Assignee
Inventors
- Katsuhiko Machida (2 patents)
- Sadayori Hoshina (6 patents)
- Takashi Ushida (4 patents)
- Junichiro Arai (13 patents)
- Hideo Katayama (12 patents)
- Chiaki Okumura (4 patents)
- Yoshihisa Amano (17 patents)
US Patent 7198906 · Granted Apr 3, 2007