Inventor · disambiguated record
Chang Hwan Choi
Also filed as: CHOI CHANG H · CHOI CHANG HWAN
46 granted patents·44 pending applications·232 citations·filing 1995–2025
97Inventor score
Files withSAMSUNG ELECTRO MECH27SAMSUNG ELECTRONICS CO LTD12KIM CHANGSUNG SEAN8STEVENS INSTITUTE OF TECHNOLOGY8CHOI CHANG-HWAN4
Top patents by PatentIndex Score
90 records- 0193US8754568B2Switched reluctance motorKIM CHANGSUNG SEAN·Filed 2011·Granted Jun 17, 2014·20 cites·16 claims
- 0291US7781778B2Semiconductor light emitting device and method of manufacturing the same employing nanowires and a phosphor filmSAMSUNG ELECTRO MECH·Filed 2007·Granted Aug 24, 2010·39 cites·7 claims
- 0390US8277561B2Chemical vapor deposition apparatusKIM CHANGSUNG SEAN·Filed 2008·Granted Oct 2, 2012·15 cites·15 claims
- 0489US9202523B2Method and apparatus for providing information related to broadcast programsRYU WON-HO·Filed 2010·Granted Dec 1, 2015·13 cites·17 claims
- 0588US11882705B2Three-dimensional semiconductor memory device, operating method of the same and electronic system including the sameSAMSUNG ELECTRONICS CO LTD·Filed 2022·Granted Jan 23, 2024·1 cites·18 claims
- 0688US9185348B2Method of recommending broadcasting contents and recommending apparatus therefor in multimedia contents reproducing deviceCHOI CHANG-HWAN·Filed 2009·Granted Nov 10, 2015·20 cites·17 claims
- 0788US8471268B2Light emitting deviceMOON WON HA·Filed 2011·Granted Jun 25, 2013·7 cites·9 claims
- 0888US2024318345A1Oil-impregnated nanoporous oxide coating for inhibiting aluminum corrosionSTEVENS INSTITUTE OF TECHNOLOGY·Filed 2024·Application pending·0 cites
- 0987US9013000B2Semiconductor device and method of manufacturing the sameSK HYNIX INC·Filed 2013·Granted Apr 21, 2015·6 cites·7 claims
- 1086US8269238B2Photonic crystal light emitting device using photon-recyclingKIM HYUN JUN·Filed 2008·Granted Sep 18, 2012·17 cites·8 claims
- 1186US8030664B2Light emitting deviceSAMSUNG LED CO LTD·Filed 2007·Granted Oct 4, 2011·11 cites·5 claims
- 1283US12211940B2Thin film transistor and vertical non-volatile memory device including transition metal-induced polycrystalline metal oxide channel layerSAMSUNG ELECTRONICS CO LTD·Filed 2024·Granted Jan 28, 2025·0 cites·16 claims
- 1383US12006583B2Oil-impregnated nanoporous oxide coating for inhibiting aluminum corrosionSTEVENS INSTITUTE OF TECHNOLOGY·Filed 2022·Granted Jun 11, 2024·0 cites·8 claims
- 1482US8589995B2Server and method for providing synchronization information, client apparatus and method for synchronizing additional information with broadcast programCHOI CHANG-HWAN·Filed 2010·Granted Nov 19, 2013·5 cites·13 claims
- 1578US12054406B2In situ oil cleanup and recovery using smart polymer integrated surface vesselsSTEVENS INSTITUTE OF TECHNOLOGY·Filed 2022·Granted Aug 6, 2024·0 cites·19 claims
- 1678US11456319B2Three-dimensional semiconductor memory device, operating method of the same and electronic system including the sameUNIV HANYANG IND UNIV COOP FOUND·Filed 2021·Granted Sep 27, 2022·1 cites·15 claims
- 1775US11068667B2Electronic apparatus, controlling method of thereof and non-transitory computer readable recording mediumSAMSUNG ELECTRONICS CO LTD·Filed 2018·Granted Jul 20, 2021·3 cites·19 claims
- 1875US2019242026A1Oil-impregnated nanoporous oxide coating for inhibiting aluminum corrosionSTEVENS INSTITUTE OF TECHNOLOGY·Filed 2019·Application pending·0 cites
- 1974US10892366B2Thin film transistor and vertical non-volatile memory device including transition metal-induced polycrystalline metal oxide channel layerSAMSUNG ELECTRONICS CO LTD·Filed 2019·Granted Jan 12, 2021·1 cites·18 claims
