Assignee
Inventors
- Mamoru Usami (29 patents)
- Kazushi Tanaka (46 patents)
- Yukio Kaneko (38 patents)
- Naoyuki Echigo (5 patents)
- Hiroshi Tominaga (50 patents)
- Akihiko Kizaki (4 patents)
- Kunihiko Ozaki (8 patents)
US Patent 7348555 · Granted Mar 25, 2008