Assignee
Inventors
- Goro Iwamura (13 patents)
- Shigeki Matsui (38 patents)
- Ichiro Azuma (20 patents)
- Yoshiaki Marutani (12 patents)
- Hiroyuki Uemura (47 patents)
- Shinji Sasaki (61 patents)
- Kazuhi Koga (11 patents)
US Patent 5705567 · Granted Jan 6, 1998