Inventor · disambiguated record
Tzu-Chi Cheng
Also filed as: CHENG TZU C · CHENG TZU HUNG · CHENG TZU-CHI
22 granted patents·12 pending applications·157 citations·filing 2003–2022
94Inventor score
Top patents by PatentIndex Score
34 records- 0198US11949050B2LED assemblyEPISTAR CORP·Filed 2022·Granted Apr 2, 2024·5 cites·10 claims
- 0291US9231171B2Flexible LED assemblies and LED light bulbsHUGA OPTOTECH INC·Filed 2014·Granted Jan 5, 2016·12 cites·13 claims
- 0390US10319886B2LED assembly for omnidirectional light appliancesHUGA OPTOTECH INC·Filed 2018·Granted Jun 11, 2019·4 cites·20 claims
- 0489US9502622B2LED assemblyHUGA OPTOTECH INC·Filed 2014·Granted Nov 22, 2016·6 cites·18 claims
- 0586US8450748B2Solid state light emitting deviceSU HWA·Filed 2010·Granted May 28, 2013·11 cites·29 claims
- 0685US7207691B2Light emitting deviceLEE KUN-CHUI·Filed 2004·Granted Apr 24, 2007·93 cites·1 claims
- 0784US10910528B2LED assemblyEPISTAR CORP·Filed 2019·Granted Feb 2, 2021·2 cites·20 claims
- 0884US9157579B2LED assembly with omnidirectional light fieldHUGA OPTOTECH INC·Filed 2014·Granted Oct 13, 2015·7 cites·20 claims
- 0983US9874318B2LED assembly and LED bulb using the sameEPISTAR CORP·Filed 2015·Granted Jan 23, 2018·5 cites·21 claims
- 1083US9310031B2Light emitting diode bulbINTERLIGHT OPTOTECH CORP·Filed 2013·Granted Apr 12, 2016·6 cites·10 claims
- 1175US10323851B2UV tube for killing microorganisms and air conditioning system comprising the tubeSENTEC E&E CO LTD·Filed 2017·Granted Jun 18, 2019·1 cites·8 claims
- 1274US11450791B2LED assembly for omnidirectional light applicationsEPISTAR CORP·Filed 2021·Granted Sep 20, 2022·0 cites·20 claims
- 1370US9115875B2LED light lamps using stack effect for improving heat dissipationHUGA OPTOTECH INC·Filed 2014·Granted Aug 25, 2015·3 cites·20 claims
- 1467US2023142465A1Led assembly with omnidirectional light fieldEPISTAR CORP·Filed 2022·Application pending·0 cites
- 1563US9546762B2LED assemblyHUGA OPTOTECH INC·Filed 2014·Granted Jan 17, 2017·1 cites·16 claims
- 1662US8450759B2Light emitting diode package structureCHENG TZU-CHI·Filed 2011·Granted May 28, 2013·1 cites·18 claims
- 1759US11543081B2LED assembly with omnidirectional light fieldEPISTAR CORP·Filed 2020·Granted Jan 3, 2023·0 cites·14 claims
- 1858US9947839B2LED assemblyHUGA OPTOTECH INC·Filed 2016·Granted Apr 17, 2018·0 cites·20 claims
- 1952US9755113B2Light emitting deviceINTERLIGHT OPTOTECH CORP·Filed 2016·Granted Sep 5, 2017·0 cites·20 claims
- 2051USRE49031EFlexible LED assemblies and LED light bulbsEPISTAR CORP·Filed 2018·Granted Apr 12, 2022·0 cites·17 claims
- 2150US9534747B2Light-emitting diode assembly and fabrication method thereofHUGA OPTOTECH INC·Filed 2014·Granted Jan 3, 2017·0 cites·10 claims
- 2250US2015003038A1Led assembly with omnidirectional light fieldHUGA OPTOTECH INC·Filed 2014·Application pending·0 cites
- 2349US10724721B2Light emitting diode deviceINTERLIGHT OPTOTECH CORP·Filed 2016·Granted Jul 28, 2020·0 cites·13 claims
- 2444US2013170174A1Multi-cavities light emitting deviceCHOU HSI-YAN·Filed 2011·Application pending·0 cites
- 2541US2004257458A1Aspect-ratio adjustable viewfinder and view-finding method of the sameFiled 2003·Application pending·0 cites
- 2639US9875996B2Composite substrate for light emitting device and LED module with the sameKAISTAR LIGHTING (XIAMEN) CO LTD·Filed 2015·Granted Jan 23, 2018·0 cites·20 claims
- 2736US2011084296A1Light Emitting Diode and Manufacturing Method ThereofINTEMATIX TECHNOLOGY CT CORP·Filed 2010·Application pending·0 cites
- 2835US2007103930A1Assembled device of a light module and a liquid crystal panelLEE KUN-CHUI·Filed 2005·Application pending·0 cites
- 2934US2007103931A1Assembly device for a sidelight light source module and liquid crystal panelLEE KUN-CHUI·Filed 2005·Application pending·0 cites
- 3034US2012326341A1Method for fabricating self assembling light emitting diode lensCHENG TZU-CHI·Filed 2011·Application pending·0 cites
- 3133US2007103900A1White light emitting deviceLEE KUN C·Filed 2005·Application pending·0 cites
- 3233US2006061261A1White light emitting deviceLEE KUN-CHUI·Filed 2004·Application pending·0 cites
- 3332US2005099808A1Light-emitting deviceFiled 2003·Application pending·0 cites
- 3431US2011291114A1Led package structureCHENG TZU-CHI·Filed 2010·Application pending·0 cites
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