Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8072850 | Optical information recording apparatus | Kunikazu Ohnishi, Nobuyuki Maeda, Takahiro Kurokawa, Takeshi Shimano | 2011-12-06 |
| 8031565 | Optical pickup and optical information reproduction system | — | 2011-10-04 |
| 8004956 | Optical disc drive, optical pickup and optical component used therefor | Katsuhiko Izumi | 2011-08-23 |
| 7889625 | Optical pickup and optical disk driving apparatus using the same | Koichi Hirose | 2011-02-15 |