Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7995437 | Optical pick up and optical disc apparatus | — | 2011-08-09 |
| 7986595 | Optical pickup and optical device for three different types of optical discs | Yoshito Asoma, Kazuyuki Takahashi | 2011-07-26 |
| 7986605 | Optical pickup and optical disc apparatus using the same | — | 2011-07-26 |
| 7924684 | Object lens, optical pickup, and optical disc device | Yoshito Asoma, Toshifumi Yasui, Kazuyuki Takahashi | 2011-04-12 |
| 7907498 | Optical pickup and optical disk drive using same | Takeshi Tanimoto | 2011-03-15 |