Assignee
Inventors
- Eisaku Mizufune (4 patents)
- Kenichi Natsui (6 patents)
- Yukio Kurosawa (48 patents)
- Goro Daimon (8 patents)
- Yoshihito Asai (7 patents)
- Katsuichi Kashimura (6 patents)
- Osamu Koyanagi (19 patents)
- Kogi Ishikawa (4 patents)
US Patent 5610381 · Granted Mar 11, 1997