Assignee
Inventors
- Hideki Morishima (67 patents)
- Kiyonobu Endo (22 patents)
- Susumu Matsumura (65 patents)
- Hiroaki Hoshi (40 patents)
- Koyo Hasegawa (20 patents)
- Masakuni Yamamoto (49 patents)
- Eiji Yamaguchi (53 patents)
- Ichiro Iida (20 patents)
US Patent 5668872 · Granted Sep 16, 1997