Assignee
Inventors
- Hiroshi Hasegawa (10 patents)
- Kazuo Isomae (8 patents)
- Takeshi Kotsugai (6 patents)
- Noriaki Shioiri (8 patents)
- Kumiko Sekine (3 patents)
- Naokata Taido (10 patents)
- Susumu Sato (56 patents)
- Tadayuki Kuraishi (21 patents)
US Patent 5300517 · Granted Apr 5, 1994