Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6950384 | Optical pickup appratus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method | Norikazu Arai, Toshiyuki Kojima, Kohei Ota, Shinichiro Saito | 2005-09-27 |
| 6870805 | Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method | Norikazu Arai, Toshiyuki Kojima, Kohei Ota, Shinichiro Saito | 2005-03-22 |