Assignee
Inventors
- Kiyotaka Furuno (1 patents)
- Hidetoshi Tanigaki (4 patents)
- Kouji Yano (2 patents)
- Tadashi Ozaki (29 patents)
- Yoshihisa Fukuda (12 patents)
- Takumi Fujikawa (21 patents)
- Makoto Tanaka (258 patents)
US Patent 4894661 · Granted Jan 16, 1990