Inventor
HU YUEQUAN
US23 patents
⚠️ This page may combine multiple inventors who share the name “HU YUEQUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CREE INC
11 patentsUS9791110B2Oct 17, 2017
High efficiency driver circuit with fast response
CREE INC30 citations93
US9730289B1Aug 8, 2017
Solid state light fixtures having ultra-low dimming capabilities and related driver circuits and methods
CREE INC37 citations93
US9844107B2Dec 12, 2017
High efficiency driver circuitry for a solid state lighting fixture
CREE INC2 citations73
US9866117B2Jan 9, 2018
Power supply with adaptive-controlled output voltage
CREE INC3 citations72
US9330833B2May 3, 2016
Power supply with low electro-magnetic interference and inductor for power supply with low electro-magnetic interference
CREE INC3 citations72
US10271390B2Apr 23, 2019
Solid-state lighting fixture with compound semiconductor driver circuitry
CREE INC1 citations62
US9763297B2Sep 12, 2017
Lighting apparatus and methods using oscillator-based dimming control
CREE INC1 citations52
US9220146B2Dec 22, 2015
Light emitting diode driver with linearly controlled driving current
CREE INC0 citations52
US9425687B2Aug 23, 2016
Methods of operating switched mode power supply circuits using adaptive filtering and related controller circuits
CREE INC1 citations51
US10045418B2Aug 7, 2018
Systems and methods for high output, high color quality light
CREE INC1 citations50
US10070495B2Sep 4, 2018
Controlling the drive signal in a lighting fixture based on ambient temperature
CREE INC0 citations39
HU YUEQUAN
4 patentsUS8975825B2Mar 10, 2015
Light emitting diode driver with isolated control circuits
HU YUEQUAN36 citations93
US8120457B2Feb 21, 2012
Current-controlled variable inductor
HU YUEQUAN28 citations91
US8432104B2Apr 30, 2013
Load current balancing circuit
HU YUEQUAN10 citations83
US8274236B2Sep 25, 2012
Power supply having an auxiliary power stage for sustaining sufficient post ignition current in a DC lamp
HU YUEQUAN0 citations51
DELTA ELECTRONICS INC
3 patentsUS6714428B2Mar 30, 2004
Combined transformer-inductor device for application to DC-to-DC converter with synchronous rectifier
DELTA ELECTRONICS INC58 citations94
US7291983B2Nov 6, 2007
Ballast and igniter for a lamp having larger storage capacitor than charge pump capacitor
DELTA ELECTRONICS INC24 citations89
US7271545B2Sep 18, 2007
Ballast and igniter for a lamp having larger storage capacitor than charge pump capacitor
DELTA ELECTRONICS INC23 citations89
IDEAL IND LIGHTING LLC
3 patentsUSRE49637EAug 29, 2023
Systems and methods for high output, high color quality light
IDEAL IND LIGHTING LLC4 citations73
US12167519B2Dec 10, 2024
Systems and methods for a current sharing driver for light emitting diode
IDEAL IND LIGHTING LLC0 citations62
US10873329B2Dec 22, 2020
High reliability AC load switching circuit
IDEAL IND LIGHTING LLC0 citations37