Assignee
Inventors
- Masahiro Yakabe (3 patents)
- Satoshi Suzuki (578 patents)
- Sadao Degawa (4 patents)
- Shigeki Murayama (11 patents)
- Koichi Ishibashi (21 patents)
- Ikuo Nakashima (10 patents)
- Koji Sakai (146 patents)
US Patent 5622602 · Granted Apr 22, 1997