Assignee
Inventors
- Itsuo Takanashi (121 patents)
- Takashi Yamamura (55 patents)
- Shintaro Nakagaki (122 patents)
- Toshikatsu Ichito (4 patents)
- Atsushi Nakano (80 patents)
- Tadayuki Shimada (9 patents)
- Toshio Konno (39 patents)
US Patent 5087929 · Granted Feb 11, 1992