Inventor · disambiguated record
Wei-Kang Cheng
Also filed as: CHENG WEI-KANG
42 granted patents·9 pending applications·159 citations·filing 2008–2022
97Inventor score
Top patents by PatentIndex Score
51 records- 0194US9123868B2Light emitting element and illumination device thereofFORMOSA EPITAXY INC·Filed 2013·Granted Sep 1, 2015·16 cites·29 claims
- 0293US8188493B2Light emitting diode with independent electrode patternsLI FANG-I·Filed 2010·Granted May 29, 2012·36 cites·10 claims
- 0390US10247395B2Light emitting deviceEPISTAR CORP·Filed 2017·Granted Apr 2, 2019·5 cites·15 claims
- 0490US9065022B2Light emitting apparatusFORMOSA EPITAXY INC·Filed 2013·Granted Jun 23, 2015·7 cites·23 claims
- 0589US9741699B2Light emitting deviceFORMOSA EPITAXY INC·Filed 2015·Granted Aug 22, 2017·5 cites·11 claims
- 0689US9166116B2Light emitting deviceFORMOSA EPITAXY INC·Filed 2013·Granted Oct 20, 2015·6 cites·24 claims
- 0787US9220135B2Light emitting component and light emitting device using sameFORMOSA EPITAXY INC·Filed 2013·Granted Dec 22, 2015·8 cites·12 claims
- 0887US9130129B2Light-emitting diode chipFORMOSA EPITAXY INC·Filed 2012·Granted Sep 8, 2015·5 cites·7 claims
- 0985US10670244B2Light emitting deviceEPISTAR CORP·Filed 2019·Granted Jun 2, 2020·2 cites·19 claims
- 1083US9029898B2Light emitting diode and illumination device using sameFORMOSA EPITAXY INC·Filed 2014·Granted May 12, 2015·6 cites·34 claims
- 1181US10256371B2Light-emitting diode chipEPISTAR CORP·Filed 2015·Granted Apr 9, 2019·3 cites·11 claims
- 1279US11808436B2Light emitting apparatusEPISTAR CORP·Filed 2022·Granted Nov 7, 2023·0 cites·20 claims
- 1379US9661698B2Light emitting component and light emitting device using sameFORMOSA EPITAXY INC·Filed 2014·Granted May 23, 2017·3 cites·15 claims
- 1474US10644209B2Light-emitting device and light-emitting apparatus comprising the sameEPISTAR CORP·Filed 2019·Granted May 5, 2020·1 cites·12 claims
- 1573US11255524B2Light emitting deviceEPISTAR CORP·Filed 2020·Granted Feb 22, 2022·0 cites·19 claims
- 1672US8698175B2Light-emitting diodeCHENG WEI-KANG·Filed 2009·Granted Apr 15, 2014·5 cites·12 claims
- 1772US8053797B2Light-emitting device with reflection layer and structure of the reflection layerFORMOSA EPITAXY INC·Filed 2008·Granted Nov 8, 2011·5 cites·10 claims
- 1871US10306714B2Semiconductor component and light emitting device using sameEPISTAR CORP·Filed 2017·Granted May 28, 2019·1 cites·20 claims
- 1969US9117589B2Capacitor structure and stack-type capacitor structureFORMOSA EPITAXY INC·Filed 2014·Granted Aug 25, 2015·2 cites·19 claims
- 2068US8933469B2High-voltage light-emitting deviceFORMOSA EPITAXY INC·Filed 2012·Granted Jan 13, 2015·2 cites·9 claims
- 2167US11515457B2Light-emitting device and light-emitting apparatus comprising the sameEPISTAR CORP·Filed 2020·Granted Nov 29, 2022·0 cites·12 claims
- 2266US9876153B2Light-emitting deviceEPISTAR CORP·Filed 2015·Granted Jan 23, 2018·1 cites·18 claims
- 2364USD732487SPartial semiconductor light emitting componentFORMOSA EPITAXY INC·Filed 2014·Granted Jun 23, 2015·12 cites·1 claims
- 2463US9368483B2Illumination device capable of decreasing shadow of lighting effectFORMOSA EPITAXY INC·Filed 2013·Granted Jun 14, 2016·0 cites·19 claims
