Assignee
Inventors
- Yasushi Hara (69 patents)
- Keiichi Murakami (106 patents)
- Hiroshi Yamada (563 patents)
- Hideyuki Motoyama (27 patents)
- Hirokazu Aritake (64 patents)
- Toshiaki Yoshihara (63 patents)
- Shinji Tadaki (29 patents)
US Patent 6885360 · Granted Apr 26, 2005