Issued Patents 2019
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10505579 | Radio frequency switching device for fast switching operation | Byeong Hak Jo, Hyun Paek, Yoo Hwan Kim, Yoo Sam Na | 2019-12-10 |
| 10505498 | Envelope tracking bias circuit and power amplifying device | Jong Ok HA, Byeong Hak Jo | 2019-12-10 |
| 10483968 | Apparatus and method for determining optimum stack number of RF switch | Byeong Hak Jo, Hyun Paek | 2019-11-19 |
| 10476441 | Envelope tracking current bias circuit and power amplifying device | Byeong Hak Jo, Jong Ok HA | 2019-11-12 |
| 10476438 | Envelope tracking bias circuit | Jong Ok HA, Byeong Hak Jo | 2019-11-12 |
| 10454470 | Control buffer circuit and radio frequency switch for dual mode operation | Byeong Hak Jo, Jong Ok HA | 2019-10-22 |
| 10434463 | Separation membrane for olefin separation and olefin separation method using the same | Su Young Moon, Bong Jun CHANG | 2019-10-08 |
| 10429876 | Reference current generating circuit with process variation compensation | Byeong Hak Jo, Kyu Jin Choi, Jong Ok HA | 2019-10-01 |
| 10396765 | Power amplifying apparatus with spurious signal reduction function | Byeong Hak Jo, Hyun Paek, Jong Ok HA | 2019-08-27 |
| 10396713 | Envelope-tracking current bias circuit with offset cancellation function | Byeong Hak Jo, Jong Ok HA | 2019-08-27 |
| 10374557 | Adaptive multiband power amplifier apparatus | Byeong Hak Jo, Jong Ok HA, Youn Suk Kim | 2019-08-06 |
| 10305519 | Power supply apparatus for power amplifier | Hui Dong Gwon, Gyu-Hyeong Cho | 2019-05-28 |
| 10270405 | Radio frequency switch apparatus with improved harmonic attenuation characteristics | Byeong Hak Jo, Hyun Paek | 2019-04-23 |
| 10270395 | Envelope tracking current bias circuit with offset removal function and power amplifier | Byeong Hak Jo, Jong Ok HA | 2019-04-23 |
| 10198021 | Voltage generation circuit having a temperature compensation function | Shinichi Iizuka, Jong Ok HA | 2019-02-05 |
| 10200027 | Radio frequency switch apparatus with integrated shunt and bias | Hyun Paek, Byeong Hak Jo | 2019-02-05 |
| 10193499 | Multiphase power supply having single comparator | Hui Dong Gwon, Gyu-Hyeong Cho | 2019-01-29 |