Assignee
Inventors
- Hisashi Ohtsuki (59 patents)
- Takayuki Norimatsu (64 patents)
- Eiji Funahashi (3 patents)
- Koji Kametaka (8 patents)
- Motoharu Niki (22 patents)
- Katsumi Sugiyama (17 patents)
- Kenro Adachi (16 patents)
US Patent 6979001 · Granted Dec 27, 2005