Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7986609 | Optical recording medium | Hun Seo | 2011-07-26 |
| 7864643 | Apparatus and method for testing mechanical endurance of surface of optical disc, the optical disc of same kind as the tested optical disc | Hun Seo, Jin Hong Kim, Jin Yong Kim | 2011-01-04 |