Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9042544 | Apparatus and method for generating secret key using change in wireless channel on wireless communication network | Sang-Kyung Yoo, Seok Ryu, Sang Han Lee, Jang Hong Yoon | 2015-05-26 |
| 8976962 | Apparatus and method for generating group key using status of wireless channel | Sang-Kyung Yoo, Seok Ryu, Sang Han Lee | 2015-03-10 |
| 8812675 | Method for multi-point cooperation considering delay in a wireless communication system | Hyun Ho Choi, Jong Bu Lim, Byoung-Hoon Jung, Dan Keun Sung, Kab Seok Ko +1 more | 2014-08-19 |
| 8391227 | Communication system and method for single-point transmission and reception and coordinated multi-point transmission and reception | Hyun Ho Choi, Dan Keun Sung, Byoung-Hoon Jung, Kab Seok Ko, Ji Young Cha | 2013-03-05 |