Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11527996 | Frequency mixing device | Dong Hwan Shin, Dong Pil CHANG, Byoung Hak Kim, Seong Mo MOON, Jun Han Lim +2 more | 2022-12-13 |
| 10727556 | Multimode microwave filter | Changsoo Kwak, So Hyeun YUN, Hongyeol LEE | 2020-07-28 |
| 10079416 | Microwave filter system including feedback structure | Seong Mo MOON, Moon Que LEE | 2018-09-18 |
| 9774384 | Multi-beam antenna system and method for controlling output power thereof | So Hyeun YUN, Man Seok UHM, Hong Yeol Lee, Chang Soo KWAK | 2017-09-26 |
| 9614265 | Variable high frequency filter device and assembly | Chang Soo KWAK, Youn Sub Noh, Man Seok UHM, So Hyeun YUN, Hong Yeol Lee | 2017-04-04 |
| 9419345 | Dual reflector antenna with hybrid subreflector | So Hyeun YUN, Chang Soo KWAK, Man Seok UHM, Hong Yeol Lee | 2016-08-16 |
| 9197245 | Digital serial-to-parallel converter and GaAs MMIC using the same | Jin Cheol JEONG, Dong Hwan Shin, In Kwon Ju | 2015-11-24 |
| 9100119 | Apparatus and method for multiport amplification in communication system | Seong Mo MOON, Dong Hwan Shin, Moon Que LEE | 2015-08-04 |
| 9024702 | Low phase shift voltage variable attenuator | Dong Hwan Shin, Seong Mo MOON | 2015-05-05 |
| 8970441 | Antenna apparatus | So Hyeun YUN, Hong Yeol Lee, Chang Soo KWAK, Man Seok UHM, Jang Sup CHOI | 2015-03-03 |
| 8797122 | Butler matrix | Hongyeol LEE, Man Seok UHM, So Hyeun YUN, Changsoo Kwak, Jang Sup CHOI | 2014-08-05 |
| 8766851 | Butler matrix and multi-port amplifier having the same | Hong Yeol Lee, Man Seok UHM, So Hyeun YUN | 2014-07-01 |
| 8600333 | Apparatus for mixing frequency | Jin Cheol JEONG | 2013-12-03 |
| 8588343 | Apparatus for calibrating amplitude and phase errors, multiport amplifier including the same, and method of amplifying the multiport amplifier | Seong Mo MOON, Dong Hwan Shin | 2013-11-19 |
| 8558635 | 3-way balun for planar-type double balanced mixer | Jin Cheol JEONG, Dong Pil CHANG, Inkwon Ju | 2013-10-15 |
| 8482360 | RF switch with high isolation performance | Dong Pil CHANG | 2013-07-09 |
| 8422232 | System for controlling temperature of antenna module | Changsoo Kwak, So Hyeun YUN, Donghwan Shin, Ho-Jin Lee | 2013-04-16 |
| 8410991 | Antenna system for mobile vehicles | Chang Soo KWAK, Ho-Jin Lee | 2013-04-02 |
| 8410872 | Line filter formed on dielectric layers | Man Seok UHM, Changsoo Kwak, Youn Sub Noh | 2013-04-02 |
| 8362608 | Ultra wideband hermetically sealed surface mount technology for microwave monolithic integrated circuit package | In Kwon Ju | 2013-01-29 |
| 8354892 | Marchand balun device for forming parallel and vertical capacitance | Jin Cheol JEONG | 2013-01-15 |
| 8339330 | Frequency selective surface structure for multi frequency bands | So Hyeun YUN, Ho-Jin Lee, Ji-Whan Ko | 2012-12-25 |
| 8314667 | Coupled line filter and arraying method thereof | Man Seok UHM, Youn Sub Noh, Changsoo Kwak, So Hyeun YUN, Kiburm Ahn | 2012-11-20 |
| 8294247 | High-power device having thermocouple embedded therein and method for manufacturing the same | Chang Soo KWAK, Man Seok UHM | 2012-10-23 |
| 8294491 | High speed flip-flop circuit and configuration method thereof | In Kwon Ju | 2012-10-23 |