Inventor · disambiguated record
Won Seok Chang
Also filed as: CHANG WON SEOK
26 granted patents·15 pending applications·51 citations·filing 2000–2025
93Inventor score
Files withSAMSUNG ELECTRONICS CO LTD13LG CHEMICAL LTD10KOREA DISTR HEATING CORP4KOREA INST MACH & MATERIALS3CHANG WON-SEOK2
Top patents by PatentIndex Score
41 records- 0192US9517936B2Quantum dot stabilized by halogen salt and method for manufacturing the sameKOREA MACH & MATERIALS INST·Filed 2015·Granted Dec 13, 2016·21 cites·6 claims
- 0288US9325004B2Cathode active material, and cathode and magnesium secondary battery including the cathode active materialSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Apr 26, 2016·6 cites·18 claims
- 0386US11631888B2Amorphous nitrogen-rich solid state lithium electrolyteSAMSUNG ELECTRONICS CO LTD·Filed 2020·Granted Apr 18, 2023·1 cites·25 claims
- 0485US12347827B2Bilayer component for a lithium batterySAMSUNG ELECTRONICS CO LTD·Filed 2023·Granted Jul 1, 2025·0 cites·9 claims
- 0584US12261268B2Lithium solid electrolyte and method of manufacture thereofSAMSUNG ELECTRONICS CO LTD·Filed 2023·Granted Mar 25, 2025·0 cites·21 claims
- 0684US12211971B2Amorphous nitrogen-rich solid state lithium electrolyteSAMSUNG ELECTRONICS CO LTD·Filed 2023·Granted Jan 28, 2025·0 cites·18 claims
- 0784US2025023096A1Multi-phase electrolyte film and method of making the sameSAMSUNG ELECTRONICS CO LTD·Filed 2024·Application pending·0 cites
- 0883US2025253393A1Bilayer component for a lithium batterySAMSUNG ELECTRONICS CO LTD·Filed 2025·Application pending·0 cites
- 0978US7976985B2Electrode active material for secondary batteryLG CHEMICAL LTD·Filed 2006·Granted Jul 12, 2011·3 cites·20 claims
- 1077US2025192227A1Amorphous nitrogen-rich solid state lithium electrolyteSAMSUNG ELECTRONICS CO LTD·Filed 2025·Application pending·0 cites
- 1174US11699811B2Bilayer component for a lithium batterySAMSUNG ELECTRONICS CO LTD·Filed 2020·Granted Jul 11, 2023·0 cites·19 claims
- 1272US12132167B2Multi-phase electrolyte film and method of making the sameSAMSUNG ELECTRONICS CO LTD·Filed 2021·Granted Oct 29, 2024·0 cites·6 claims
- 1372US9819048B2Method of manufacturing secondary batteryLG CHEMICAL LTD·Filed 2013·Granted Nov 14, 2017·1 cites·14 claims
- 1472US2022135428A1Transition Metal Precursor Having Low Tap Density And Lithium Transition Metal Oxide Having High Particle StrengthLG CHEMICAL LTD·Filed 2022·Application pending·0 cites
- 1571US11757127B2Lithium solid electrolyte and method of manufacture thereofSAMSUNG ELECTRONICS CO LTD·Filed 2020·Granted Sep 12, 2023·0 cites·17 claims
- 1671US9644077B2Method for forming quantum dot thin filmKOREA MACH & MATERIALS INST·Filed 2014·Granted May 9, 2017·1 cites·8 claims
- 1771US8530089B2Negative electrode, lithium battery employing the same, and method of preparing the negative electrodeIM DONG-MIN·Filed 2010·Granted Sep 10, 2013·1 cites·17 claims
- 1867US2024363866A1Coating for negative electrode and solid-state batteries comprising sameFACTORIAL INC·Filed 2024·Application pending·0 cites
- 1966US2025144696A1Pouch Folding Device for Secondary Battery and Secondary BatteryLG ENERGY SOLUTION LTD·Filed 2023·Application pending·0 cites
- 2065US12327661B2Transparent conductor including nanostructure and manufacturing method thereofKOREA INST MACH & MATERIALS·Filed 2021·Granted Jun 10, 2025·0 cites·3 claims
