P

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 patents
US7985986B2Jul 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 patents

WU YIFENG

7 patents

PARIKH PRIMIT

2 patents

UNIV CALIFORNIA

1 patent

DORA YUVARAJ

1 patent

LAL RAKESH K

1 patent

HONEA JAMES

1 patent

CREE LIGHTING CO

1 patent

LIU LIFANG

1 patent

Showing the top 50 of 147 patents by PatentIndex Score.