Assignee
Inventors
- Yasuhiko Igawa (3 patents)
- Jun Jimbo (3 patents)
- Hidetoshi Tanaka (73 patents)
- Shoichi Kikuchi (25 patents)
- Takao Harada (53 patents)
- Osamu Tsuchiya (83 patents)
- Shuzo Ito (23 patents)
- Isao Kobayashi (181 patents)
US Patent 7438730 · Granted Oct 21, 2008