Assignee
Inventors
- Shingo Matsumura (15 patents)
- Hiroshi Enomoto (36 patents)
- Yoshiaki Aoyagi (20 patents)
- Yoji Ezure (11 patents)
- Yoshiaki Yoshikuni (18 patents)
- Shigeaki Maruo (7 patents)
- Nobutoshi Ojima (7 patents)
- Kiyotaka Konno (3 patents)
US Patent 4363802 · Granted Dec 14, 1982