Assignee
Inventors
- Yoshiaki Kuroki (6 patents)
- Hitoshi Ueno (3 patents)
- Tetsushi Katsube (12 patents)
- Tetsuo Kawaguchi (4 patents)
- Eiji Okanari (7 patents)
- Ichiro Tanaka (2 patents)
- Masayuki Tanaka (14 patents)
- Masahiko Hagihara (29 patents)
US Patent 7309718 · Granted Dec 18, 2007