Assignee
Inventors
- Manabu Yokomori (3 patents)
- Takeshi Niwa (9 patents)
- Kazuhiko Totsuka (6 patents)
- Yoshio Kawahara (25 patents)
- Shigeru Nakamori (30 patents)
- Nobuyoshi Esaki (7 patents)
- Kenji Soda (12 patents)
US Patent 5362636 · Granted Nov 8, 1994