Issued Patents 2011
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081754 | Key update method and apparatus thereof | Mi Suk Huh, Dae-youb Kim | 2011-12-20 |
| 8055896 | Tag generation method in broadcast encryption system | Weon-il Jin, Maeng-hee Sung, Dae-youb Kim | 2011-11-08 |
| 8054975 | Method and system for managing key of home device in broadcast encryption (BE) system | Dae-youb Kim, Maeng-hee Sung, Weon-il Jin | 2011-11-08 |
| 8005225 | Hierarchical threshold tree-based broadcast encryption method | Dae-youb Kim, Sung-joon Park, Weon-il Jin, Dong Hoon Lee | 2011-08-23 |
| 7999840 | Method for performing video communication service and mobile communication terminal therefor | Min Hong Park, Soo-Young Nam, Chae-Whan Lim, Jeong Hoon Kim | 2011-08-16 |
| 7945247 | Device and method for using history menu on mobile terminal | Han Soek Nam, Bong-Kyun Kim | 2011-05-17 |
| 7942335 | Radio frequency system and password management method in radio frequency system | Dae-youb Kim, Maeng-hee Sung, Weon-il Jin | 2011-05-17 |
| 7929705 | Method of managing user key for broadcast encryption | Dae-youb Kim, Weon-il Jin, Sung-joon Park, Jung Hee Cheon, Myung Hwan Kim +2 more | 2011-04-19 |
| 7903868 | Video fingerprinting apparatus in frequency domain and method using the same | Mi Suk Huh, Dae-youb Kim, Won-hyung Lee, Kil Sang Yoo | 2011-03-08 |