Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10979007 | Amplification device with isolation characteristics | Hyung Jun Cho, Hyun Jin Yoo, Jong Mo Lim, Hyun Hwan Yoo, Yoo Sam Na | 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, Hyun Hwan Yoo | 2021-01-26 |
| 10886058 | Inductor and low-noise amplifier including the same | Hyung Jun Cho, Jong Mo Lim, Hyun Hwan Yoo, Hyun Jin Yoo, Yoo Sam Na | 2021-01-05 |
| 10826442 | Variable gain low noise amplifier with phase compensation | Hyun Jin Yoo, Jong Mo Lim, Hyung Jun Cho, Hyun Hwan Yoo, 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 Hwan Yoo, Hyun Jin Yoo, Hyung Jun Cho | 2020-11-03 |
| 10778175 | Coupler circuit with phase compensation function | Jong Mo Lim, Hyun Jin Yoo, Yoo Sam Na, Hyun Hwan Yoo, Hyung Jun Cho | 2020-09-15 |
| 10686413 | Low noise amplifier circuit with multiple-input multiple-output (MIMO) structure | Hyun Hwan Yoo, Jong Mo Lim, Yoo Sam Na, Hyun Jin Yoo, Hyung Jun Cho | 2020-06-16 |
| 10505579 | Radio frequency switching device for fast switching operation | Byeong Hak Jo, Hyun Paek, Jeong Hoon Kim, Yoo Sam Na | 2019-12-10 |
| 10505517 | Radio frequency switch circuit and apparatus having built-in coupler | Yoo Sam Na, Jong Mo Lim, Hyun Hwan Yoo, Hyun Jin Yoo, Seong Jong CHEON | 2019-12-10 |
| 10305467 | Radio frequency switch circuit | Jong Mo Lim, Yoo Sam Na, Hyun Jin Yoo, Hyun Hwan Yoo | 2019-05-28 |
| 10274981 | Voltage dropping apparatus, voltage switching apparatus, and internal voltage supply apparatus using the same | Hyun Hwan Yoo, Jong Myeong Kim, Yoo Sam Na, Dae Seok Jang, Hyun Jin Yoo | 2019-04-30 |
| 10157259 | Method and device for predicting reliability failure rate of semiconductor integrated circuit and method of manufacturing the semiconductor integrated circuit | Jeong Min JO, Hye-Won Shim, Sang-Woo Pae | 2018-12-18 |
| 10050609 | Antenna switch circuit with improved harmonic suppression characteristic | Hyun Jin Yoo, Yoo Sam Na, Jong Mo Lim, Hyun Hwan Yoo | 2018-08-14 |
| 10044341 | Radio frequency switch circuit and apparatus having built-in coupler | Yoo Sam Na, Jong Mo Lim, Hyun Hwan Yoo, Hyun Jin Yoo, Seong Jong CHEON | 2018-08-07 |
| 9876496 | Radio frequency switch circuit | Hyun Jin Yoo, Jong Myeong Kim, Hyun Hwan Yoo, Yoo Sam Na, Dae Seok Jang | 2018-01-23 |
| 9851733 | Voltage dropping apparatus, voltage switching apparatus, and internal voltage supply apparatus using the same | Hyun Hwan Yoo, Jong Myeong 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, Hyun Hwan Yoo | 2017-12-19 |
| 9628070 | Radio frequency switch circuit and control method thereof | Dae Seok Jang, Hyun Hwan Yoo, Yoo Sam Na, Jong Myeong Kim, Hyun Jin Yoo | 2017-04-18 |
| 9531375 | Radio frequency switch circuit | Yoo Sam Na, Jong Myeong Kim, Hyun Hwan Yoo, Dae Seok Jang, Hyun Jin Yoo | 2016-12-27 |
| 9389626 | Low-drop-output type voltage regulator and RF switching control device having the same | Jong Myeong Kim, Hyun Hwan Yoo, Yoo Sam Na, Dae Seok Jang, Hyun Jin Yoo | 2016-07-12 |
| 9231780 | Radio frequency switching circuit and electronic device | Hyun Jin Yoo, Hyun Hwan Yoo, Jong Myeong Kim, Dae Seok Jang, Yoo Sam Na | 2016-01-05 |
| 9209854 | Radio frequency switching circuit with advanced isolation characteristics | Yoo Sam Na, Hyun Jin Yoo, Jong Myeong Kim, Hyun Hwan Yoo | 2015-12-08 |
| 9197253 | RF switch | Hyun Jin Yoo, Yoo Sam Na, Jong Myeong Kim, Hyun Hwan Yoo | 2015-11-24 |
| 9197280 | Radio frequency switch | Hyun Hwan Yoo, Jong Myeong Kim, Hyun Jin Yoo, Yoo Sam Na | 2015-11-24 |
| 8952755 | Power amplifier | Yoo Sam Na, Hyeon Seok Hwang, Byeong Hak Jo, Hyun Hwan Yoo | 2015-02-10 |