Assignee
Inventors
- Hideo Sawada (40 patents)
- Keiji Komoto (39 patents)
- Masahiro Sano (33 patents)
- Yutaka Enokida (2 patents)
- Motohiro Mitani (7 patents)
- Takeo Matsumoto (33 patents)
- Masaharu Nakayama (26 patents)
- Masato Okajima (1 patents)
US Patent 5324803 · Granted Jun 28, 1994