Assignee
Inventors
- Nobuo Onuma (15 patents)
- Masao Kato (211 patents)
- Yoshiro Udagawa (27 patents)
- Kenji Takahashi (603 patents)
- Kenji Kyuma (39 patents)
- Futoshi Sasaki (17 patents)
- Ryuichi Kobayashi (46 patents)
US Patent 7719707 · Granted May 18, 2010