Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10151753 | Microfluidic devices for isolating particles | Hakho Lee, Ralph Weissleder, Kyungheon Lee | 2018-12-11 |
| 9997773 | Negative active material for rechargeable lithium battery, method for preparing same, and rechargeable lithium battery comprising same | Ju Ho Chung, Eun Kyung Kim, Sang-Wook Woo, Sung Bin Park, Ye Ri Kim | 2018-06-12 |
| 9749814 | Method and apparatus for reducing delay in wireless communication system supporting broadcast service | Dae-Joong Kim | 2017-08-29 |
| 8656480 | Method for negotiating security-related functions of subscriber station in wireless portable internet system | Seok-Heon Cho, Tae Yong Lee, Sun Hwa Lim, Chul Sik Yoon, Ji-Cheol Lee +1 more | 2014-02-18 |
| 8621577 | Method for performing multiple pre-shared key based authentication at once and system for executing the method | Jin-Hyeock Choi, Emin Yegin Alper, Ji-Cheol Lee | 2013-12-31 |
| 8180348 | System and method for fast network reentry in a broadband wireless access communication system | Seung-ll Yoon, Tae Ho Kim, Hong-Sung Chang, Tae Won Kim, Yong Chang | 2012-05-15 |
| 7945265 | System and method for fast network re-entry in a broadband wireless access communication system | Seung-il YOON, Tae Ho Kim, Hong-Sung Chang, Tae Won Kim, Yong Chang | 2011-05-17 |
| 7904714 | Apparatus and method for ciphering/deciphering a signal in a communication system | Ji-Cheol Lee, Geun-Hwi Lim | 2011-03-08 |
| 7724904 | Authentication system and method thereof in a communication system | Ji-Cheol Lee | 2010-05-25 |
| 7672670 | Method and system for providing status information for Broadcast/Multicast Service in a mobile communication system | Jung-Soo Jung, Beom-Sik Bae, Dae-Gyun Kim, Yong Chang, Nae-Hyun Lim | 2010-03-02 |
| 7536176 | Method and system for providing a broadcast/multicast service in a wireless communication system | Beom-Sik Bae, Dae-Gyun Kim, Jung-Soo Jung, Yong Chang, Nae-Hyun Lim | 2009-05-19 |
| 7436813 | Method and system for acquiring time synchronization between base stations in a broadband wireless access communication system | Jun-Hyung Kim, Geun-Hwi Lim, Hong-Sung Chang, Yong Chang | 2008-10-14 |
| 7349359 | System and method for synchronizing broadcast/multicast service content frames in a mobile communication system | Yong Chang, Nae-Hyun Lim, Dae-Gyun Kim, Ji-Hae Yi, Beom-Sik Bae | 2008-03-25 |
| 7302264 | System and method for fast network re-entry in a broadband wireless access communication system | Seung-il YOON, Tae Ho Kim, Hong-Sung Chang, Tae Won Kim, Yong Chang | 2007-11-27 |
| 7099655 | Method for providing broadcast service in a CDMA mobile communication system | Yong Chang, Nae-Hyun Lim | 2006-08-29 |
| 7039039 | QoS support method in a high-rate packet data system | Dong-Jo Cheong, Yong Chang, Nae-Hyun Lim | 2006-05-02 |