Assignee
Inventors
- Kazutoshi Kuroda (2 patents)
- Hiroshi Kase (37 patents)
- Katsuhiko Ando (33 patents)
- Isao Kawamoto (42 patents)
- Toru Yasuzawa (14 patents)
- Hiroshi Sano (30 patents)
- Joji Goto (5 patents)
- Koji Yamada (47 patents)
US Patent 5223637 · Granted Jun 29, 1993