Assignee
Inventors
- Hiroyuki Ushio (4 patents)
- Seigo Ishibuchi (10 patents)
- Youichiro Naito (17 patents)
- Naoki Sugiyama (4 patents)
- Takafumi Kawaguchi (3 patents)
- Kenji Chiba (16 patents)
- Makio Ohtsuki (2 patents)
- Yoichi Naka (7 patents)
US Patent 7015218 · Granted Mar 21, 2006