Assignee
Inventors
- Kiyoshi Yokomori (12 patents)
- Yoshinobu Nakayama (8 patents)
- Shigeyoshi Misawa (15 patents)
- Tami Isobe (13 patents)
- Syunsuke Fujita (4 patents)
- Hiroyoshi Funato (39 patents)
- Magane Aoki (34 patents)
US Patent 5119452 · Granted Jun 2, 1992