Inventor · disambiguated record
Yuan-Hsiao Chang
Also filed as: CHANG YUAN-HSIAO
17 granted patents·11 pending applications·159 citations·filing 2003–2018
92Inventor score
Files withLIU WEN-HUANG6CHANG YUAN-HSIAO3PHOSTEK INC3SINO AMERICAN SILICON PROD INC3UNI LIGHT TECHNOLOGY INC3
Top patents by PatentIndex Score
28 records- 0194US8835948B2Stacked LED device with diagonal bonding padsCHANG YUAN-HSIAO·Filed 2012·Granted Sep 16, 2014·45 cites·13 claims
- 0293US7759670B2Vertical LED with current guiding structureSEMILEDS OPTOELECTRONICS CO LT·Filed 2008·Granted Jul 20, 2010·24 cites·16 claims
- 0390US8003994B2Vertical LED with current guiding structureSEMILEDS OPTOELECTRONICS CO·Filed 2010·Granted Aug 23, 2011·10 cites·27 claims
- 0485US6884646B1Method for forming an LED device with a metallic substrateUNI LIGHT TECHNOLOGY INC·Filed 2004·Granted Apr 26, 2005·67 cites·20 claims
- 0578US8648370B2Wafer-type light emitting device having precisely coated wavelength-converting layerLIU WEN-HUANG·Filed 2011·Granted Feb 11, 2014·3 cites·26 claims
- 0677US8728834B2Semiconductor device and a method of manufacturing the sameCHANG YUAN-HSIAO·Filed 2012·Granted May 20, 2014·2 cites·10 claims
- 0774US8546818B2Vertical LED with current-guiding structureLIU WEN-HUANG·Filed 2012·Granted Oct 1, 2013·3 cites·9 claims
- 0865US9018025B2Semiconductor device and a method of manufacturing the samePHOSTEK INC·Filed 2014·Granted Apr 28, 2015·0 cites·12 claims
- 0963US8703515B2Method for guiding current in a light emitting diode (LED) deviceSEMILEDS OPTOELECTRONICS CO·Filed 2013·Granted Apr 22, 2014·1 cites·8 claims
- 1062US8614453B2Chip-type light emitting device having precisely coated wavelength-converting layer and packaged structure thereofLIU WEN-HUANG·Filed 2011·Granted Dec 24, 2013·2 cites·10 claims
- 1162US8148733B2Vertical LED with current guiding structureLIU WEN-HUANG·Filed 2011·Granted Apr 3, 2012·1 cites·21 claims
- 1259US10825940B2Polycrystalline silicon column and polycrystalline silicon waferSINO AMERICAN SILICON PROD INC·Filed 2016·Granted Nov 3, 2020·0 cites·7 claims
- 1358US10510830B2N-type polysilicon crystal, manufacturing method thereof, and N-type polysilicon waferSINO AMERICAN SILICON PROD INC·Filed 2018·Granted Dec 17, 2019·0 cites·10 claims
- 1456US10297702B2Polycrystalline silicon column and polycrystalline silicon waferSINO AMERICAN SILICON PROD INC·Filed 2016·Granted May 21, 2019·0 cites·14 claims
- 1549US2009140282A1Led structure for flip-chip package and method thereofUNIT LIGHT TECHNOLOGY INC·Filed 2008·Application pending·0 cites
- 1648US7368369B2Method for activating P-type semiconductor layerUNI LIGHT TECHNOLOGY INC·Filed 2005·Granted May 6, 2008·0 cites·22 claims
- 1744US2006284321A1LED structure for flip-chip package and method thereofUNIT LIGHT TECHNOLOGY INC·Filed 2006·Application pending·0 cites
- 1843US6963167B2Electrode structure for a light-emitting elementUNI LIGHT TECHNOLOGY INC·Filed 2003·Granted Nov 8, 2005·1 cites·12 claims
- 1943US2008217634A1Vertical light-emitting diode structure with omni-directional reflectorLIU WEN-HUANG·Filed 2007·Application pending·0 cites
- 2040US2012264236A1Fluorescent powder applying device and method capable of detecting instantly color temperature of white light in a manufacturing processCHANG LIANN-BE·Filed 2012·Application pending·0 cites
- 2140US2012286064A1Connection-pipe sediment prevention device and methodCHANG LIANN-BE·Filed 2012·Application pending·0 cites
- 2239US2004175904A1Method for activating P-type semiconductor layerFiled 2003·Application pending·0 cites
- 2338US2005230699A1Light-emitting device with improved optical efficiencyWU BOR-JEN·Filed 2005·Application pending·0 cites
- 2438US2013264587A1Stacked led device using oxide bondingCHANG YUAN-HSIAO·Filed 2012·Application pending·0 cites
- 2537US2006286694A1Method for fabricating LEDUNIT LIGHT TECHNOLOGY INC·Filed 2006·Application pending·0 cites
- 2635US2012097985A1Light Emitting Diode (LED) Package And Method Of FabricationLIU WEN-HUANG·Filed 2010·Application pending·0 cites
- 2734US2014055049A1Illuminating devicePHOSTEK INC·Filed 2013·Application pending·0 cites
- 2830US9190586B2Semiconductor light-emitting devicePHOSTEK INC·Filed 2013·Granted Nov 17, 2015·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →