Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6971114 | Optical pickup device and recording and/or reproducing device | Hideo Nagasaka | 2005-11-29 |
| 6880163 | Optical pickup device and recording and/or reproducing device | Hideo Nagasaka | 2005-04-12 |