Assignee
Inventors
- Masao Kato (211 patents)
- Futoshi Sasaki (17 patents)
- Ryuichi Kobayashi (46 patents)
- Nobuo Onuma (15 patents)
- Ruriko Mikami (26 patents)
- Akinori Horiuchi (16 patents)
- Yoshiro Udagawa (27 patents)
- Kenji Takahashi (603 patents)
US Patent 7990555 · Granted Aug 2, 2011