Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12355355 | Switching power converter circuit and conversion control circuit and method thereof | Wan-Hsuan Yang, Chi-Hsun Wu | 2025-07-08 |
| 12273031 | Constant time buck-boost switching converter and modulation control circuit and control method thereof | Tsung-Han Yu, Keng-Hong Chu | 2025-04-08 |
| 12249910 | Switching power converter and active EMI filter circuit thereof | Chen-Pin Huang, Chia-Chun Li, Chen-Lin Hsu, Wan-Hsuan Yang | 2025-03-11 |
| 12055964 | Multi-loop power converter and multi-loop error amplifier circuit and control method thereof | Keng-Hong Chu, Li-Chen Cheng, Tsung-Han Yu | 2024-08-06 |
| 12034367 | Switching power converter and active EMI filter circuit thereof | Chen-Pin Huang, Chia-Chun Li, Chen-Lin Hsu, Wan-Hsuan Yang | 2024-07-09 |
| 11171560 | Switching regulator having low start-up voltage and switch control circuit thereof | Po-Yu Chiang | 2021-11-09 |
| 10644600 | Constant-time buck-boost switching regulator and control circuit and control method thereof | Kuo-Chun Wu | 2020-05-05 |
| 10532598 | Ring binder mechanism | Wing Yiu Ng | 2020-01-14 |
| 10532599 | Ring binder mechanism | Wing Yiu Ng | 2020-01-14 |
| 10097079 | Dual constant time switching regulator and switching control circuit and method thereof | Kuo-Chun Wu | 2018-10-09 |
| 9787187 | Dual-constant-time buck-boost switching regulator and control circuit and method thereof | — | 2017-10-10 |
| 9395734 | Control circuit of power converter | Tzu-Huan Chiu, Shuo-Wen Chang | 2016-07-19 |
| 9044994 | Ring binder mechanism | Wing Yiu Ng | 2015-06-02 |
| 9041374 | Power converting circuit and control circuit thereof | Chung-Lung Pai, Tzu-Huan Chiu, Chien-Ping Lu | 2015-05-26 |
| 8573876 | Soft close ring binder mechanism with mating ring tips | Ho Ping Cheng, Chun Yuen To | 2013-11-05 |
| 8186899 | Ring binder mechanism | Wing Yiu Ng | 2012-05-29 |
| 8043018 | Ring binder mechanism | — | 2011-10-25 |
| 8038361 | Ready lock ring binder mechanism | Ho Ping Cheng | 2011-10-18 |
| 8006354 | Plate clip with open handle | — | 2011-08-30 |
| 8002488 | Soft close ring binder mechanism | — | 2011-08-23 |
| 7891901 | Ready lock ring binder mechanism | Ho Ping Cheng | 2011-02-22 |
| 7878729 | Intermediate connector for a ring binder mechanism | — | 2011-02-01 |
| 7828491 | Travel bar for use with a ring mechanism | — | 2010-11-09 |
| 7762734 | Ring binder mechanism | — | 2010-07-27 |
| 7758271 | Ring mechanism biased to closed and locked position | — | 2010-07-20 |