| Method and system for establishing session for message communication between converged IP messaging service client and short messaging service client SY Lee, KT Lee, JK Oh, SK Sung, W Kim US Patent 8,060,621, 2011 | 128 | 2011 |
| System and method for providing location information of a terminal JK Oh, W Kim, JY Kim US Patent 8,275,894, 2012 | 60 | 2012 |
| System and method for providing handover of a mobile IP terminal in a wireless network KJ Suh, YJ Park, JK Oh, EH Bae, HW Lee, SY Lee, YJ Suh, WJ Kim, ... US Patent 7,548,525, 2009 | 49 | 2009 |
| Method and system for managing message threads in converged ip messaging service KT Lee, SK Sung, W Kim, JK Oh, SY Lee US Patent App. 11/939,159, 2008 | 38 | 2008 |
| Roaming service method in a mobile broadcasting system, and system thereof SO Hwang, JH Lee, KH Lee, BR Lee, JK Oh, BS Jung, JY Lee US Patent 8,055,258, 2011 | 36 | 2011 |
| System and method for providing converged messaging service SK Sung, KT Lee, W Kim, JK Oh, SY Lee US Patent 9,344,862, 2016 | 29 | 2016 |
| System and method for providing a presence service JK Oh, W Kim, SK Sung US Patent 7,676,548, 2010 | 27 | 2010 |
| Method and apparatus for transmitting service guide source in a mobile broadcast system SO Hwang, KH Lee, BR Lee, JK Oh, BS Jung, JH Lee, JY Lee US Patent App. 11/593,646, 2007 | 26 | 2007 |
| Apparatus, method and system for device management of mobile communication terminal JE Keum, W Kim, JK Oh, KT Lee, HY Jun US Patent 8,457,623, 2013 | 25 | 2013 |
| Method for delivering service guide source for generation of service guide in a mobile broadcast system, and method and system for delivering notification event/notification … SO Hwang, JK Oh, KH Lee, BR Lee, JY Lee, BS Jung, JH Lee US Patent 8,626,055, 2014 | 23 | 2014 |
| Method and system for discovering a mobility anchor point and managing mobility of a mobile node in a network system supporting mobile IP YJ Park, KJ Suh, JK Oh, EH Bae, HW Lee US Patent App. 10/967,904, 2005 | 19 | 2005 |
| System and method for managing XDM service information JK Oh, W Kim, SK Sung US Patent 8,543,719, 2013 | 17 | 2013 |
| System and method for managing user preference profile JK Oh, PB Jayawant US Patent 9,077,584, 2015 | 13 | 2015 |
| System and method for providing location information JY Kim, JK Oh, W Kim US Patent 8,228,881, 2012 | 13 | 2012 |
| System and method for controlling SIP-specific event notification according to preference of subscriber JK Oh, W Kim US Patent 9,553,940, 2017 | 12 | 2017 |
| Method and system for interworking converged messaging service SJ Park, KT Lee, SY Lee, JK Oh, JH Lee, W Kim US Patent 8,626,850, 2014 | 11 | 2014 |
| System and method for presence notification based on presence attribute JK Oh, MM Patil US Patent 8,849,986, 2014 | 10 | 2014 |
| System and method for presence subscription delegation JK Oh US Patent 8,301,729, 2012 | 10 | 2012 |
| XDM system and method for implementing XML document management function by using position description of XML document JK Oh, W Kim US Patent 8,230,003, 2012 | 10 | 2012 |
| Apparatus and method for making call connection when parties try to sumultaneously call each other SG Kim, JK Oh, CH Ha US Patent App. 11/501,908, 2007 | 10 | 2007 |
