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 26–50 of 60 patents

Patent #TitleCo-InventorsDate
9220136 Method and apparatus for controlling a lighting device Pantas Sutardja, Yonghua Song 2015-12-22
9185760 Alternating current (AC) line voltage determination Jinho Choi, Hao Peng, Tuyen Doan 2015-11-10
9185755 Regulator for LED lighting color mixing Sehat Sutardja, Pantas Sutardja 2015-11-10
9179523 Start-up voltage for solid-state lighting controller Young Chul Ryu, Jinho Choi, Chang-yi Qian 2015-11-03
9148921 Method and apparatus for altering a color of a mixture of light provided by mixing outputs of light from multiple lamps Jinho Choi 2015-09-29
9144137 Diode emulator circuit Sehat Sutardja, Pantas Sutardja 2015-09-22
9131567 Temperature foldback circuit for LED load control by constant current source 2015-09-08
9117734 Integrated circuit architecture for light emitting diode-based displays Albert Wu 2015-08-25
9101018 Apparatuses for bleeding current from a transformer of a solid-state light emitting diode Sehat Sutardja, Pantas Sutardja, Jinho Choi 2015-08-04
9065330 Method and apparatus for controlling TRIAC dimmable device Hao Peng, Jinho Choi 2015-06-23
9042124 Circuits and methods for determining peak current Jinho Choi, Hao Peng, Tuyen Doan 2015-05-26
9000684 LED controller with compensation for die-to-die variation and temperature drift Radu Pitigoi-Aron 2015-04-07
8957602 Correlated color temperature control methods and devices Pantas Sutardja 2015-02-17
8947895 Two-peak current control for flyback voltage converters Jinho Choi, Hao Peng, Tuyen Doan 2015-02-03
8937435 Diode bridge Sehat Sutardja 2015-01-20
8896288 TRIAC dimmer detection Jinho Choi, Hao Peng, Tuyen Doan 2014-11-25
8847517 TRIAC dimming systems for solid-state loads Sehat Sutardja, Pantas Sutardja, Jinho Choi 2014-09-30
8811046 Primary side voltage control in flyback converter Yangsoo Park, Jinho Choi 2014-08-19
8803438 Method and apparatus for current control with LED driver Pantas Sutardja, InHwan Oh 2014-08-12
8796954 Dimming control for electronic lamp Radu Pitigoi-Aron, Daniel J. Reed 2014-08-05
8786205 Method and apparatus for LED lighting InHwan Oh 2014-07-22
8766554 Method and apparatus for dimming Jinho Choi, Yangsoo Park 2014-07-01
8749208 Intelligent switching controller and power conversion circuits and methods Jianqing Lin, Shaoan Dai 2014-06-10
8748910 Systems and methods for integrating LED displays and LED display controllers Albert Wu 2014-06-10
8711584 Reducing voltage stress in a flyback converter design Hong Liang Zhang, Sen Dou, Ravishanker Krishnamoorthy, Biing Long Shu 2014-04-29