Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081550 | Optical pickup device | Kazuyoshi Yamazaki | 2011-12-20 |
| 8072850 | Optical information recording apparatus | Fumio Isshiki, Nobuyuki Maeda, Takahiro Kurokawa, Takeshi Shimano | 2011-12-06 |
| 7965594 | Optical pickup and optical disc apparatus | Toshiteru Nakamura, Shigeharu Kimura, Toshio Sugiyama | 2011-06-21 |
| 7936658 | Photodetector, diffraction grating, optical pickup and optical disc apparatus | Tomoto Kawamura, Masayuki Inoue, Katsuhiko Izumi | 2011-05-03 |
| 7911915 | Optical pickup and optical information recording apparatus using the same | Tomoto Kawamura, Masayuki Inoue | 2011-03-22 |