Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8040779 | Optical pickup device and optical disc device | Kenji Nagatomi | 2011-10-18 |
| 8023387 | Optical pickup device | Kenji Nagatomi | 2011-09-20 |
| 7990835 | Optical pickup apparatus, focal-point adjusting method, and optical disc apparatus | Kenji Nagatomi, Seiichiro Takahashi | 2011-08-02 |
| 7990836 | Optical pickup apparatus, focal-point adjusting method, and optical disc apparatus | Kenji Nagatomi | 2011-08-02 |
| 7916612 | Optical pickup apparatus and focal-point adjusting method | Kenji Nagatomi | 2011-03-29 |
| 7876648 | Optical pick-up capable of eliminating stray beams | Kazushi Mori, Naoyuki Takagi | 2011-01-25 |