Assignee
Inventors
- Hideo Sotokawa (13 patents)
- Masashi Nishiki (11 patents)
- Eiji Matsuzaki (34 patents)
- Hidetaka Shigi (18 patents)
- Toshio Terouchi (1 patents)
- Mamoru Ogihara (5 patents)
- Haruhiko Matsuyama (17 patents)
- Minoru Tanaka (171 patents)
US Patent 5868949 · Granted Feb 9, 1999