- 2164US11848410B2Battery cell and method for manufacturing battery cellLG CHEMICAL LTD·Filed 2020·Granted Dec 19, 2023·0 cites·7 claims
- 2264US10062896B2Method of manufacturing secondary batteryLG CHEMICAL LTD·Filed 2013·Granted Aug 28, 2018·0 cites·3 claims
- 2363US9819045B2Method of manufacturing secondary batteryLG CHEMICAL LTD·Filed 2013·Granted Nov 14, 2017·0 cites·18 claims
- 2461US11577969B2Transition metal precursor having low tap density and lithium transition metal oxide having high particle strengthLG CHEMICAL LTD·Filed 2014·Granted Feb 14, 2023·0 cites·2 claims
- 2560US2023361338A1Solid-state battery and method of manufacturing solid-state battery utilizing spray pyrolysisSAMSUNG ELECTRONICS CO LTD·Filed 2022·Application pending·0 cites
- 2660US2024139436A1Apparatus and method for controlling injection of drug into object, and recording medium storing computer program for performing the methodSEOUL NAT UNIV R&DB FOUNDATION·Filed 2023·Application pending·0 cites
- 2760US2025028247A1Digital exposure systemKOREA INST MACH & MATERIALS·Filed 2022·Application pending·0 cites
- 2857US6461522B1Wastewater treatment by catalytic oxidationKOREA INST SCI & TECH·Filed 2000·Granted Oct 8, 2002·17 cites·4 claims
- 2953US2018351154A1Battery cell and method for manufacturing battery cellLG CHEMICAL LTD·Filed 2017·Application pending·0 cites
- 3051US12357942B2Hybrid system of carbon dioxide compact membrane separation and carbon recycling for urban power plant for effluent carbon dioxide concentration controlKOREA DISTR HEATING CORP·Filed 2022·Granted Jul 15, 2025·0 cites·18 claims
- 3151US12023626B2System for capturing and recycling carbon dioxide in exhaust gasKOREA DISTR HEATING CORP·Filed 2018·Granted Jul 2, 2024·0 cites·4 claims
- 3249US9475001B2Extracting device supplying fixed quantity of exhaust gas for industrial facilityKOREA DISTR HEATING CORP·Filed 2014·Granted Oct 25, 2016·0 cites·9 claims
- 3349US9478804B2Cathode active material, cathode including the cathode active material, and sodium secondary battery including the cathodeSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Oct 25, 2016·0 cites·15 claims
- 3448US2007122710A1High-capacity electrode active material for secondary batteryLG CHEMICAL LTD·Filed 2006·Application pending·0 cites
- 3548US2007099088A1Electrode active material for secondary batteryLG CHEMICAL LTD·Filed 2006·Application pending·0 cites
- 3644US10143940B2Separating apparatus for nanoparticles and separating apparatus using the sameKOREA INST MACH & MATERIALS·Filed 2015·Granted Dec 4, 2018·0 cites·13 claims
- 3742US8309879B2Processing apparatus using ultrashort pulse laserCHANG WON-SEOK·Filed 2007·Granted Nov 13, 2012·0 cites·6 claims
- 3837US10005997B2Multi-functional port for microalgae cultivation and harvestingKOREA DISTR HEATING CORP·Filed 2016·Granted Jun 26, 2018·0 cites·2 claims
- 3937US2008141979A1Injector clamp for vehicleCHANG WON-SEOK·Filed 2007·Application pending·0 cites
- 4037US2012079824A1System for correcting turbo lagSON JIN WOOK·Filed 2011·Application pending·0 cites
- 4136US2012079823A1System for Correcting Turbo LagSON JIN WOOK·Filed 2010·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →