Haruhito Tsuboi (7 patents)
- Shinichi Isozaki (9 patents)
- Hitoshi Kawata (3 patents)
- Genji Kanatani (5 patents)
US Patent 5129630 · Granted Jul 14, 1992