Assignee
Inventors
- Masatoshi Ban (3 patents)
- Kenji Miura (11 patents)
- Yutaka Baba (10 patents)
- Noriyuki Iwata (3 patents)
- Akira Fukui (1 patents)
- Mikio Hori (8 patents)
- Hajime Fujimura (15 patents)
- Eiichi Suenaga (1 patents)
US Patent 4435392 · Granted Mar 6, 1984