Assignee
Inventors
- Atsuhiro Sumiya (11 patents)
- Eturo Yasuda (43 patents)
- Hitoshi Shindo (44 patents)
- Unknown
- Takashi Yamamoto (694 patents)
- Toshiatsu Nagaya (21 patents)
- Kumi Sawaguchi (2 patents)
- Ryoji Kai (1 patents)
US Patent 7272876 · Granted Sep 25, 2007