QZ

Qiang Zong

BL Bcd Semiconductor Manufacturing Limited: 6 patents #3 of 73Top 5%
Overall (All Time): #644,376 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9853563 Isolated synchronous rectification control circuit, control device, and control method Shouhua Wu, Lei Guan, Zhong Yin 2017-12-26
9520868 Power transistor driving circuits and methods for switching mode power supplies Jinhua Duan, Yajiang Zhu 2016-12-13
9391530 System and method for synchronous rectifier Shaohua Fang, Baozhen Chen, Yajiang Zhu 2016-07-12
9083246 Control circuit for primary side control of switching power supply Huizhen Zhu, Pingan Zhao, Yajiang Zhu 2015-07-14
8559200 Method and apparatus of low current startup circuit for switching mode power supplies Shaohua Fang, Reixia Fei, Jia Xie 2013-10-15
8526202 System and method for synchronous rectifier Shaohua Fang, Baozhen Chen, Yajiang Zhu 2013-09-03
8482943 Power transistor driving circuits and methods for switching mode power supplies Jianhua Duan, Yajiang Zhu 2013-07-09
7894219 Method and apparatus of low current startup circuit for switching mode power supplies Shaohua Fang, Reixia Fei, Jia Xie 2011-02-22