Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12105545 | Internal power generation circuit | Jiawei Guan, Wenting Shi, Haisong Li, Lixin Zhang | 2024-10-01 |
| 11916477 | Driving power circuit for converter | Haisong Li, Fan Yang, Binsong Tang, Yifan Xiao | 2024-02-27 |
| 11671023 | Power supply control circuit for switch mode power supply converter and power supply control method using the same | Ping Tao, Haijun Zhou, Haisong Li, Wei Gao, Hongxing Li | 2023-06-06 |
| 11604216 | Voltage detection circuit, power supply system and chip | Fan Yang, Xiaokang Wei, Haisong Li | 2023-03-14 |
| 11242859 | Vertical lighting vaneless inverter fan | — | 2022-02-08 |
| 11223269 | Circuit for controlling switching power supply by current limiting and magnetic field detection, and method for controlling switching power supply by using circuit | Ping Tao, Haijun Zhou, Haisong Li, Wei Gao | 2022-01-11 |
| 11056977 | Highly integrated switching power supply and control circuit | Changshen Zhao, Haisong Li, Wenliang Liu, Hao Qin, Kuang-Wei Wang | 2021-07-06 |
| 10355577 | Control circuit and control method of switching power supply | Haisong Li, Changshen Zhao, Wenliang Liu, Biao Zhou, Tao Zhang +1 more | 2019-07-16 |
| 10312816 | Primary controller of switching power supply and switching power supply | Changshen Zhao, Haisong Li, Wenliang Liu | 2019-06-04 |
| 10038437 | High voltage power system with enable control | Haisong Li, Changshen Zhao, Wenliang Liu, Zhijun Wu | 2018-07-31 |
| 10008944 | Control method and control circuit for switching power supply | Haisong Li, Changshen Zhao, Wenliang Liu | 2018-06-26 |
| 9985543 | Switching power supply | Haisong Li, Changshen Zhao, Wenliang Liu, Ping Tao | 2018-05-29 |
| 9923365 | Short-circuit protection circuit for voltage sampling resistor of primary side converter | Haisong Li, Changshen Zhao | 2018-03-20 |
| 9812945 | Circuit structure for enhancing EFT immunity of primary side converter | Haisong Li, Ping Tao, Changshen Zhao | 2017-11-07 |
| 9800164 | Compensation circuit for constant output voltage | Haisong Li, Changshen Zhao, Wenliang Liu | 2017-10-24 |
| 9431892 | High voltage start-up circuit with adjustable start-up time | Haisong Li, Changshen Zhao, Ping Tao | 2016-08-30 |
| 9007099 | Semiconductor device with a current sampler and a start-up structure | Haisong Li, Ping Tao, Wengao Chen, Lixin Zhang | 2015-04-14 |
| 8482064 | Termination for superjunction VDMOSFET | Haisong Li, Qin Wang, Ping Tao, Lixin Zhang | 2013-07-09 |
| 7557634 | Low-power consumption high-voltage CMOS driving circuit | Longxing Shi, Weifeng Sun, Haisong Li, Shengli Lu | 2009-07-07 |