Assignee
Inventors
- Takeshi Morimoto (112 patents)
- Toshiya Matsubara (26 patents)
- Yoshiki Hamatani (7 patents)
- Naoto Iwano (4 patents)
- Hideo Shimizu (121 patents)
- Shigeo Komatsu (10 patents)
- Hidemi Yamada (13 patents)
US Patent 4740869 · Granted Apr 26, 1988