Assignee
Inventors
- Osamu Hiroi (16 patents)
- Hisatoshi Fukumoto (18 patents)
- Shoji Yoshioka (23 patents)
- Hideo Maeda (43 patents)
- Hiroaki Urushibata (31 patents)
- Hironori Kuriki (10 patents)
- Takashi Nishimura (202 patents)
US Patent 7534517 · Granted May 19, 2009