Issued Patents 2011
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8060621 | Method and system for establishing session for message communication between converged IP messaging service client and short messaging service client | Seung Yong Lee, Kyung-Tak Lee, Jae-Kwon Oh, Sang-Kyung Sung | 2011-11-15 |
| 8023979 | Method and system for splitting terminals in push-to-talk over cellular network | Sang-Kyung Sung, Joon-Goo Park | 2011-09-20 |
| 8010616 | Method and system for managing message threads in converged IP messaging service | Kyung-Tak Lee, Sang-Kyung Sung, Jae-Kwon Oh, Seung Yong Lee | 2011-08-30 |
| 7953391 | Method for inclusive authentication and management of service provider, terminal and user identity module, and system and terminal device using the method | Byung-Rae Lee, Sung-Oh Hwang | 2011-05-31 |
| 7925287 | Method and system for requesting and granting PoC user media transmission right | Sung-Jin Park, Sang-Kyung Sung, Ji-Hye Lee | 2011-04-12 |
| 7904103 | Method and system for processing PoC ad-hoc group session information using RTCP connection message | Sang-Kyung Sung, Sung-Jin Park, Ji-Hye Lee | 2011-03-08 |
| 7881731 | Method for providing triggered location information of a target terminal | Joo Young Kim | 2011-02-01 |
| 7869796 | Method and apparatus for managing multimedia messages | Kyung-Tak Lee, Sang-Kyung Sung, Thirumalai Echampadi Seshadri | 2011-01-11 |