Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9131424 | Method and apparatus for releasing user equipment context in wireless communication system | Jian Xu, Kyung Min Park, Jin Sook Ryu, Sung Hoon Jung | 2015-09-08 |
| 9125118 | Method and apparatus for performing access control in wireless communication system | Jian Xu, Sung Hoon Jung, Young Dae Lee, Seung June Yi | 2015-09-01 |
| 9125213 | Method and apparatus for verifying release of LIPA PDN connection in wireless communication system | Jian Xu, Jin Sook Ryu, Kyung Min Park | 2015-09-01 |
| 9031039 | Method and apparatus for performing handover procedure in wireless communication system | Jian Xu, Seung June Yi, Young Dae Lee | 2015-05-12 |
| 9014714 | Method of providing location privacy | Ki Seon Ryu, Yong Ho Kim | 2015-04-21 |
| 8826011 | Method of encrypting control signaling | Ki Seon Ryu | 2014-09-02 |
| 8743832 | Method for performing uncontrolled handover | In Uk Jung, Yong Ho Kim, Ki Seon Ryu | 2014-06-03 |
| 8738903 | Method for identifying mobile station | Ki Seon Ryu | 2014-05-27 |
| 8738913 | Method of deriving and updating traffic encryption key | Ki Seon Ryu | 2014-05-27 |
| 8731194 | Method of establishing security association in inter-rat handover | Ae Ran Youn, Sung Woong Ha, Gi Won Park | 2014-05-20 |
| 8676198 | Method of supporting location privacy | Ki Seon Ryu | 2014-03-18 |
| 8666408 | Method of supporting location privacy | Ki Seon Ryu | 2014-03-04 |
| 8582771 | Method for selectively encrypting control signal | Eun Jong Lee, Yong Ho Kim, Ki Seon Ryu | 2013-11-12 |
| 8549293 | Method of establishing fast security association for handover between heterogeneous radio access networks | Yong Ho Kim, Ki Seon Ryu | 2013-10-01 |
| 8538025 | Security performance negotiation method and a TEK management method | In Uk Jung, Ki Seon Ryu | 2013-09-17 |
| 8514810 | Method for performing band handover in broadband wireless access system and mobile station supporting the same | Ae Ran Youn, Sung Woong Ha, Gi Won Park | 2013-08-20 |
| 8503394 | Method of fast uplink data transmission for handover | Jin Won Lee, Yong Ho Kim, Gi Won Park, Ae Ran Youn, Sung Woong Ha | 2013-08-06 |
| 8417219 | Pre-authentication method for inter-rat handover | — | 2013-04-09 |
| 8411619 | Method of packet reordering and packet retransmission | Jin Won Lee, Yong Ho Kim, Gi Won Park, Ae Ran Youn, Sung Woong Ha | 2013-04-02 |
| 8259678 | Method for performing uncontrolled handover | In Uk Jung, Yong Ho Kim, Ki Seon Ryu | 2012-09-04 |
| 8249555 | Method for performing initial ranging in wireless communication system | Yong Ho Kim, Ki Seon Ryu | 2012-08-21 |
| 8208429 | Method for performing initial ranging in wireless communication system | Yong Ho Kim, Ki Seon Ryu | 2012-06-26 |
| 8199720 | Method for handover between heterogenous radio access networks | Ae Ran Youn, Sung Woong Ha, Gi Won Park | 2012-06-12 |
| 8180326 | Method of supporting location privacy | Ki Seon Ryu | 2012-05-15 |
| 8170049 | Method of random access and a method of transporting information in broadband wireless access system | Yong Ho Kim, Ki Seon Ryu | 2012-05-01 |