Assignee
Inventors
- Hiroyuki Wada (113 patents)
- Takashi Kawabata (119 patents)
- Koichi Ohmori (13 patents)
- Shigeru Ogino (46 patents)
- Hideyuki Arai (63 patents)
- Masaki Higashihara (29 patents)
- Katsumi Azusawa (8 patents)
US Patent 5523811 · Granted Jun 4, 1996