Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12413211 | Frequency mixing circuit with multi-transistor architecture | Yi-Ching Wu | 2025-09-09 |
| 12388422 | Resistive attenuator and method for improving linearity of resistive attenuator | Yi-Ching Wu | 2025-08-12 |
| 12334887 | Variable gain amplifier circuit and method having linearity compensation mechanism | Yang Chang | 2025-06-17 |
| 12199807 | Wireless transceiver having in-phase quadrature-phase calibration function | Kuan-Yu Shih | 2025-01-14 |
| 12119802 | Radio frequency transceiver device | Chia-Yi Lee, Kuan-Yu Shih | 2024-10-15 |
| 11990269 | Inductor device that can resist external interference and adjust inductance value and quality factor of inductor | Yang Chang, Chia-Yi Lee | 2024-05-21 |
| 11863127 | Amplifier device | Yang Chang, Kuan-Yu Shih, Ka-Un Chan | 2024-01-02 |
| 11588612 | Communication chip | Jon-Jin Chen, Ka-Un Chan, Yi-Ching Wu | 2023-02-21 |
| 11283412 | Low noise amplifier circuit having multiple gains | Chia-Yi Lee, Ping-Hsuan Tsai, Ka-Un Chan | 2022-03-22 |
| 10938438 | Radio-frequency circuit | Ka-Un Chan, Chih-Lung Chen, Po-Chih Wang | 2021-03-02 |
| 10312863 | Amplifying circuit and associated receiver | Ka-Un Chan | 2019-06-04 |
| 8922450 | Signal converting circuit capable of reducing/avoiding signal leakage and related signal converting method | Hsien-Ku Chen, Ka-Un Chan, Ying-Hsi Lin | 2014-12-30 |
| 8860507 | Amplifier with gain circuit coupeld to primary coil of transformer | Hsien-Ku Chen, Ka-Un Chan, Ying-Hsi Lin | 2014-10-14 |
| 8816771 | Signal amplifying circuit with reduced output signal noise by introducing coupling effect and related method thereof | Hsien-Ku Chen, Ka-Un Chan, Ying-Hsi Lin | 2014-08-26 |
| 8472894 | Signal transmitting/receiving circuit including an impedance matching circuit | Po-Chih Wang | 2013-06-25 |
| 8095101 | Receiving device and related method for calibrating DC offset | Pei-Ju Chiu, Chao-Cheng Lee | 2012-01-10 |
| 7984861 | Hydrant apparatus and water discharging method | — | 2011-07-26 |
| 7190173 | Impedance calibration circuit and method thereof | Tzung-Ming Chen | 2007-03-13 |
| 7106131 | Amplifying circuit | Chao-Cheng Lee | 2006-09-12 |
| 7023263 | Low pass filter | Chao-Cheng Lee | 2006-04-04 |
| 7015730 | Mix-type sample and hold circuit of receiving end and receiving method thereof | Chao-Cheng Lee | 2006-03-21 |