Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11228337 | Apparatus with transmission route switching of radio frequency signals and radio frequency module | Young Sik Hur, Hyeon Seok Hwang, Si Heon Kwak, Yoo Sam Na, Ju Yeon Lee | 2022-01-18 |
| 10979007 | Amplification device with isolation characteristics | Hyung Jun Cho, Jong Mo Lim, Hyun Hwan Yoo, Yoo Sam Na, Yoo Hwan Kim | 2021-04-13 |
| 10903799 | Variable gain low noise amplifying apparatus with phase distortion compensation | Jong Mo Lim, Yoo Sam Na, Hyung Jun Cho, Yoo Hwan Kim, Hyun Hwan Yoo | 2021-01-26 |
| 10886058 | Inductor and low-noise amplifier including the same | Hyung Jun Cho, Jong Mo Lim, Hyun Hwan Yoo, Yoo Hwan Kim, Yoo Sam Na | 2021-01-05 |
| 10826442 | Variable gain low noise amplifier with phase compensation | Jong Mo Lim, Yoo Hwan Kim, 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, Hyung Jun Cho, Yoo Hwan Kim | 2020-11-03 |
| 10778175 | Coupler circuit with phase compensation function | Jong Mo Lim, Yoo Sam Na, Hyun Hwan Yoo, Hyung Jun Cho, Yoo Hwan Kim | 2020-09-15 |
| 10752718 | Photocurable resin composition and method of forming patterns using the same | Hyung Jong Lee, Nam Seob BAEK, Jonghwi LEE, Yun-Jung SEO | 2020-08-25 |
| 10686413 | Low noise amplifier circuit with multiple-input multiple-output (MIMO) structure | Hyun Hwan Yoo, Jong Mo Lim, Yoo Sam Na, 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 Hwan Yoo, Seong Jong CHEON | 2019-12-10 |
| 10305467 | Radio frequency switch circuit | Yoo Hwan Kim, Jong Mo Lim, Yoo Sam Na, 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 Hwan Kim, Yoo Sam Na, Dae Seok Jang | 2019-04-30 |
| 10171114 | Radio frequency switch apparatus having improved noise suppression characteristics | Seong Jong CHEON, Sung Jae YOON, Se-Jong Kim | 2019-01-01 |
| 10050609 | Antenna switch circuit with improved harmonic suppression characteristic | Yoo Hwan Kim, 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, Yoo Hwan Kim, Hyun Hwan Yoo, Seong Jong CHEON | 2018-08-07 |
| 9876496 | Radio frequency switch circuit | Jong Myeong Kim, Yoo Hwan 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 Hwan Kim, Yoo Sam Na, Dae Seok Jang | 2017-12-26 |
| 9847781 | Radio frequency switch including filter circuit | Yoo Sam Na, Jong Myeong Kim, Hyun Hwan Yoo, Yoo Hwan Kim | 2017-12-19 |
| 9628070 | Radio frequency switch circuit and control method thereof | Dae Seok Jang, Yoo Hwan Kim, Hyun Hwan Yoo, Yoo Sam Na, Jong Myeong Kim | 2017-04-18 |
| 9531375 | Radio frequency switch circuit | Yoo Sam Na, Jong Myeong Kim, Yoo Hwan Kim, Hyun Hwan Yoo, Dae Seok Jang | 2016-12-27 |
| 9389626 | Low-drop-output type voltage regulator and RF switching control device having the same | Yoo Hwan Kim, Jong Myeong Kim, Hyun Hwan Yoo, Yoo Sam Na, Dae Seok Jang | 2016-07-12 |
| 9231780 | Radio frequency switching circuit and electronic device | Hyun Hwan 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, Jong Myeong Kim, Hyun Hwan Yoo | 2015-12-08 |
| 9197253 | RF switch | Yoo Sam Na, Jong Myeong Kim, Hyun Hwan Yoo, Yoo Hwan Kim | 2015-11-24 |
| 9197280 | Radio frequency switch | Hyun Hwan Yoo, Jong Myeong Kim, Yoo Sam Na, Yoo Hwan Kim | 2015-11-24 |