- 2559US10586895B2Light-emitting diode chip having a plurality of indentationsEPISTAR CORP·Filed 2019·Granted Mar 10, 2020·0 cites·8 claims
- 2659US2013320363A1Sapphire substrate configured to form light emitting diode chip providing light in multi-directions, light emitting diode chip, and illumination deviceFORMOSA EPITAXY INC·Filed 2013·Application pending·0 cites
- 2756US9324694B2Light-emitting diodeFORMOSA EPITAXY INC·Filed 2014·Granted Apr 26, 2016·0 cites·22 claims
- 2854US10340431B2Light-emitting device with metal bumpEPISTAR CORP·Filed 2018·Granted Jul 2, 2019·0 cites·15 claims
- 2954USD732488SPartial semiconductor light emitting componentFORMOSA EPITAXY INC·Filed 2014·Granted Jun 23, 2015·8 cites·1 claims
- 3051USD731680SLED unitFORMOSA EPITAXY INC·Filed 2013·Granted Jun 9, 2015·7 cites·1 claims
- 3151US7635871B2Light emitting diode with higher illumination efficiencyFORMOSA EPITAXY INC·Filed 2008·Granted Dec 22, 2009·0 cites·6 claims
- 3249US2017345983A1Light-emitting device and light-emitting apparatus comprising the sameEPISTAR CORP·Filed 2016·Application pending·0 cites
- 3347US8927303B2Method for manufacturing light-emitting diodeCHENG WEI-KANG·Filed 2009·Granted Jan 6, 2015·0 cites·19 claims
- 3447US2015116980A1Illumination systemFORMOSA EPITAXY INC·Filed 2014·Application pending·0 cites
- 3545USD724552SPartial semiconductor light emitting componentFORMOSA EPITAXY INC·Filed 2014·Granted Mar 17, 2015·5 cites·1 claims
- 3645US2010270570A1Light emitting elementCHENG WEI-KANG·Filed 2009·Application pending·0 cites
- 3744US2010270566A1Light emitting device with selective reflection functionCHENG WEI-KANG·Filed 2009·Application pending·0 cites
- 3843US2013009096A1Oxynitride phosphor and method of manufacturing the sameFORMOSA EPITAXY INC·Filed 2012·Application pending·0 cites
- 3943US2013009097A1Oxynitride phosphor and method of manufacturing the sameFORMOSA EPITAXY INC·Filed 2012·Application pending·0 cites
- 4043US2010078671A1Nitride based semiconductor light emitting deviceHUANG KUO-CHIN·Filed 2009·Application pending·0 cites
- 4142USD758329SPartial semiconductor light emitting componentFORMOSA EPITAXY INC·Filed 2014·Granted Jun 7, 2016·4 cites·1 claims
- 4242US9296946B2Method of manufacturing oxynitride phosphorCHU CHENG-I·Filed 2012·Granted Mar 29, 2016·0 cites·6 claims
- 4340USD731088SLED unitFORMOSA EPITAXY INC·Filed 2013·Granted Jun 2, 2015·2 cites·1 claims
- 4437US8658443B2Method for manufacturing light emitting deviceCHENG WEI-KANG·Filed 2010·Granted Feb 25, 2014·0 cites·5 claims
- 4536US2012049216A1Alternating current light-emitting deviceTING YI-SHENG·Filed 2010·Application pending·0 cites
- 4633USD731681SLED unitFORMOSA EPITAXY INC·Filed 2013·Granted Jun 9, 2015·1 cites·1 claims
- 4733USD731090SLED unitFORMOSA EPITAXY INC·Filed 2013·Granted Jun 2, 2015·1 cites·1 claims
- 4831USD731091SLED unitFORMOSA EPITAXY INC·Filed 2013·Granted Jun 2, 2015·0 cites·1 claims
- 4931USD731089SLED unitFORMOSA EPITAXY INC·Filed 2013·Granted Jun 2, 2015·0 cites·1 claims
- 5030USD745194SBase for a light emitting unitFORMOSA EPITAXY INC·Filed 2013·Granted Dec 8, 2015·0 cites·1 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →