Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8842832 | Method and apparatus for supporting security in muliticast communication | Eunkyung Kim, Sung Cheol Chang, Hyun Lee, Chul Sik Yoon | 2014-09-23 |
| 8824348 | Method for controlling power saving mode in group communication | Sung Cheol Chang, Eunkyung Kim, Hyun Lee, Chul Sik Yoon | 2014-09-02 |
| 8787923 | Device for managing of base station and method for managing thereof | Sung Cheol Chang, Won-Ik Kim, Hyun-Jae Kim, Chul Sik Yoon, Jee-Hwan Ahn | 2014-07-22 |
| 8730832 | Method and terminal for performing direct communication between terminals | Sung Cheol Chang, Eunkyung Kim, Hyun Lee, Won-Ik Kim, Chul Sik Yoon +5 more | 2014-05-20 |
| 8725183 | Device and method for managing base station and terminal | Won-Ik Kim, Jae Sun Cha, Sung Cheol Chang, Kwang Jae Lim, Hyun-Jae Kim +1 more | 2014-05-13 |
| 8718660 | Apparatus for measuring radio environment of base station and method for measuring the same | Sung Cheol Chang, Hyun-Jae Kim, Won-Ik Kim, Chul Sik Yoon, Jee-Hwan Ahn | 2014-05-06 |
| 8717914 | Method for controlling interference | Sung Cheol Chang, Hyun-Jae Kim, Won-Ik Kim, Chul Sik Yoon, Jee-Hwan Ahn | 2014-05-06 |
| 8675600 | Method for transmitting signals | Sung Cheol Chang, Kwang Jae Lim, Hyun-Gu Lee, Chul Sik Yoon | 2014-03-18 |
| 8649334 | Radio resource reallocating method for circuit mode | Sung Cheol Chang, Kwang Jae Lim, Chul Sik Yoon | 2014-02-11 |
| 8644233 | Method of transmitting control information and terminal thereof | Sung Cheol Chang, Kwang Jae Lim, Seok-Heon Cho, Chul Sik Yoon | 2014-02-04 |
| 8559360 | Method and apparatus for controlling power for uplink | Hyun-Jae Kim, Sung Cheol Chang, Won-Ik Kim, Chul Sik Yoon | 2013-10-15 |
| 8522103 | Method and apparatus for controlling retransmission | Kwang Jae Lim, Sung Cheol Chang, Chul Sik Yoon | 2013-08-27 |
| 8503404 | Uplink synchronization request method in mobile communication system, CDMA allocation IE thereof, and apparatus using the same | Kwang Jae Lim, Chul Sik Yoon, Jee-Hwan Ahn | 2013-08-06 |
| 8369862 | Resource allocation and power control method | Hyun-Jae Kim, Sung Cheol Chang, Won-Ik Kim, Chul Sik Yoon, Jee-Hwan Ahn | 2013-02-05 |
| 8301183 | Power control and resource management method of femtocell base station in wideband wireless access system | Chul Sik Yoon | 2012-10-30 |
| 8289889 | Method and device for management of femto base station | Hyun Lee, Won-Ik Kim, Sung-Geun Jin, Chul Sik Yoon, Namgi Kim | 2012-10-16 |
| 8259645 | Method of operating random access channel in mobile communication system | Kwang Jae Lim, Chul Sik Yoon, Jee-Hwan Ahn | 2012-09-04 |
| 8238375 | Method and apparatus for transmitting broadcasting information | Sung Cheol Chang, Kwang Jae Lim, Jae Sun Cha, Chul Sik Yoon | 2012-08-07 |
| 8089862 | HARQ and bandwidth request method in wireless access system | Chul Sik Yoon | 2012-01-03 |
| 7102533 | Automatic meter reading system and method using telephone line | — | 2006-09-05 |
| 6897825 | Antenna apparatus for folder type mobile phone | Kyung-Wook Kim, Jin-Woo Park, Juh-Hyung Lee, Dong-In Ha, Krylov Konstantine +6 more | 2005-05-24 |