Assignee
Inventors
- Michiharu Nishii (76 patents)
- Genji Mizuno (12 patents)
- Yoshihiko Tada (7 patents)
- Yoshihisa Nomura (73 patents)
- Masahiko Kato (174 patents)
- Kenji Shirai (40 patents)
- Junichi Tanoue (9 patents)
US Patent 5052182 · Granted Oct 1, 1991