Assignee
Inventors
- Kazuo Koga (19 patents)
- Kojiro Okada (19 patents)
- Yoshiaki Danno (43 patents)
- Kazuhide Togai (34 patents)
- Osamu Hirako (18 patents)
- Shogo Ohmori (2 patents)
- Daisuke Sanbayashi (7 patents)
- Yoshiaki Kodama (7 patents)
US Patent 5657625 · Granted Aug 19, 1997