Inventor
WU YIFENG
US147 patents
⚠️ This page may combine multiple inventors who share the name “WU YIFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CREE INC
22 patentsUS7985986B2Jul 26, 2011
Normally-off semiconductor devices
CREE INC118 citations99
US7928475B2Apr 19, 2011
Wide bandgap transistor devices with field plates
CREE INC97 citations99
US7893500B2Feb 22, 2011
High voltage GaN transistors
CREE INC91 citations99
US7692263B2Apr 6, 2010
High voltage GaN transistors
CREE INC110 citations99
US7573078B2Aug 11, 2009
Wide bandgap transistors with multiple field plates
CREE INC154 citations99
US7550783B2Jun 23, 2009
Wide bandgap HEMTs with source connected field plates
CREE INC135 citations99
US7501669B2Mar 10, 2009
Wide bandgap transistor devices with field plates
CREE INC192 citations99
US7230284B2Jun 12, 2007
Insulating gate AlGaN/GaN HEMT
CREE INC147 citations99
US7915644B2Mar 29, 2011
Wide bandgap HEMTs with source connected field plates
CREE INC91 citations98
US7612390B2Nov 3, 2009
Heterojunction transistors including energy barriers
CREE INC87 citations98
US7566918B2Jul 28, 2009
Nitride based transistors for millimeter wave operation
CREE INC87 citations98
US7465967B2Dec 16, 2008
Group III nitride field effect transistors (FETS) capable of withstanding high temperature reverse bias test conditions
CREE INC94 citations98
US7388236B2Jun 17, 2008
High efficiency and/or high power density wide bandgap transistors
CREE INC91 citations98
US7161194B2Jan 9, 2007
High power density and/or linearity transistors
CREE INC114 citations98
US7126426B2Oct 24, 2006
Cascode amplifier structures including wide bandgap field effect transistor with field plates
CREE INC70 citations98
US7638818B2Dec 29, 2009
Robust transistors with fluorine treatment
CREE INC115 citations97
US7955918B2Jun 7, 2011
Robust transistors with fluorine treatment
CREE INC75 citations96
US7851909B2Dec 14, 2010
Group III nitride based flip-chip integrated circuit and method for fabricating
CREE INC29 citations96
US6849882B2Feb 1, 2005
Group-III nitride based high electron mobility transistor (HEMT) with barrier/spacer layer
CREE INC312 citations96
US6825559B2Nov 30, 2004
Group III nitride based flip-chip intergrated circuit and method for fabricating
CREE INC68 citations96
US9226383B2Dec 29, 2015
Group III nitride based flip-chip integrated circuit and method for fabricating
CREE INC19 citations93
US7791285B2Sep 7, 2010
High efficiency AC LED driver circuit
CREE INC27 citations93
TRANSPHORM INC
13 patentsUS7965126B2Jun 21, 2011
Bridge circuits and their components
TRANSPHORM INC118 citations99
US7898004B2Mar 1, 2011
Semiconductor heterostructure diodes
TRANSPHORM INC139 citations99
US9590494B1Mar 7, 2017
Bridgeless power factor correction circuits
TRANSPHORM INC52 citations98
US7884394B2Feb 8, 2011
III-nitride devices and circuits
TRANSPHORM INC69 citations98
US7875907B2Jan 25, 2011
III-nitride bidirectional switches
TRANSPHORM INC118 citations98
US9543940B2Jan 10, 2017
Switching circuits having ferrite beads
TRANSPHORM INC21 citations94
US9741702B2Aug 22, 2017
Semiconductor power modules and devices
TRANSPHORM INC15 citations93
US9224721B2Dec 29, 2015
Semiconductor power modules and devices
TRANSPHORM INC12 citations93
US9190295B2Nov 17, 2015
Package configurations for low EMI circuits
TRANSPHORM INC12 citations93
US9059076B2Jun 16, 2015
Gate drivers for circuits based on semiconductor devices
TRANSPHORM INC16 citations93
US8952750B2Feb 10, 2015
Semiconductor power modules and devices
TRANSPHORM INC16 citations93
US8890314B2Nov 18, 2014
Package configurations for low EMI circuits
TRANSPHORM INC13 citations93
US8592974B2Nov 26, 2013
Package configurations for low EMI circuits
TRANSPHORM INC28 citations93
WU YIFENG
7 patentsUS8237198B2Aug 7, 2012
Semiconductor heterostructure diodes
WU YIFENG102 citations99
US8803246B2Aug 12, 2014
Semiconductor electronic components with integrated current limiters
WU YIFENG38 citations98
US8648643B2Feb 11, 2014
Semiconductor power modules and devices
WU YIFENG39 citations98
US8138529B2Mar 20, 2012
Package configurations for low EMI circuits
WU YIFENG45 citations98
US8816497B2Aug 26, 2014
Electronic devices and components for high efficiency power circuits
WU YIFENG24 citations93
US8455931B2Jun 4, 2013
Package configurations for low EMI circuits
WU YIFENG29 citations93
US8283699B2Oct 9, 2012
GaN based HEMTs with buried field plates
WU YIFENG32 citations93
PARIKH PRIMIT
2 patentsUNIV CALIFORNIA
1 patentDORA YUVARAJ
1 patentLAL RAKESH K
1 patentHONEA JAMES
1 patentCREE LIGHTING CO
1 patentLIU LIFANG
1 patentShowing the top 50 of 147 patents by PatentIndex Score.