Assignee
Inventors
- Satoshi Itoh (70 patents)
- Motohiro Yamaguchi (23 patents)
- Yoshitaka Tomatsu (27 patents)
- Toshio Hirata (11 patents)
- Yasushi Yamanaka (91 patents)
- Keita Honda (19 patents)
- Kunio Iritani (47 patents)
US Patent 6725679 · Granted Apr 27, 2004