Assignee
Inventors
- Juheiji Kawabata (9 patents)
- Manabu Chiba (4 patents)
- Toshinori Sugie (10 patents)
- Fumihiro Kobata (11 patents)
- Hitoshi Izutsu (7 patents)
- Toshio Inoue (184 patents)
- Takayuki Mine (6 patents)
US Patent 4960841 · Granted Oct 2, 1990