Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8955141 | Method of digital rights management about a compressed file | Young Sik Ryu, Jong Il Lee | 2015-02-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8955141 | Method of digital rights management about a compressed file | Young Sik Ryu, Jong Il Lee | 2015-02-10 |