Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7961583 | 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 | 2011-06-14 |
| 7924681 | 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 | 2011-04-12 |
| 7889617 | 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 | 2011-02-15 |