Issued Patents All Time
Showing 1–25 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10397788 | Multimedia message service method and system | Kyung-Tak Lee, Joon-Goo Park, Thirumalai Echampadi Seshadri | 2019-08-27 |
| 10313843 | Call processing system and method based on answer mode of push to talk over cellular user | Joon-Goo Park, Sung-Jin Park | 2019-06-04 |
| 10117102 | Multimedia message service method and system | Kyung-Tak Lee, Joon-Goo Park, Thirumalai Echampadi Seshadri | 2018-10-30 |
| RE46800 | Method and apparatus for selecting a location platform for a user equipment to roam and method for determining a location of a user equipment using the same | Wuk Kim, Joo Young Kim, Joon-Goo Park | 2018-04-17 |
| 9930531 | Multimedia message service method and system | Kyung-Tak Lee, Joon-Goo Park, Thirumalai Echampadi Seshadri | 2018-03-27 |
| 9681275 | Method and system for providing media stored in a PoC box in a PoC system | Sung-Jin Park, Wuk Kim, Ji-Hye Lee | 2017-06-13 |
| 9344862 | System and method for providing converged messaging service | Kyung-Tak Lee, Wuk Kim, Jae-Kwon Oh, Seung Yong Lee | 2016-05-17 |
| 9282101 | Multimedia message service method and system | Kyung-Tak Lee, Joon-Goo Park, Thirumalai Echampadi Seshadri | 2016-03-08 |
| 9270771 | System and method for performing a delegation operation | Jae-Kwon Oh, Wuk Kim | 2016-02-23 |
| 9264467 | Method, user equipment, and system for opening an ad-hoc PoC session in a PoC system | Wuk Kim, Sung-Jin Park, Ji-Hye Lee | 2016-02-16 |
| 9172731 | Call processing system and method based on answer mode of push to talk over cellular user | Joon-Goo Park, Sung-Jin Park | 2015-10-27 |
| RE45671 | 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, Wuk Kim | 2015-09-15 |
| 9071944 | Method and system for providing media stored in a PoC box in a PoC system | Sung-Jin Park, Wuk Kim, Ji-Hye Lee | 2015-06-30 |
| 9071660 | System and method for PoC session substitution | Thirumalai Echampadi Seshadri, Venkateswar Jeedigunta, Sung-Jin Park | 2015-06-30 |
| RE45545 | Method for locating mobile terminals | Wuk Kim, Joo Young Kim, Joon-Goo Park, Jong-Hoon Ahn | 2015-06-02 |
| 8825027 | Method, user equipment and system for providing simultaneous PoC multimedia services session by session | Ji-Hye Lee, Sung-Jin Park | 2014-09-02 |
| 8812042 | Method and system for interrupted floor recovery in push-to-talk over cellular network | Thirumalai Echampadi Seshadri, Venkateswar Jeedigunta, Hoskote Satyajeet, Sung-Jin Park | 2014-08-19 |
| 8787881 | Multimedia message service method and system | Kyung-Tak Lee, Joon-Goo Park, Thirumalai Echampadi Seshadri | 2014-07-22 |
| RE44861 | Method and system for requesting and granting PoC user media transmission right | Sung-Jin Park, Ji-Hye Lee, Wuk Kim | 2014-04-22 |
| 8611276 | Method and system for providing media stored in a PoC box in a PoC system | Sung-Jin Park, Wuk Kim, Ji-Hye Lee | 2013-12-17 |
| 8583158 | Method and system for session participation through chat PoC group invitation reservation in PoC system | Ji-Hye Lee, Wuk Kim, Hyeon-Cheol Pu | 2013-11-12 |
| 8543719 | System and method for managing XDM service information | Jae-Kwon Oh, Wuk Kim | 2013-09-24 |
| 8483722 | Method and apparatus for selecting a location platform for a user equipment to roam and method for determining a location of a user equipment using the same | Wuk Kim, Joo Young Kim, Joon-Goo Park | 2013-07-09 |
| 8463298 | Method and apparatus for selecting a location platform for a user equipment to roam and method for determining a location of a user equipment using the same | Wuk Kim, Joo Young Kim, Joon-Goo Park | 2013-06-11 |
| 8437791 | Method and system for controlling talk time for PoC user | Sung-Jin Park, Joon-Goo Park | 2013-05-07 |