Assignee
Inventors
- Yoshiyasu Fujitani (11 patents)
- Hideaki Muraki (23 patents)
- Shiroh Kondoh (22 patents)
- Makoto Tomita (49 patents)
- Kouji Yokota (11 patents)
- Hideo Sobukawa (26 patents)
- Tamotsu Nakamura (21 patents)
US Patent 4316822 · Granted Feb 23, 1982