Inventor · disambiguated record
Han Kwon Chang
Also filed as: CHANG HAN KWON
12 granted patents·6 pending applications·9 citations·filing 2006–2024
83Inventor score
Files withKOREA INST GEOSCIENCE & MINERA6KOREA INST GEOSCIENCE & MINERAL RESOURCES5JANG HEE DONG3CHANG HAN KWON1KOREA INST OF GEOSCIENCE & MIN1
Top patents by PatentIndex Score
18 records- 0169US2024332657A1Method for recycling waste lithium ion battery, method for smart recycling waste lithium ion battery and system for smart recycling waste lithium ion battery comprising partial melt separation process for lithium alloy compound formation and graphite separationKOREA INST GEOSCIENCE & MINERAL RESOURCES·Filed 2024·Application pending·0 cites
- 0268US8986906B2Method for preparing nanoporous Pt/TiO2 composite particlesJANG HEE DONG·Filed 2011·Granted Mar 24, 2015·1 cites·4 claims
- 0366US8562815B2Glucose sensor having titanium dioxide-graphene compositeJANG HEE-DONG·Filed 2011·Granted Oct 22, 2013·1 cites·5 claims
- 0465US7799303B2Method of preparing silica nanoparticles from siliceous mudstoneKOREA INST GEOSCIENCE & MINERA·Filed 2006·Granted Sep 21, 2010·1 cites·3 claims
- 0564US8187562B2Method for producing cerium dioxide nanopowder by flame spray pyrolysis and cerium dioxide nanopowder produced by the methodCHANG HAN KWON·Filed 2010·Granted May 29, 2012·2 cites·4 claims
- 0663US2024367994A1Method for partially reducing vanadium pentoxide using ammonia solution, and vanadium dioxide powder prepared therebyKOREA INST GEOSCIENCE & MINERAL RESOURCES·Filed 2022·Application pending·0 cites
- 0759US11362326B2Method for preparing silicon-carbon-graphene composite, composite prepared according thereto, and secondary battery to which same is appliedKOREA INST GEOSCIENCE & MINERAL RESOURCES·Filed 2017·Granted Jun 14, 2022·0 cites·16 claims
- 0859US2021242450A1Silicon-carbon-graphene composite and manufacturing method thereof, and lithium ion secondary battery using the sameKOREA INST GEOSCIENCE & MINERAL RESOURCES·Filed 2020·Application pending·0 cites
- 0954US2010316789A1Method of modifying silica nanopowder surfacesKOREA INST GEOSCIENCE & MINERA·Filed 2009·Application pending·0 cites
- 1053US8070981B2Method of fabricating silica-titania nanoporous composite powderJANG HEE DONG·Filed 2008·Granted Dec 6, 2011·0 cites·5 claims
- 1151US8883254B2Method of synthesizing hollow silica from sodium silicateKOREA INST GEOSCIENCE & MINERA·Filed 2013·Granted Nov 11, 2014·0 cites·8 claims
- 1250US9296617B2Method for separating and recovering silicon from silicon sludgeKOREA INST GEOSCIENCE & MINERA·Filed 2012·Granted Mar 29, 2016·0 cites·4 claims
- 1350US7534410B1Method for making silica nanoparticles by flame spray pyrolysis adopting two-fluid nozzleKOREA INST OF GEOSCIENCE & MIN·Filed 2006·Granted May 19, 2009·4 cites·14 claims
- 1448US9272917B2Method of preparing mesoporous silica particles using spray pyrolysisKOREA INST GEOSCIENCE & MINERA·Filed 2012·Granted Mar 1, 2016·0 cites·5 claims
- 1546US2014339078A1Glucose sensor including noble metal-graphene compositesKOREA INST GEOSCIENCE & MINERA·Filed 2013·Application pending·0 cites
- 1643US10822237B2Method for manufacturing graphene ballsKOREA INST GEOSCIENCE & MINERAL RESOURCES·Filed 2017·Granted Nov 3, 2020·0 cites·8 claims
- 1732US8967492B2Droplet generation system and methodNIKOLOV JONIAN·Filed 2011·Granted Mar 3, 2015·0 cites·30 claims
- 1827US2012046159A1Method for recovery of cobalt and manganese from spent cobalt-manganese-bromine (cmb) catalyst and method for producing cmb catalyst including the recovery methodSHIN SHUN MYUNG·Filed 2011·Application pending·0 cites
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