Issued Patents All Time
Showing 26–50 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8386215 | Method and apparatus for radio propagation modeling using ray-tracing method | Jong Ho Kim, Young Keun Yoon, Heon Jin Hong | 2013-02-26 |
| 8373611 | Probe and antenna using waveguide | Soon-Soo Oh, Jung Ick MOON, Joung-Myoun Kim, Soon-Ik Jeon | 2013-02-12 |
| 8326336 | Apparatus and method for communication in cognitive radio network | Jung Sun UM, Myung Sun Song, Gwangzeen Ko, Sung Hyun Hwang, Sang Won Kim +1 more | 2012-12-04 |
| 8279767 | Method of frequency channel assignment using effective spectrum sensing in multiple frequency assignment system | Bub Joo Kang, Myung Sun Song | 2012-10-02 |
| 8279132 | Multi-mode antenna and method of controlling mode of the antenna | Young-Bae Jung, Soon-Young Eom, Soon-Ik Jeon | 2012-10-02 |
| 8164506 | Electromagnetic absorber using resistive material | Dong-Uk Sim, Jong Hwa Kwon, Sang il Kwak, Je Hoon Yun | 2012-04-24 |
| 8159412 | Isolation antenna for repeater | Je Hoon Yun, Soon-Ik Jeon, Jong Sik Lim, Jung Ick MOON, Joung-Myoun Kim +2 more | 2012-04-17 |
| 8120541 | Antenna system for tracking satellite | Young-Bae Jung, Soon-Young Eom, Jae-Seung Yun, Seong-Ho Son, Soon-Ik Jeon | 2012-02-21 |
| 8031667 | Method for managing multiple frequency assignment using terminal's received performance in OFDMA WRAN system | Bub Joo Kang, Myung Sun Song, Gwang Zeen KO, Sung Hyun Hwang, Hyung-Rae Park | 2011-10-04 |
| 8022713 | Method for measuring antenna characteristics out operational frequency range of chamber | Young-Bae Jung, Soon-Ik Jeon | 2011-09-20 |
| 8004369 | Arrangement structure of electromagnetic band-gap for suppressing noise and improving signal integrity | Jong Hwa Kwon, Dong-Uk Sim, Sang il Kwak, Je Hoon Yun | 2011-08-23 |
| 7990914 | Method for evaluating spectrum utilization efficiency in radio system sharing frequency | Hyunduk Kang | 2011-08-02 |
| 7978022 | Cable to waveguide transition apparatus having signal accumulation form of backshort and active phase shifting using the same | Nak-Seon Seong, Won Kyu Choi, Ji-Hoon Bae, Jong Moon LEE, Cheol Sig Pyo | 2011-07-12 |
| 7969371 | Small monopole antenna having loop element included feeder | Je Hoon Yun, Jung Ick MOON, Joung-Myoun Kim | 2011-06-28 |
| 7944404 | Circular polarized helical radiation element and its array antenna operable in TX/RX band | Jae-Seung Yun, Soon-Young Eom, Young-Bae Jung, Soon-Ik Jeon | 2011-05-17 |
| 7903691 | Method of generating pilot pattern for adaptive channel estimation in OFDMA systems, method of transmitting/receiving using the pilot pattern and apparatus thereof | Sung Hyun Hwang, Myung Sun Song, Jung Sun UM | 2011-03-08 |
| 7893885 | Antenna system for tracking mobile satellite and carrier having the same | Young-Bae Jung, Soon-Ik Jeon | 2011-02-22 |
| 7868837 | Ultra isolation antenna | Je Hoon Yun, Jong Sik Lim, Jung Ick MOON | 2011-01-11 |
| 7809524 | Apparatus and method for predicting wave propagation characteristic of multiple antenna system | Ho Kyung SON, Heon Jin Hong | 2010-10-05 |
| 7768362 | Comb polarizer suitable for millimeter band applications | Soon-Young Eom, Je Hoon Yun, Soon-Ik Jeon, Yury Borlsovich Korchemkin | 2010-08-03 |
| 7535821 | Method for generating two-dimensional orthogonal variable spreading code and MIMO system using the same | Ho Kyung SON, Jong Ho Kim, Yong-Seok Choi, Moon Ho Lee, Kwang Jae Lee +1 more | 2009-05-19 |
| 7518559 | Inverted L-shaped antenna | Je Hoon Yun, Jae Wook Lee, Hyung Soo Lee | 2009-04-14 |
| 7502764 | Method for deciding array spacing of array antenna by using genetic algorithm and array antenna having sofa structure with irregular array spacing | Seong-Ho Son, Ung-Hee Park, Soon-Ik Jeon | 2009-03-10 |
| 7492322 | Multi-satellite access antenna system | Young-Bae Jung, Soon-Ik Jeon | 2009-02-17 |
| 7400899 | Method for controlling power level based on packet error rate in wireless personal area network system | Cheol Shin, Hyung Soo Lee, Sangsung Choi, Il-Kyoo Lee | 2008-07-15 |