Assignee
Inventors
- Reiziro Ishida (2 patents)
- Shoichi Inoue (11 patents)
- Masao Ariga (12 patents)
- Katsumi Yoshida (1 patents)
- Yoshimi Tsuya (1 patents)
- Yasuyuki Odaira (1 patents)
- Hisashi Ebina (2 patents)
- Shigetoshi Inoue (2 patents)
US Patent 4863552 · Granted Sep 5, 1989