Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10979007 | Amplification device with isolation characteristics | Hyung Jun Cho, Hyun Jin Yoo, Jong Mo Lim, Yoo Sam Na, Yoo Hwan Kim | 2021-04-13 |
| 10903799 | Variable gain low noise amplifying apparatus with phase distortion compensation | Hyun Jin Yoo, Jong Mo Lim, Yoo Sam Na, Hyung Jun Cho, Yoo Hwan Kim | 2021-01-26 |
| 10886058 | Inductor and low-noise amplifier including the same | Hyung Jun Cho, Jong Mo Lim, Hyun Jin Yoo, Yoo Hwan Kim, Yoo Sam Na | 2021-01-05 |
| 10826442 | Variable gain low noise amplifier with phase compensation | Hyun Jin Yoo, Jong Mo Lim, Yoo Hwan Kim, Hyung Jun Cho, Yoo Sam Na | 2020-11-03 |
| 10826151 | Directional coupler circuit and power amplifying device with phase compensation function | Jong Mo Lim, Yoo Sam Na, Hyun Jin Yoo, Hyung Jun Cho, Yoo Hwan Kim | 2020-11-03 |
| 10778175 | Coupler circuit with phase compensation function | Jong Mo Lim, Hyun Jin Yoo, Yoo Sam Na, Hyung Jun Cho, Yoo Hwan Kim | 2020-09-15 |
| 10686413 | Low noise amplifier circuit with multiple-input multiple-output (MIMO) structure | Jong Mo Lim, Yoo Sam Na, Hyun Jin Yoo, Hyung Jun Cho, Yoo Hwan Kim | 2020-06-16 |
| 10505517 | Radio frequency switch circuit and apparatus having built-in coupler | Yoo Sam Na, Jong Mo Lim, Yoo Hwan Kim, Hyun Jin Yoo, Seong Jong CHEON | 2019-12-10 |
| 10305467 | Radio frequency switch circuit | Yoo Hwan Kim, Jong Mo Lim, Yoo Sam Na, Hyun Jin Yoo | 2019-05-28 |
| 10274981 | Voltage dropping apparatus, voltage switching apparatus, and internal voltage supply apparatus using the same | Jong Myeong Kim, Yoo Hwan Kim, Yoo Sam Na, Dae Seok Jang, Hyun Jin Yoo | 2019-04-30 |
| 10050609 | Antenna switch circuit with improved harmonic suppression characteristic | Hyun Jin Yoo, Yoo Hwan Kim, Yoo Sam Na, Jong Mo Lim | 2018-08-14 |
| 10044341 | Radio frequency switch circuit and apparatus having built-in coupler | Yoo Sam Na, Jong Mo Lim, Yoo Hwan Kim, Hyun Jin Yoo, Seong Jong CHEON | 2018-08-07 |
| 9876496 | Radio frequency switch circuit | Hyun Jin Yoo, Jong Myeong Kim, Yoo Hwan Kim, Yoo Sam Na, Dae Seok Jang | 2018-01-23 |
| 9851733 | Voltage dropping apparatus, voltage switching apparatus, and internal voltage supply apparatus using the same | Jong Myeong Kim, Yoo Hwan Kim, Yoo Sam Na, Dae Seok Jang, Hyun Jin Yoo | 2017-12-26 |
| 9847781 | Radio frequency switch including filter circuit | Yoo Sam Na, Jong Myeong Kim, Hyun Jin Yoo, Yoo Hwan Kim | 2017-12-19 |
| 9628070 | Radio frequency switch circuit and control method thereof | Dae Seok Jang, Yoo Hwan Kim, Yoo Sam Na, Jong Myeong Kim, Hyun Jin Yoo | 2017-04-18 |
| 9531375 | Radio frequency switch circuit | Yoo Sam Na, Jong Myeong Kim, Yoo Hwan Kim, Dae Seok Jang, Hyun Jin Yoo | 2016-12-27 |
| 9389626 | Low-drop-output type voltage regulator and RF switching control device having the same | Yoo Hwan Kim, Jong Myeong Kim, Yoo Sam Na, Dae Seok Jang, Hyun Jin Yoo | 2016-07-12 |
| 9231780 | Radio frequency switching circuit and electronic device | Hyun Jin Yoo, Yoo Hwan Kim, Jong Myeong Kim, Dae Seok Jang, Yoo Sam Na | 2016-01-05 |
| 9209854 | Radio frequency switching circuit with advanced isolation characteristics | Yoo Hwan Kim, Yoo Sam Na, Hyun Jin Yoo, Jong Myeong Kim | 2015-12-08 |
| 9197253 | RF switch | Hyun Jin Yoo, Yoo Sam Na, Jong Myeong Kim, Yoo Hwan Kim | 2015-11-24 |
| 9197280 | Radio frequency switch | Jong Myeong Kim, Hyun Jin Yoo, Yoo Sam Na, Yoo Hwan Kim | 2015-11-24 |
| 8952755 | Power amplifier | Yoo Hwan Kim, Yoo Sam Na, Hyeon Seok Hwang, Byeong Hak Jo | 2015-02-10 |
| 8531243 | Bias controlling apparatus | Yoo Hwan Kim, Yoo Sam Na | 2013-09-10 |
| 8183928 | CMOS power amplifier and temperature compensation circuit thereof | Yoo Hwan Kim, Yoo Sam Na, Byeong Hak Jo | 2012-05-22 |