Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7990833 | Optical pickup device with diffraction patterns on object lens | Tae-youn Heor, Soo-han Park | 2011-08-02 |
| 7930465 | Determining operation mode for semiconductor memory device | Seok-Il Kim, Byung-Se So, Seung-Jin Seo | 2011-04-19 |