Assignee
Inventors
- Toshiaki Yoshihara (63 patents)
- Tetsuya Makino (61 patents)
- Shinji Tadaki (29 patents)
- Hironori Shiroto (32 patents)
- Yoshinori Kiyota (22 patents)
- Shigeo Kasahara (26 patents)
- Keiichi Betsui (72 patents)
US Patent 7724229 · Granted May 25, 2010