Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6347144 | Copy prevention method and apparatus for digital video system | — | 2002-02-12 |
| 6341112 | Multi-rate optical disc recording and reproducing apparatus | Jin Tae Ro, Dong Cheol Kang, Jae-Hyoung Lee, Kang Soo Seo | 2002-01-22 |