Assignee
Inventors
- Kozaburo Ichida (6 patents)
- Susumu Yamaguchi (55 patents)
- Bunichiro Chikazawa (3 patents)
- Hironobu Hayashi (1 patents)
- Teruo Matsushita (3 patents)
- Akinobu Yoshiura (1 patents)
- Shinobu Sanematsu (1 patents)
US Patent 4771626 · Granted Sep 20, 1988