Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10199946 | Systems and methods for adjusting peak frequencies with duty cycles | Yuan Lin, Huawei Lyu, Lieyi Fang | 2019-02-05 |
| 10069424 | Systems and methods for voltage control and current control of power conversion systems with multiple operation modes | Yuan Lin, Qiang Luo, Lieyi Fang | 2018-09-04 |
| 9972994 | Systems and methods for over-temperature protection and over-voltage protection for power conversion systems | Huawei Lyu, Qiang Luo, Lieyi Fang | 2018-05-15 |
| 9871451 | Systems and methods for voltage control and current control of power conversion systems with multiple operation modes | Yuan Lin, Qiang Luo, Lieyi Fang | 2018-01-16 |
| 9843263 | Systems and methods for driving a bipolar junction transistor by adjusting base current with time | Xiangkun Zhai, Yuan Lin, Lieyi Fang | 2017-12-12 |
| 9825542 | Systems and methods for adjusting peak frequencies with duty cycles | Yuan Lin, Huawei Lyu, Lieyi Fang | 2017-11-21 |
| 9577536 | System and method providing reliable over current protection for power converter | Dongze Yang, Xiaozhi Kang, Yuan Lin, Huawei Lyu, Lieyi Fang | 2017-02-21 |
| 9431891 | Systems and methods for two-level protection of power conversion systems | Huawei Lv, Chao Yao, Qiang Luo, Lieyi Fang | 2016-08-30 |
| 9397550 | Systems and methods for over-temperature protection and over-voltage protection for power conversion systems | Huawei Lyu, Qiang Luo, Lieyi Fang | 2016-07-19 |
| 9385612 | Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation | Yunchao Zhang, Yaming Cao, Xiuhong Zhang, Lieyi Fang | 2016-07-05 |
| 9106142 | Systems and methods of primary-side sensing and regulation for flyback power converter with high stability | Lieyi Fang | 2015-08-11 |
| 8971062 | Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation | Yaming Cao, Xiuhong Zhang, Lieyi Fang | 2015-03-03 |
| 8723558 | Systems and methods for driving a bipolar junction transistor by adjusting base current with time | Xiangkun Zhai, Yuan Lin, Lieyi Fang | 2014-05-13 |
| 8570771 | Systems and methods of primary-side sensing and regulation for flyback power converter with high stability | Lieyi Fang | 2013-10-29 |
| 8526203 | Systems and methods for constant voltage mode and constant current mode in flyback power converter with primary-side sensing and regulation | Yaming Cao, Xiuhong Zhang, Lieyi Fang | 2013-09-03 |
| 8488342 | Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation | Yunchao Zhang, Yaming Cao, Xiuhong Zhang, Lieyi Fang | 2013-07-16 |
| 8331112 | Systems and methods of primary-side sensing and regulation for flyback power converter with high stability | Lieyi Fang | 2012-12-11 |