WZ

Wanfeng Zhang

Disney: 56 patents #67 of 6,686Top 2%
HL Huayuan Semiconductor (Shenzhen) Limited: 2 patents #11 of 19Top 60%
IW Iwatt: 2 patents #24 of 46Top 55%
📍 Palo Alto, CA: #262 of 9,675 inventorsTop 3%
🗺 California: #5,800 of 386,348 inventorsTop 2%
Overall (All Time): #39,233 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 51–60 of 60 patents

Patent #TitleCo-InventorsDate
8704455 Average output current estimation using primary-side sensing Jinho Choi, Yangsoo Park 2014-04-22
8698423 Color mixing system with buck-boost and flyback topologies Jinho Choi 2014-04-15
8558474 Method and apparatus for dimming Jinho Choi, Yangsoo Park 2013-10-15
8552658 Light-emitting diode (LED) driver and controller Jianqing Lin, Shaoan Dai 2013-10-08
8520415 Multi-function feedback using an optocoupler Ravishanker Krishnamoorthy, Hong Liang Zhang 2013-08-27
8446108 LED controller with compensation for die-to-die variation and temperature drift Radu Pitigoi-Aron 2013-05-21
8374004 Isolated AC-DC converter with master controller on secondary side and slave controller on primary side Sehat Sutardja, Ravishanker Krishnamoorthy 2013-02-12
8344709 Intelligent switching controller and power conversion circuits and methods Jianqing Lin, Shaoan Dai 2013-01-01
7514913 Parallel current mode control using a direct duty cycle algorithm with low computational requirements to perform power factor correction Yan-Fei Liu, Bin Wu 2009-04-07
7317625 Parallel current mode control using a direct duty cycle algorithm with low computational requirements to perform power factor correction Yan-Fei Liu, Bin Wu 2008-01-08