Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12176306 | Electrical circuit of semiconductor channel resistor and apparatus and method for generating the same | Sang-Heung Lee, Soo Cheol Kang, Seong-Il Kim, Hae Cheon Kim, Ho Kyun Ahn +3 more | 2024-12-24 |
| 12166101 | High-electron-mobility transistor device and method of manufacturing the same | Soo Cheol Kang, Hyun Wook JUNG, Seong-Il Kim, Hae Cheon Kim, Ho Kyun Ahn +4 more | 2024-12-10 |
| 12131978 | Semiconductor device with high heat dissipation property using hexagonal boron nitride and method of manufacturing the same | Il Gyu CHOI, Seong-Il Kim, Hae Cheon Kim, Ho Kyun Ahn, Sang-Heung Lee +3 more | 2024-10-29 |
| 9614265 | Variable high frequency filter device and assembly | Chang Soo KWAK, Man Seok UHM, So Hyeun YUN, Hong Yeol Lee, In-Bok Yom | 2017-04-04 |
| 8669815 | Amplifier, apparatus and method for controlling amplifier in communication system | — | 2014-03-11 |
| 8410872 | Line filter formed on dielectric layers | Man Seok UHM, Changsoo Kwak, In-Bok Yom | 2013-04-02 |
| 8314667 | Coupled line filter and arraying method thereof | Man Seok UHM, Changsoo Kwak, So Hyeun YUN, Kiburm Ahn, In-Bok Yom | 2012-11-20 |
| 8207781 | SPDT switch for radio frequency switching and method for enhancing isolation thereof | In-Bok Yom | 2012-06-26 |
| 7532086 | Digital attenuation apparatus having ultra broadband and excellent attenuation characteristics | In Kwon Ju, In-Bok Yom, Dong Pil CHANG, Jin Cheol JEONG, Dong Hwan Shin | 2009-05-12 |
| 7474177 | Efficiency-improved tuning assembly for radio frequency filters and method for forming the same | Chang Soo KWAK, Dong Hwan Shin, In-Bok Yom, Dong Pil CHANG | 2009-01-06 |
| 7109800 | Bias circuit for providing a constant bias current to a power amplifier | Chul Soon Park | 2006-09-19 |
| 7005923 | Adaptive bias circuit for a power amplifier | Chul Soon Park | 2006-02-28 |
| 6803822 | Power amplifier having a bias current control circuit | Ji Hoon Kim, Chul Soon Park, Joon-Hyung Kim | 2004-10-12 |
| 6744321 | Bias control circuit for power amplifier | Ji Hoon Kim, Chul Soon Park, Joon-Hyung Kim | 2004-06-01 |