Assignee
Inventors
- Yoshihiro Hakamada (4 patents)
- Kazuhisa Sawada (11 patents)
- Keiji Endo (68 patents)
- Hiroshi Kodama (67 patents)
- Yasunao Wada (3 patents)
- Shitsu Shikata (1 patents)
- Tohru Kobayashi (104 patents)
US Patent 7033981 · Granted Apr 25, 2006