Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10153741 | Average power tracking mode power amplifier using dual bias voltage levels | Won Seob Lim | 2018-12-11 |
| 9876440 | Active rectifier capable of preventing reverse leakage current | Kang Yoon Lee, Seong Jin Oh, Keum Cheol Hwang, Young-Jun Park, Sang Yun KIM +2 more | 2018-01-23 |
| 9735627 | Input driver for power amplifier and transmitter | Si Hyung Kim, Woo-Seok Lee, Hwi Seob Lee, Chul Gyun Park, Sung Uk Lee | 2017-08-15 |
| 9667204 | Dynamic bias modulator with multiple output voltage converter and power amplification apparatus using the same | Jong Seok Bae, Sung Jae Oh, Soo-ho Cho | 2017-05-30 |
| 9559637 | Multi-mode bias modulator and envelope tracking power amplifier using the same | JungHyun HAM | 2017-01-31 |
| 9425744 | Multi mode bias modulator operating in envelope tracking mode or average power tracking mode and envelope tracking power amplifier using the same | JungHyun HAM, Hearyun Jung | 2016-08-23 |
| 9130515 | Apparatus and method for balanced power amplification | Jin Sung Choi, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Dong Zo Kim +5 more | 2015-09-08 |
| 8955757 | Apparatus for collecting wireless energy and wireless electronic label employing the apparatus | Sung-chan Jung, Min Geun SONG, Hyung Chul Kim | 2015-02-17 |
| 8463201 | Apparatus and method for removing transmission leakage signal | Sung-chan Jung, Min Su Kim | 2013-06-11 |
| 8054126 | Dynamic bias supply devices | Min Su Kim | 2011-11-08 |
| 7945220 | LINC power transmitter | Bumman Kim, Young Yun Woo, Jae Hyok Yi, Seung-Woo Kim | 2011-05-17 |
| 7663434 | Doherty amplifier | Hyun-Chul Park, Sung-chan Jung | 2010-02-16 |
| 7646248 | Harmonic tuned doherty amplifier | Xi Yao, Hyun-Chul Park, Sung-Wook Kwon | 2010-01-12 |
| 7200369 | LINC power transmitter | Bumman Kim, Young Yun Woo, Jae Hyok Yi, Seung-Woo Kim | 2007-04-03 |
| 6992524 | Quiescent current control circuit for high-power amplifiers | Kevin Choi, Bong-Seok Park | 2006-01-31 |
| 6946911 | Temperature-insensitive bias circuit for high-power amplifiers | Kevin Choi, Nai-Shuo Cheng | 2005-09-20 |
| 6867648 | Linearization apparatus capable of adjusting peak-to-average power ratio | Bumman Kim, Young Yun Woo | 2005-03-15 |
| 6853245 | Doherty amplifier | Bumman Kim, Jeonghyeon Cha | 2005-02-08 |
| 6791410 | Feedforward amplifier and method of improving the performance thereof | Bumman Kim, Young Yun Woo | 2004-09-14 |
| 6757338 | Predistortion linearizer using even order intermodulation components | Bumman Kim, Young Yun Woo | 2004-06-29 |
| 6617929 | Full output matching apparatus of a microwave doherty amplifier | Bumman Kim, Jaehyok Yi, Young Yun Woo | 2003-09-09 |