Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6937554 | Optical pickup apparatus having an improved holographic unit, and optical disk drive including the same | — | 2005-08-30 |
| 6876621 | Optical apparatus for recording/reproducing and reading/reproducing data on an optical recording medium, and method for using same | Hiroyoshi Funato | 2005-04-05 |