Assignee
Inventors
- Fumiyasu Sato (1 patents)
- Atsushi Tsubaki (5 patents)
- Hiroshi Hokari (5 patents)
- Nobuyuki Tanaka (30 patents)
- Masaru Saito (6 patents)
- Kenji Akahane (11 patents)
- Michihiro Kobayashi (5 patents)
US Patent 5202335 · Granted Apr 13, 1993