Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12407305 | Amplifier output stage with DC-shifting circuit for high-speed supply modulator | Shih-Hsiung Chien, Kuan-Ta Chen | 2025-09-02 |
| 12395136 | High-efficiency amplifier architecture with de-gain stage | Yu-Hung Lin, Shih-Hsiung Chien, Chi-Heng Chung | 2025-08-19 |
| 12388420 | Noise filter circuit with controllable transistor off-resistance and associated noise filtering method | Chuan-Hung Hsiao | 2025-08-12 |
| 12355455 | Digital-to-analog converter with sorting of unit cells that is based on mismatch errors and/or selection of new pointer location that is based on utilization rates of unit cells and associated method | Wei Sun, Chuan-Hung Hsiao | 2025-07-08 |
| 12160206 | DC-blocking amplifier with aliasing tone cancellation circuit | Sujith Kumar Billa | 2024-12-03 |
| 11848646 | Amplifier circuit using voltage-to-current conversion and associated envelope tracking supply modulator using the same | Shih-Hsiung Chien, Kuan-Ta Chen | 2023-12-19 |
| 11632087 | High-linearity amplifier | — | 2023-04-18 |
| 11394351 | High-linearity amplifier | — | 2022-07-19 |
| 11309839 | High signal-to-noise ratio amplifier with multiple output modes | Kuan-Ta Chen | 2022-04-19 |
| 11205999 | Amplifier with signal dependent mode operation | Kuan-Ta Chen | 2021-12-21 |
| 11196387 | Amplifier circuit with high-order damping circuit and the high-order damping circuit | — | 2021-12-07 |
| 11025204 | Circuit having high-pass filter with variable corner frequency | Ying-Wei Chou, Chen-Chien Lin, Jou-Hahn Lee | 2021-06-01 |
| 10763884 | High linearity digital-to-analog converter with ISI-suppressing method | Chuan-Hung Hsiao, Kuan-Ta Chen | 2020-09-01 |
| 10686414 | Load-adaptive class-G amplifier for low-power audio applications | Chien-Ming Chen, Chuan-Hung Hsiao | 2020-06-16 |
| 10574212 | Method and circuit for low-noise reference signal generation | Chuan-Hung Hsiao | 2020-02-25 |
| 10555269 | Amplifier circuit having controllable output stage | Ya-Chi Chen | 2020-02-04 |
| 10535651 | Impedance circuit with poly-resistor | Kuan-Ta Chen | 2020-01-14 |
| 10510823 | Impedance circuit with poly-resistor | Kuan-Ta Chen | 2019-12-17 |
| 10469037 | Multi-stage amplifier circuit with zero and pole inserted by compensation circuits | Kuan-Ta Chen | 2019-11-05 |
| 10199995 | Programmable amplifier circuit capable of providing large or larger resistance for feedback path of its amplifier | Chen-Chien Lin, Yu-Cheng Chang | 2019-02-05 |
| 10123115 | Method, system and circuits for headset crosstalk reduction | Yu-Cheng Chang, Kuan-Ta Chen | 2018-11-06 |
| 10117036 | Calibration method and calibration module thereof for vibration device | Chun-Yuan Cheng, Chin-Yuan Chang | 2018-10-30 |
| 9888318 | Method, system and circuits for headset crosstalk reduction | Yu-Cheng Chang, Kuan-Ta Chen | 2018-02-06 |
| 9794669 | Devices and methods for headphone speaker impedance detection | Po-Yi Lee | 2017-10-17 |
| 9124961 | Control device for driving multi-function speaker by using digital mixing scheme and related control method thereof | Po-Yi Lee, Chien-Chung Yang | 2015-09-01 |