Inventor · disambiguated record
Yifeng Wu
Also filed as: WU YIFENG
146 granted patents·9 pending applications·4,944 citations·filing 1996–2025
99Inventor score
Top patents by PatentIndex Score
155 records- 0199US9590494B1Bridgeless power factor correction circuitsTRANSPHORM INC·Filed 2015·Granted Mar 7, 2017·52 cites·20 claims
- 0299US8237198B2Semiconductor heterostructure diodesWU YIFENG·Filed 2011·Granted Aug 7, 2012·102 cites·15 claims
- 0399US7965126B2Bridge circuits and their componentsTRANSPHORM INC·Filed 2009·Granted Jun 21, 2011·118 cites·42 claims
- 0499US7898004B2Semiconductor heterostructure diodesTRANSPHORM INC·Filed 2008·Granted Mar 1, 2011·139 cites·22 claims
- 0598US8803246B2Semiconductor electronic components with integrated current limitersWU YIFENG·Filed 2012·Granted Aug 12, 2014·38 cites·32 claims
- 0698US8648643B2Semiconductor power modules and devicesWU YIFENG·Filed 2012·Granted Feb 11, 2014·39 cites·34 claims
- 0798US8455931B2Package configurations for low EMI circuitsWU YIFENG·Filed 2012·Granted Jun 4, 2013·29 cites·26 claims
- 0898US7985986B2Normally-off semiconductor devicesCREE INC·Filed 2008·Granted Jul 26, 2011·118 cites·25 claims
- 0998US7928475B2Wide bandgap transistor devices with field platesCREE INC·Filed 2007·Granted Apr 19, 2011·97 cites·17 claims
- 1098US7915644B2Wide bandgap HEMTs with source connected field platesCREE INC·Filed 2009·Granted Mar 29, 2011·91 cites·21 claims
- 1198US7893500B2High voltage GaN transistorsCREE INC·Filed 2009·Granted Feb 22, 2011·91 cites·23 claims
- 1298US7884394B2III-nitride devices and circuitsTRANSPHORM INC·Filed 2009·Granted Feb 8, 2011·69 cites·23 claims
- 1398US7875907B2III-nitride bidirectional switchesTRANSPHORM INC·Filed 2008·Granted Jan 25, 2011·118 cites·36 claims
- 1498US7692263B2High voltage GaN transistorsCREE INC·Filed 2006·Granted Apr 6, 2010·110 cites·19 claims
- 1598US7612390B2Heterojunction transistors including energy barriersCREE INC·Filed 2006·Granted Nov 3, 2009·87 cites·44 claims
- 1698US7573078B2Wide bandgap transistors with multiple field platesCREE INC·Filed 2004·Granted Aug 11, 2009·154 cites·20 claims
- 1798US7501669B2Wide bandgap transistor devices with field platesCREE INC·Filed 2004·Granted Mar 10, 2009·192 cites·23 claims
- 1898US7465967B2Group III nitride field effect transistors (FETS) capable of withstanding high temperature reverse bias test conditionsCREE INC·Filed 2005·Granted Dec 16, 2008·94 cites·42 claims
- 1998US7230284B2Insulating gate AlGaN/GaN HEMTCREE INC·Filed 2002·Granted Jun 12, 2007·147 cites·14 claims
- 2097US9660640B2Switching circuits having ferrite beadsTRANSPHORM INC·Filed 2016·Granted May 23, 2017·19 cites·20 claims
- 2197US9226383B2Group III nitride based flip-chip integrated circuit and method for fabricatingCREE INC·Filed 2014·Granted Dec 29, 2015·19 cites·23 claims
- 2297US8592974B2Package configurations for low EMI circuitsTRANSPHORM INC·Filed 2013·Granted Nov 26, 2013·28 cites·23 claims
- 2397US8541818B2Semiconductor heterostructure diodesWU YIFENG·Filed 2012·Granted Sep 24, 2013·30 cites·17 claims
- 2497US8531232B2Inductive load power switching circuitsHONEA JAMES·Filed 2012·Granted Sep 10, 2013·22 cites·18 claims
- 2597US8508281B2Bridge circuits and their componentsHONEA JAMES·Filed 2011·Granted Aug 13, 2013·27 cites·30 claims
