Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8064319 | Objective lens, optical pickup device having the same, and recording and/or reproducing apparatus for optical recording medium, equipped with the optical pickup device | Toshiaki Katsuma, Tetsuya Ori, Yu Kitahara | 2011-11-22 |
| 8009544 | Objective lens, optical pickup device having the same, and recording and/or reproducing apparatus for optical recording medium, equipped with the optical pickup device | Toshiaki Katsuma, Tetsuya Ori, Yu Kitahara | 2011-08-30 |
| 7995290 | Objective lens, optical pickup device, and optical recording/reproducing apparatus | Toshiaki Katsuma, Tetsuya Ori, Yu Kitahara | 2011-08-09 |