Inventor · disambiguated record
Chung-Yi Chang
Also filed as: CHANG CHUNG Y · CHANG CHUNG-YI
22 granted patents·8 pending applications·109 citations·filing 1994–2025
93Inventor score
Files withSONAR AUTO PARTS CO LTD9VERSUM MAT US LLC7IND TECH RES INST5IRIS OPTRONICS CO LTD5CHEN CHIH-JEN1
Top patents by PatentIndex Score
30 records- 0197US11828428B1Vehicle lamp structureSONAR AUTO PARTS CO LTD·Filed 2023·Granted Nov 28, 2023·8 cites·15 claims
- 0296US11047545B1Controllable vehicle lamp assemblySONAR AUTO PARTS CO LTD·Filed 2020·Granted Jun 29, 2021·9 cites·9 claims
- 0396US8115718B2Color passive matrix bistable liquid crystal display system and method for driving the sameCHEN CHIH-JEN·Filed 2007·Granted Feb 14, 2012·50 cites·12 claims
- 0484US11852314B1Vehicle lamp having dipped and main beam headlight switching structureSONAR AUTO PARTS CO LTD·Filed 2023·Granted Dec 26, 2023·1 cites·9 claims
- 0581USD987863SLighting unit for vehicle lightSONAR AUTO PARTS CO LTD·Filed 2020·Granted May 30, 2023·8 cites·1 claims
- 0681USD971462SLighting unit for vehicle lightSONAR AUTO PARTS CO LTD·Filed 2020·Granted Nov 29, 2022·8 cites·1 claims
- 0781US11180697B2Etching solution having silicon oxide corrosion inhibitor and method of using the sameVERSUM MAT US LLC·Filed 2019·Granted Nov 23, 2021·2 cites·8 claims
- 0877US12313924B2Self-powered display deviceIRIS OPTRONICS CO LTD·Filed 2023·Granted May 27, 2025·0 cites·3 claims
- 0976US8519994B2Electrophoretic display and method of driving the sameCHIU CHUNG-HSIANG·Filed 2010·Granted Aug 27, 2013·3 cites·11 claims
- 1076US2025264748A1Self-powered display deviceIRIS OPTRONICS CO LTD·Filed 2025·Application pending·0 cites
- 1170US11017995B2Composition for TiN hard mask removal and etch residue cleaningVERSUM MAT US LLC·Filed 2019·Granted May 25, 2021·1 cites·16 claims
- 1264US12235528B2Cholesteric liquid crystal display device, control system, and control method thereofIRIS OPTRONICS CO LTD·Filed 2023·Granted Feb 25, 2025·0 cites·14 claims
- 1362US2024233998A1Electromagnet structure adopted in vehicle lampSONAR AUTO PARTS CO LTD·Filed 2023·Application pending·0 cites
- 1461US12339554B2Self-powered cholesteric liquid crystal display device and maximum power tracking methodIRIS OPTRONICS CO LTD·Filed 2023·Granted Jun 24, 2025·0 cites·8 claims
- 1558US2025373084A1Self-powered display deviceIRIS OPTRONICS CO LTD·Filed 2024·Application pending·0 cites
- 1656US11084684B2Restriction device for preventing deformation of restriction plate of reelCHIPBOND TECHNOLOGY CORP·Filed 2019·Granted Aug 10, 2021·0 cites·13 claims
- 1754US12110436B2Co/Cu selective wet etchantVERSUM MAT US LLC·Filed 2020·Granted Oct 8, 2024·0 cites·21 claims
- 1854US7215317B2Method for modulating backlight sources for flat panel displaysIND TECH RES INST·Filed 2004·Granted May 8, 2007·4 cites·6 claims
- 1953US8088668B2Method for manufacturing capacitor lower electrodes of semiconductor memoryHUANG SHIN BIN·Filed 2010·Granted Jan 3, 2012·1 cites·18 claims
- 2053US5462704AMethod for preparing a porous polyurethane vascular graft prosthesisIND TECH RES INST·Filed 1994·Granted Oct 31, 1995·14 cites·12 claims
- 2153US2024392194A1Post-Dry Etching Photoresist And Metal Containing Residue Removal FormulationVERSUM MAT US LLC·Filed 2022·Application pending·0 cites
- 2252US11890984B1Vehicle lamp having switching structure for low-beam and high-beam headlightsSONAR AUTO PARTS CO LTD·Filed 2022·Granted Feb 6, 2024·0 cites·7 claims
- 2351US12092284B2Vehicle lamp having switching structure for low-beam and high-beam headlightsSONAR AUTO PARTS CO LTD·Filed 2023·Granted Sep 17, 2024·0 cites·11 claims
- 2450US11929257B2Etching solution and method for aluminum nitrideVERSUM MAT US LLC·Filed 2020·Granted Mar 12, 2024·0 cites·21 claims
- 2550US11739900B1Vehicle lamp having switching structure for low-beam and high-beam headlightsSONAR AUTO PARTS CO LTD·Filed 2022·Granted Aug 29, 2023·0 cites·10 claims
- 2648US8054244B2Method and apparatus for driving multi-segment display deviceIND TECH RES INST·Filed 2005·Granted Nov 8, 2011·0 cites·19 claims
- 2747US2007075949A1Gray-scale driving method for bistable chiral nematic liquid crystal displayIND TECH RES INST·Filed 2006·Application pending·0 cites
- 2846US2006279501A1Bi-stable chiral nematic liquid crystal display and driving method for the sameIND TECH RES INST·Filed 2005·Application pending·0 cites
- 2945US2022298417A1Liquid Compositions For Selectively Removing Polysilicon Over P-Doped Silicon And Silicon-Germanium During Manufacture Of A Semiconductor DeviceVERSUM MAT US LLC·Filed 2020·Application pending·0 cites
- 3044US2024103377A1Etching Composition And Method For EUV Mask Protective StructureVERSUM MAT US LLC·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →