Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8005758 | Encryption/decryption method and apparatus for controlling content use based on license information | Sun-nam Lee, Myung-Sun Kim, Young-sun Yoon, Jae-heung Lee, Bong-seon Kim +1 more | 2011-08-23 |
| 7987361 | Method of copying and decrypting encrypted digital data and apparatus therefor | Hee-chul Han, Yun-sang Kim, Yang-lim Choi, Yong-kuk You | 2011-07-26 |
| 7874004 | Method of copying and reproducing data from storage medium | Yun-sang Kim, Yang-lim Choi, Yong-kuk You, Hee-chul Han | 2011-01-18 |