Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10971992 | Start-up circuit to discharge EMI filter for power saving of power supplies | Meng-Jen Tsai, Chien-Yuan Lin, Ming-Chang Tsou, Chuan-Chang Li, Gwo-Hwa Wang | 2021-04-06 |
| 10830916 | Geophone with magnetic self-damping system | Yong Fong Lau, Shi Jing Jackie Yeo, Ariane Wu | 2020-11-10 |
| 10781687 | Electrical impedance tomography using a switchable array | — | 2020-09-22 |
| 10620334 | Modifying magnetic tilt angle using a magnetically anisotropic material | Li-Te Pan, Chao-Fu Wang, Rencheng Song | 2020-04-14 |
| 10570902 | Band-gap communications across a well tool with a modified exterior | Jin Ma, Glenn Andrew Wilson, Iftikhar Ahmed | 2020-02-25 |
| 10544672 | High-efficiency downhole wireless communication | Quang Huy Nguyen, Jin Ma | 2020-01-28 |
| 10526886 | Systems and methods employing an acoustic caliper tool with tool inclination correction | Quang Huy Nguyen, Vinodh Kumar Palani | 2020-01-07 |
| 10411584 | Start-up circuit to discharge EMI filter for power saving of power supplies | Meng-Jen Tsai, Chien-Yuan Lin, Ming-Chang Tsou, Chuan-Chang Li, Gwo-Hwa Wang | 2019-09-10 |
| 10288757 | Acousto-electromagnetic apparatus and method for acoustic sensing | — | 2019-05-14 |
| 10217583 | Pressure responsive switch for actuating a device | Muhammad Subhan Bin Muhammad Moizuddin | 2019-02-26 |
| 10193435 | Start-up circuit to discharge EMI filter for power saving of power supplies | Meng-Jen Tsai, Chien-Yuan Lin, Ming-Chang Tsou, Chuan-Chang Li, Gwo-Hwa Wang | 2019-01-29 |
| 10156649 | Dual core locking geophone | R. Niemar, Yee Siang Teh, Yongan Yan | 2018-12-18 |
| 9991810 | Gate pre-positioning for fast turn-off of synchronous rectifier | Hangseok Choi, Cheng-Sung Chen | 2018-06-05 |
| 9927544 | Rotating sensor mechanism for seismic while drilling sensors | — | 2018-03-27 |
| 9581706 | Geophone with tunable resonance frequency | — | 2017-02-28 |
| 9401592 | Discharge circuits of discharge paths for electromagnetic interference filters | Yuan-Pu Lee, Chi-Chen Chung, Chen-Hua Chiu | 2016-07-26 |
| 9379616 | Control circuit with deep burst mode for power converter | Chi-Chen Chung | 2016-06-28 |
| 9337736 | Controller with power saving for power converters and method for the same | Chi-Chen Chung | 2016-05-10 |
| 9306459 | Control circuit for burst switching of power converter and method thereof | Ta-Yung Yang, Chi-Chen Chung | 2016-04-05 |
| 9093993 | Power saving circuit for PWM circuit | — | 2015-07-28 |
| 8767419 | Feedback circuit with feedback impedance modulation for improving power saving | — | 2014-07-01 |
| 8698474 | Start-up circuit with low standby power loss for power converters | Ta-Yung Yang, Rui-Hong Lu | 2014-04-15 |
| 8649129 | Method and apparatus of providing over-temperature protection for power converters | — | 2014-02-11 |
| 8576595 | Method and apparatus of providing a biased current limit for limiting maximum output power of power converters | Shao-Chun Huang, Chien-Tsun Hsu, Jian-Ming Fu, Ta-Yung Yang | 2013-11-05 |
| 8559196 | Output voltage control circuit of power converter for light-load power saving | Ta-Yung Yang, Chuh-Ching Li, Rui-Hong Lu, Jenn-yu G. Lin | 2013-10-15 |