Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10224643 | Radio communication antenna having narrow beam width | Oh Seog CHOI, In Ho Kim, Sang-Hyeong Kim | 2019-03-05 |
| 10205233 | Dual polarization antenna including isolation providing device | Sunghwan So, Yong Won SEO | 2019-02-12 |
| 10090912 | Antenna system of mobile communication base station | Sung Hwan SO, Jong Han Kim, Goog-Seong Jeong, Dong Hun Lee, Ki-Hoon Woo | 2018-10-02 |
| 10033110 | Multi-band, multi-polarized wireless communication antenna | Sung Hwan SO, Soon-Wook Kim, Jae Hwan Lim, Seong-Ha Lee | 2018-07-24 |
| 9992757 | Donor unit, remote unit, and mobile communication base station system having same | Myong-Sik Lee, Chang-Seob Choi, Dae-Hyoung Hong, Sang Won Yun, Won-Jin Sung +3 more | 2018-06-05 |
| 9917627 | Base station device in mobile communication system and circulator arrangement to increase isolation between co-located antennas | Nam-Shin Park, Chang-Seob Choi, In-Ho Na | 2018-03-13 |
| 9917361 | Variable beam control antenna for mobile communication system | Sung Hwan SO, In Ho Kim, Oh Seog CHOI, Hyoung Seok YANG | 2018-03-13 |
| 9917626 | Base station device in mobile communication system and circulator arrangement to increase isolation between co-located antennas | Nam-Shin Park, Chang-Seob Choi, In-Ho Na | 2018-03-13 |
| 9667277 | Apparatus for tuning voltage standing wave ratio of base station system in wireless communication network | Sung Hwan SO, In Ho Kim, Oh Seog CHOI | 2017-05-30 |
| 9572196 | Small-sized base station device in mobile communication system | Duk-Yong Kim, Myong-Sik Lee, Chang Woo Yoo, Chi Back RYU | 2017-02-14 |
| 9491799 | Small base station for mobile communication system | Duk-Yong Kim, Myong-Sik Lee, Chang Woo Yoo, Min Sik Park | 2016-11-08 |
| 9379435 | Antenna of mobile communication base station and method for controlling same | Sung Hwan SO, Dong Hun Lee, Ki-Hoon Woo | 2016-06-28 |
| 9276323 | Dual polarization antenna for a mobile communication base station, and multiband antenna system using same | Sung Hwan SO, In Ho Kim | 2016-03-01 |
| 9136655 | Cable connection device | Sung Hwan SO, Oh Seog CHOI, Youn-Moon Han | 2015-09-15 |
| 8957824 | Broadband dipole antenna | Oh Seog CHOI, Heon-Jeong Jeong | 2015-02-17 |
| 8907744 | Multi-line phase shifter having a fixed plate and a mobile plate in slideable engagement to provide vertical beam-tilt | Oh Seog CHOI, In Ho Kim, Kwang-Seok Choi | 2014-12-09 |
| D697900 | Antenna radome | Hyoung Seok YANG, In Ho Kim, Sung Hwan SO, Oh-Seong Choi | 2014-01-21 |
| 8619677 | Base station antenna in a mobile communication system | Duk-Yong Kim, In Ho Kim, Kang Hyun Lee, Oh Seog CHOI, Seok Sung +2 more | 2013-12-31 |
| 8593365 | Method for installing radiator elements arranged in different planes and antenna thereof | Oh Seog CHOI, Sung Hwan SO, In-Ha Jung, Seung-Mok Han | 2013-11-26 |
| 8244173 | RF repeater | — | 2012-08-14 |
| 8199063 | Dual-band dual-polarized base station antenna for mobile communication | Sung Hwan SO | 2012-06-12 |
| 8175013 | Radio frequency switch | Kang Hyun Lee | 2012-05-08 |
| 8143970 | Phase shifter having a varying signal path length based on the rotation of the phase shifter | Ryoji Matsubara, Nam-Il Kim | 2012-03-27 |
| 7564323 | Radio frequency switch | Duk-Yong Kim, Gil Ho LEE, Kang Hyun Lee | 2009-07-21 |
| 6661374 | Base transceiver station having multibeam controllable antenna system | Duk-Yong Kim, Yong-Sup Kil, Yoon-Bae Lee | 2003-12-09 |