Assignee
Inventors
- Takashi Furuhata (34 patents)
- Yasufumi Yumde (7 patents)
- Fujio Okamura (2 patents)
- Takaharu Noguchi (78 patents)
- Toshifumi Shibuya (10 patents)
- Katsuo Mohri (13 patents)
- Takao Arai (138 patents)
- Toshimichi Terada (7 patents)
US Patent 4843493 · Granted Jun 27, 1989