Assignee
Inventors
- Minoru Tsuruta (16 patents)
- Shiro Bito (17 patents)
- Shuichi Kimura (41 patents)
- Seiji Kuramoto (13 patents)
- Tsuyoshi Tsukagoshi (16 patents)
- Akio Nakata (11 patents)
- Toshihiko Suzuta (21 patents)
US Patent 5582611 · Granted Dec 10, 1996