Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |