Assignee
Inventors
- Masahiro Shindo (29 patents)
- Toshikazu Yoshimizu (9 patents)
- Kenichi Kurihara (31 patents)
- Shunpei Tamaki (3 patents)
- Toshio Kawakami (6 patents)
- Yukio Kadowaki (28 patents)
- Shoji Matsumoto (40 patents)
US Patent 5048179 · Granted Sep 17, 1991