- 2697US8289065B2Inductive load power switching circuitsHONEA JAMES·Filed 2009·Granted Oct 16, 2012·32 cites·30 claims
- 2797US8138529B2Package configurations for low EMI circuitsWU YIFENG·Filed 2009·Granted Mar 20, 2012·45 cites·47 claims
- 2897US8120064B2Wide bandgap transistor devices with field platesPARIKH PRIMIT·Filed 2009·Granted Feb 21, 2012·51 cites·24 claims
- 2997US7638818B2Robust transistors with fluorine treatmentCREE INC·Filed 2006·Granted Dec 29, 2009·115 cites·20 claims
- 3097US7566918B2Nitride based transistors for millimeter wave operationCREE INC·Filed 2006·Granted Jul 28, 2009·87 cites·12 claims
- 3197US7550783B2Wide bandgap HEMTs with source connected field platesCREE INC·Filed 2004·Granted Jun 23, 2009·135 cites·22 claims
- 3297US7388236B2High efficiency and/or high power density wide bandgap transistorsCREE INC·Filed 2006·Granted Jun 17, 2008·91 cites·29 claims
- 3397US6849882B2Group-III nitride based high electron mobility transistor (HEMT) with barrier/spacer layerCREE INC·Filed 2002·Granted Feb 1, 2005·312 cites·34 claims
- 3496USD1012261SHandheld fanLIU LIFANG·Filed 2022·Granted Jan 23, 2024·25 cites·1 claims
- 3596US10063138B1Bridgeless power factor correction circuitsTRANSPHORM INC·Filed 2017·Granted Aug 28, 2018·13 cites·20 claims
- 3696US9741702B2Semiconductor power modules and devicesTRANSPHORM INC·Filed 2015·Granted Aug 22, 2017·15 cites·26 claims
- 3796US9690314B2Inductive load power switching circuitsTRANSPHORM INC·Filed 2014·Granted Jun 27, 2017·12 cites·22 claims
- 3896US9543940B2Switching circuits having ferrite beadsTRANSPHORM INC·Filed 2014·Granted Jan 10, 2017·21 cites·26 claims
- 3996US9443849B2Semiconductor electronic components with integrated current limitersTRANSPHORM INC·Filed 2015·Granted Sep 13, 2016·12 cites·20 claims
- 4096US8912839B2Bridge circuits and their componentsTRANSPHORM INC·Filed 2013·Granted Dec 16, 2014·18 cites·39 claims
- 4196US8816497B2Electronic devices and components for high efficiency power circuitsWU YIFENG·Filed 2010·Granted Aug 26, 2014·24 cites·36 claims
- 4296US8816751B2Inductive load power switching circuitsTRANSPHORM INC·Filed 2013·Granted Aug 26, 2014·17 cites·34 claims
- 4396US8716141B2Electrode configurations for semiconductor devicesDORA YUVARAJ·Filed 2011·Granted May 6, 2014·53 cites·19 claims
- 4496US8643062B2III-N device structures and methodsPARIKH PRIMIT·Filed 2011·Granted Feb 4, 2014·28 cites·33 claims
- 4596US8624662B2Semiconductor electronic components and circuitsPARIKH PRIMIT·Filed 2010·Granted Jan 7, 2014·35 cites·45 claims
- 4696US8598937B2High power semiconductor electronic components with increased reliabilityLAL RAKESH K·Filed 2011·Granted Dec 3, 2013·55 cites·85 claims
- 4796US8592868B2Normally-off semiconductor devicesHEIKMAN STEN·Filed 2012·Granted Nov 26, 2013·22 cites·25 claims
- 4896US8493129B2Inductive load power switching circuitsHONEA JAMES·Filed 2012·Granted Jul 23, 2013·22 cites·28 claims
- 4996US7955918B2Robust transistors with fluorine treatmentCREE INC·Filed 2009·Granted Jun 7, 2011·75 cites·31 claims
- 5096US7812369B2Fabrication of single or multiple gate field platesUNIV CALIFORNIA·Filed 2004·Granted Oct 12, 2010·113 cites·23 claims
Showing the top 50 of 155 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →