Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8045442 | Optical information recording/ reproducing device and optical information recording/ reproducing method | — | 2011-10-25 |
| 8036092 | Optical head device for detecting an error signal and an optical information recording/reproducing device | — | 2011-10-11 |
| 7948854 | Optical head apparatus and optical information recording/reproducing apparatus | — | 2011-05-24 |