| 11201592 |
Doherty combiner |
Kwan-Sun Choi, Jong Sik Lim, Sang-Min Han, Sung Min Kim, You-Na Jang +6 more |
2021-12-14 |
| 9219465 |
Bulk acoustic wave resonator |
Chul Soo Kim, Jae Shik Shin, In-sang Song, Duck Hwan Kim, Sang Uk Son +1 more |
2015-12-22 |
| 9166555 |
Phase shifter using bulk acoustic wave resonator |
Jea Shik Shin, Duck Hwan Kim, In-sang Song, Chul Soo Kim, Yun Kwon Park +1 more |
2015-10-20 |
| 9059491 |
Double microstrip transmission line having common defected ground structure and wireless circuit apparatus using the same |
Jongsik Lim |
2015-06-16 |
| 8854157 |
Balun comprising two conversion circuits each constituted by first to third FBARs |
Duck Hwan Kim, Chul Soo Kim, In-sang Song, Yun Kwon Park, Jea Shik Shin +1 more |
2014-10-07 |
| 8531253 |
Serial L-C resonator with three-dimensional structure and ultra-wide bandpass filter using the same |
Jong Im Park |
2013-09-10 |
| 8416037 |
Phase shifter using bulk acoustic wave resonator |
Jea Shik Shin, Duck Hwan Kim, In-sang Song, Chul Soo Kim, Yun Kwon Park +1 more |
2013-04-09 |
| 8358587 |
Local wireless communication system and method employing frequency-variable signal detection |
Sang-Min Han, Jong Sik Lim, Won-Sang Yoon, Young Sik Kim |
2013-01-22 |
| 8330551 |
Dual band high frequency amplifier using composite right/left handed transmission line |
Jongsik Lim |
2012-12-11 |
| 8316645 |
Triple swirl gas turbine combustor |
Min-Chul Lee, Yong Jin Joo, Jae Hwa Chung, Si Moon Kim, Jin Pyo Hong +1 more |
2012-11-27 |
| 8291708 |
Combustor and multi combustor including the combustor, and combusting method |
Min-Chul Lee, Jae Hwa Chung, Seok Seo, Yong Jin Joo, Jong Jin Kim |
2012-10-23 |
| 8132415 |
Fuel nozzle of gas turbine combustor for DME and design method thereof |
Min-Chul Lee, Yong Jin Joo, Seok Seo, Jae Hwa Chung, Won Shik Park +1 more |
2012-03-13 |
| 7535313 |
Balun |
Chul Soo Kim, Kwi-soo Kim, In-sang Song, Yun Kwon Park, Kuang-woo Nam |
2009-05-19 |
| 7471167 |
Balun |
Chul Soo Kim, Kwi-soo Kim, In-sang Song, Yun Kwon Park, Seok-chul Yun +1 more |
2008-12-30 |
| 6653917 |
High-temperature superconductor low-pass filter for suppressing broadband harmonics |
Kwang Yong Kang, Seok Kil Han, Min Hwan Kwak |
2003-11-25 |
| 6567648 |
System combining radio frequency transmitter and receiver using circulator and method for canceling transmission signal thereof |
Jun Seok Park, Jong-Chul Park, Chul Sang Yoon, Won Jun Kwak |
2003-05-20 |
