Assignee
Inventors
- Hideo Sawada (40 patents)
- Motohiro Mitani (7 patents)
- Masaharu Nakayama (26 patents)
- Yoshii Morishita (36 patents)
- Mitsuo Katayose (24 patents)
- Tadashi Okamoto (2 patents)
- Nobuyuki Hayashi (142 patents)
US Patent 5378589 · Granted Jan 3, 1995