Assignee
Inventors
- Akio Suzuki (233 patents)
- Mitsuo Akiyama (19 patents)
- Hideo Uzuhashi (8 patents)
- Izumi Ochiai (15 patents)
- Hitoshi Yamashita (14 patents)
- Youji Sekine (2 patents)
- Katsuo Matsui (1 patents)
- Syuji Tomita (2 patents)
US Patent 4509354 · Granted Apr 9, 1985