Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12362650 | Switch-mode power converters with control of turning off transistors for zero-voltage switching | Yun Sun, Lieyi Fang | 2025-07-15 |
| 12323067 | Control systems and methods for turning off transistors associated with auxiliary windings and turning on transistors associated with primary windings | Yun Sun, Penglin Yang, Yuan Lin | 2025-06-03 |
| 12301092 | Systems and methods for resistance adjustment related to switch-mode power converters | Yaozhang Chen, Liqiang Zhu | 2025-05-13 |
| 12112001 | Preventing false activations based on don/doff detection for assistant systems | Rongzhou Shen, Amy Lawson Bearman, Shijun Sun, Riza Kazemi | 2024-10-08 |
| 12027960 | Systems and methods for resistance adjustment related to switch-mode power converters | Yaozhang Chen, Liqiang Zhu | 2024-07-02 |
| 11997772 | Systems and methods for controlling power factors of led lighting systems | Liqiang Zhu, Zhilin Fan, Ke Li | 2024-05-28 |
| 11652410 | Systems and methods for output current regulation in power conversion systems | Cong Lan, Lieyi Fang | 2023-05-16 |
| 11540371 | Systems and methods for controlling power factors of LED lighting systems | Liqiang Zhu, Zhilin Fan, Ke Li | 2022-12-27 |
| 11025170 | Systems and methods for reducing switching loss in power conversion systems | Huawei Lv, Zhiliang Chen | 2021-06-01 |
| 10811965 | Systems and methods for output current regulation in power conversion systems | Cong Lan, Lieyi Fang | 2020-10-20 |
| 10686373 | Systems and methods for output current regulation in power conversion systems | Cong Lan, Lieyi Fang | 2020-06-16 |
| 10680525 | Systems and methods for output current regulation in power conversion systems | Xiangkun Zhai, Lieyi Fang | 2020-06-09 |
| 10432096 | Systems and methods for output current regulation in power conversion systems | Xiangkun Zhai, Lleyi Fang | 2019-10-01 |
| 10340795 | Systems and methods for output current regulation in power conversion systems | Cong Lan, Lieyi Fang | 2019-07-02 |
| 10320300 | Systems and methods for reducing switching loss in power conversion systems | Huawei Lv, Zhiliang Chen | 2019-06-11 |
| 10291135 | Systems and methods for regulating power conversion systems operating in quasi-resonant mode | Huawei Lv, Yuan Lin, Lieyi Fang | 2019-05-14 |
| 10270334 | Systems and methods for output current regulation in power conversion systems | Cong Lan, Lieyi Fang | 2019-04-23 |
| 10170999 | Systems and methods for regulating output currents of power conversion systems | Lieyi Fang, Jun Zhou | 2019-01-01 |
| 10003268 | Systems and methods for output current regulation in power conversion systems | Xiangkun Zhai, Lieyi Fang | 2018-06-19 |
| 9960674 | Systems and methods for output current regulation in power conversion systems | Cong Lan, Lieyi Fang | 2018-05-01 |
| 9847728 | Systems and methods for regulating power conversion systems operating in quasi-resonant mode | Huawei Lv, Yuan Lin, Lieyi Fang | 2017-12-19 |
| 9584005 | Systems and methods for regulating output currents of power conversion systems | Lieyi Fang, Jun Zhou | 2017-02-28 |
| 9396547 | Output display for segmented digital volume representing porous media | Naum Derzhi, Jack Dvorkin, Michael Suhrer | 2016-07-19 |
| 9047513 | Method for improving the accuracy of rock property values derived from digital images | Naum Derzhi, Jack Dvorkin, Michael Suhrer | 2015-06-02 |
| 8331626 | Method for estimating material properties of porous media using computer tomographic images thereof | Zbigniew Wojcik, William J. Bosl | 2012-12-11 |