Assignee
Inventors
- Muneo Aoyagi (17 patents)
- Kazuhiro Takanashi (6 patents)
- Hiroyuki Araki (11 patents)
- Moriyasu Murata (18 patents)
- Kohshiro Sotoya (27 patents)
- Nobuyuki Ogura (11 patents)
- Masaaki Yamamura (28 patents)
US Patent 5059344 · Granted Oct 22, 1991