Assignee
Inventors
- Shin-ichi Kaiho (3 patents)
- Koji Mizuno (5 patents)
- Shun-ichi Hata (12 patents)
- Masuo Koizumi (7 patents)
- Masamitsu Honda (4 patents)
- Yasushi Murakami (25 patents)
- Shigeru Takanashi (5 patents)
- Minoru Shindo (13 patents)
US Patent 4507309 · Granted Mar 26, 1985