Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9856120 | Transportation device and transportation system using same | Tae Han Kim, Jong Won Yoon | 2018-01-02 |
| 9204390 | Energy-saving mobile node control method using wireless multi-interfaces | Seng Kyoun Jo, Il Gu Jung, Hyun Woo Lee, Won Ryu | 2015-12-01 |
| 8953559 | Method and apparatus for supporting network-based flow mobility | Sung-Kuen Lee, Youn-hee Han, Hyun Woo Lee, Won Ryu | 2015-02-10 |
| 8817791 | Apparatus and method for virtualizing multiple terminals | Sung-Kuen Lee, Seng Kyoun Jo, Il Gu Jung, Hyun Woo Lee, Won Ryu | 2014-08-26 |
| 8774130 | Access point, L2 switch and method of supporting multicast handover using the access point and L2 switch | Il Gu Jung, Eun Jun Rhee, Sang-Kyoun Jo, Sung-Kuen Lee, Kyeong-Seob Cho +2 more | 2014-07-08 |
| 8018899 | Handoff system and method between different kinds of devices, SIP server and operational method of SIP server | Se-Jong Oh, Jeong-Ho Bang, Myung-cul Kim | 2011-09-13 |
| 7924786 | Handoff system and method among heterogeneous networks and mobile terminal employing the same | Se-Jong Oh, Jong Ho Bang, Myung-Chul Kim | 2011-04-12 |
| 7678504 | Lithium secondary battery and a method for preparing the same | Jin Young Lee | 2010-03-16 |
| 7226701 | Polymer electrolyte with effective leakage resistance and lithium battery using the same | Ki-Ho Kim | 2007-06-05 |
| 7223501 | Polymer electrolyte and lithium battery employing the same | Cheol-Soo Jung, Ki-Ho Kim, Eui-Hwan Song, Doo Kyung Yang, Yong-beom Lee +3 more | 2007-05-29 |
| 7058017 | Method for guaranteeing seamless quality of service in wireless internet | Yu Sik Hahm, Myung-Chul Kim | 2006-06-06 |
| 6933080 | Polymer electrolyte, preparation method for the same and lithium battery using the same | Ki-Ho Kim | 2005-08-23 |
| 6833219 | Polymer electrolytes and lithium secondary battery containing the same | Yong-boom Lee, Chool-soo Jung | 2004-12-21 |