Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12308500 | Fuel cell system | Pu Reum Jeong, Hyo Sub Shim, In Tae Park, Dong-Yeon Kim, Hyeon Seok Ban +1 more | 2025-05-20 |
| 8964640 | Hybrid beaconing method | Gwangzeen Ko, Moon-Won Lee, Sung Hyun Hwang, Jung Sun UM, Myung Sun Song +1 more | 2015-02-24 |
| 8780940 | Method and apparatus for compressing frame | Gwangzeen Ko, Moon-Won Lee, Jung Sun UM, Myung Sun Song | 2014-07-15 |
| 8711724 | Method and apparatus for managing backup channel in multi-channel environment | Jin Suk PAK, Gwang Zeen KO, Byung Jang Jeong | 2014-04-29 |
| 8682257 | Method and apparatus for detecting heterogeneous communication system | Gwang Zeen KO, Jin Suk PAK, Sung Hyun Hwang, Sang Won Kim, Jung Sun UM | 2014-03-25 |
| 8661143 | Reserving resources in centralized network by scanning superframes equal to or greater than maximum number of superframes allowed without listening to beacon period | Moon-Won Lee, Gwangzeen Ko, Myung Sun Song, Chang-Joo Kim | 2014-02-25 |
| 8619699 | Channel switching apparatus and method of a base station and channel switching apparatus and method of a terminal based on the cognitive radio system | Gwangzeen Ko, Myung Sun Song, Sung Hyun Hwang, Jung Sun UM, Chang-Joo Kim | 2013-12-31 |
| 8600418 | Relay station for cell information exchange between adjacent BSs over air links in cellular systems | Gwangzeen Ko, Chang-Joo Kim, Myung Sun Song, Sung Hyun Hwang, Jung Sun UM | 2013-12-03 |
| 7664210 | Non-coherent synchronous direct-conversion receiving apparatus for compensating frequency offset | Young Jun CHONG, Min Soo Kang, Tae-Jin Chung | 2010-02-16 |