Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671775 | Spare area management method of optical recording medium | Yong Cheol Park | 2003-12-30 |
| 6564293 | Spare area management method of optical recording medium | Yong Cheol Park | 2003-05-13 |
| 6560179 | Recording and reproducing apparatus having copy-protection function and method thereof | Sang On Park | 2003-05-06 |