Assignee
Inventors
- Kiichiro Sakashita (22 patents)
- Toshiaki Nakahara (41 patents)
- Hirohide Tanikawa (71 patents)
- Naoki Matsushige (3 patents)
- Satoshi Yoshida (250 patents)
- Masatsugu Fujiwara (13 patents)
- Yasuo Mitsuhashi (42 patents)
US Patent 5014089 · Granted May 7, 1991