Assignee
Inventors
- Shigekazu Minechika (11 patents)
- Hideaki Yano (36 patents)
- Keiji Nagata (23 patents)
- Yoshihiro Aoi (1 patents)
- Ichizo Sakamoto (2 patents)
- Kenji Asano (85 patents)
- Tadashi Okajima (11 patents)
US Patent 7187631 · Granted Mar 6, 2007