Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6775803 | Recording medium for storing real time recording/reproduction information, method and apparatus for recording and reproducing in real time, and file operating method using the same | Hyun-kwon Chung, Jung-wan Ko, Young-yoon Kim, Do-nam Lee | 2004-08-10 |
| 6694023 | Method and apparatus for protecting copyright of digital recording medium and copyright protected digital recording medium | — | 2004-02-17 |