Issued Patents All Time
Showing 26–50 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10164549 | Power module cascaded converter system | Desheng Guo, Baoyu Liu | 2018-12-25 |
| 10128832 | Converter system, driving circuit and method for semiconductor switch | Lizhi Xu, Weiyi Feng, Hongyang Wu | 2018-11-13 |
| 10109569 | Via structure and circuit board having the via structure | Yuechao Li, Weiyi Feng, Hongyang Wu, Ziying Zhou | 2018-10-23 |
| 9800176 | TNPC inverter device and method for detecting short-circuit thereof | Xibing Ding, Weiyi Feng, Hongyang Wu | 2017-10-24 |
| 9626907 | Driving circuit and organic light emitting display apparatus | Hongjun Xie | 2017-04-18 |
| 9608608 | Power module | Weiyi Feng, Lizhi Xu, Hongyang Wu | 2017-03-28 |
| 9480111 | Apparatus and method for driving semiconductor light-emitting device assembly | Yuanyuan Zhong, Lizhi Xu | 2016-10-25 |
| 9013106 | Lamp ballast having filament heating apparatus for gas discharge lamp | Qi Zhang, Yan Zhong, Ching-Ho Chou, Jianping Ying | 2015-04-21 |
| 9006988 | Method of controlling ignition circuit and ignition circuit using the same | Qi Zhang, Jianping Ying | 2015-04-14 |
| 8994284 | High intensity discharge lamp control circuit and control method | Qi Zhang, Jianping Ying | 2015-03-31 |
| 8946997 | End-of-life detector for gas discharge lamp and the ballast incorporating the same | Yuanyuan Zhong, Jianping Ying | 2015-02-03 |
| 8937440 | Lighting device and voltage reduction method thereof | Lizhi Xu, Yuanyuan Zhong | 2015-01-20 |
| 8917033 | Open circuit protecting circuit, open circuit protecting method and illuminating apparatus | Lizhi Xu, Jianping Ying | 2014-12-23 |
| 8890424 | Illumination device, illumination system, and lamp | Lizhi Xu, Jianping Ying, Ching-Ho Chou, Hsiang-Chen Wu | 2014-11-18 |
| 8892052 | Methods for determining whether a signal includes a wanted signal and apparatuses configured to determine whether a signal includes a wanted signal | Yonghong Zeng, Ser Wah Oh, Tran Phuoc Cuong Le | 2014-11-18 |
| 8884542 | Self-oscillating dimmable electronic ballast | Yan Zhong, Jianping Ying | 2014-11-11 |
| 8884533 | Light emitting diode lighting device and light emitting diode lamp | Lizhi Xu, Jianping Ying | 2014-11-11 |
| 8816609 | Method and circuit for improving crest factor of gas discharge lamp | Qi Zhang, Jianping Ying | 2014-08-26 |
| 8760083 | Ballast with control device for controlling the open-circuit voltage | Qi Zhang, Jianping Ying | 2014-06-24 |
| 8742670 | Electronic ballast | Yan Zhong, Jianping Ying | 2014-06-03 |
| 8692478 | Current balancing circuit | Lizhi Xu, Jianping Ying | 2014-04-08 |
| 8564221 | Driving circuit system for gas discharge lamp and the control method thereof | Qi Zhang, Jianping Ying | 2013-10-22 |
| 8487550 | Multi-channel LED driver circuit | Lizhi Xu, Qi Zhang, Jianping Ying | 2013-07-16 |
| 8436557 | Ballast control circuit and ballast control method for gas discharge lamp | Qi Zhang, Jianping Ying | 2013-05-07 |
| D618927 | Chair | — | 2010-07-06 |