Assignee
Inventors
- Yuji Hatagishi (78 patents)
- Toshiaki Okabe (111 patents)
- Kentaro Nagai (100 patents)
- Kenji Oishi (49 patents)
- Kazuyuki Shiraki (28 patents)
- Isao Yoneyama (17 patents)
- Goro Takahashi (22 patents)
US Patent 6899449 · Granted May 31, 2005