- 2074US8681315B2Tunable two-mirror interference lithography systemMAO WEIDONG·Filed 2012·Granted Mar 25, 2014·4 cites·1 claims
- 2174US8198542B2Flexible printed circuit board and method of manufacturing the sameLEE KYUNG HO·Filed 2008·Granted Jun 12, 2012·5 cites·6 claims
- 2274US2025151331A1Thin film transistor and vertical non-volatile memory device including transition metal-induced polycrystalline metal oxide channel layerSAMSUNG ELECTRONICS CO LTD·Filed 2025·Application pending·0 cites
- 2373US2024224527A1Memory device based on igo channel layer and method of fabricating the sameUNIV HANYANG IND UNIV COOP FOUND·Filed 2024·Application pending·0 cites
- 2471US11942553B2Method for fabricating a semiconductor deviceSAMSUNG ELECTRONICS CO LTD·Filed 2020·Granted Mar 26, 2024·0 cites·14 claims
- 2571US11407657B2In situ oil cleanup and recovery using smart polymer integrated surface vesselsSTEVENS INSTITUTE OF TECHNOLOGY·Filed 2018·Granted Aug 9, 2022·0 cites·19 claims
- 2671US9312190B2Semiconductor device and method of manufacturing the sameSK HYNIX INC·Filed 2015·Granted Apr 12, 2016·1 cites·8 claims
- 2770US8368097B2Light emitting diode package and method of manufacturing the sameSAMSUNG ELECTRONICS CO LTD·Filed 2007·Granted Feb 5, 2013·5 cites·4 claims
- 2870US8083460B2Cable-driven manipulatorLEE JONG KWANG·Filed 2008·Granted Dec 27, 2011·7 cites·11 claims
- 2966US8832929B2Method of manufacturing a flexible printed circuit boardLEE KYUNG HO·Filed 2012·Granted Sep 16, 2014·1 cites·2 claims
- 3066US6826789B1Sofa equipped with radiant heating mattress for fomentation and massageCHOI CHANG-HWAN·Filed 2003·Granted Dec 7, 2004·19 cites·5 claims
- 3165US11720759B2Electronic apparatus, controlling method of thereof and non-transitory computer readable recording mediumSAMSUNG ELECTRONICS CO LTD·Filed 2021·Granted Aug 8, 2023·0 cites·23 claims
- 3265US7675071B2Light emitting transistorSAMSUNG ELECTRO MECH·Filed 2007·Granted Mar 9, 2010·2 cites·8 claims
- 3363US10277951B2Method of recommending broadcasting contents and recommending apparatus therefor in multimedia contents reproducing deviceSAMSUNG ELECTRONICS CO LTD·Filed 2015·Granted Apr 30, 2019·1 cites·18 claims
- 3463US2023183879A1Anti-Corrosive Oil-Impregnated Nanoporous Oxide Coating For Stainless SteelTHE TRUSTEES OF THE STEVENS INST OF TECHOLOGY·Filed 2022·Application pending·0 cites
- 3563US2023175158A1Oil-impregnated nanoporous oxide coatings having bottle-shaped poresSTEVENS INSTITUTE OF TECHNOLOGY·Filed 2022·Application pending·0 cites
- 3660US12221363B2In situ oil cleanup and recovery using smart polymer integrated surface vesselsSTEVENS INSTITUTE OF TECHNOLOGY·Filed 2022·Granted Feb 11, 2025·0 cites·25 claims
- 3760US2021183886A1Memory device based on igo channel layer and method of fabricating the sameIUCF HYU·Filed 2020·Application pending·0 cites
- 3858US9466600B2Semiconductor device and method of manufacturing the sameSK HYNIX INC·Filed 2016·Granted Oct 11, 2016·0 cites·7 claims
- 3957US2011064604A1Particulate tin power and manufacturing method thereofSAMSUNG ELECTRO MECH·Filed 2009·Application pending·0 cites
- 4056US9177869B2Semiconductor device and method of manufacturing the sameSK HYNIX INC·Filed 2015·Granted Nov 3, 2015·0 cites·5 claims
- 4156US7609920B2Optical couplerSAMSUNG ELECTRO MECH·Filed 2008·Granted Oct 27, 2009·1 cites·21 claims
- 4256US2009178615A1Showerhead and chemical vapor deposition apparatus having the sameSAMSUNG ELECTRO MECH·Filed 2008·Application pending·0 cites
- 4354US11616081B2Three-dimensional semiconductor memory device including ferroelectric thin film and manufacturing method of the sameSAMSUNG ELECTRONICS CO LTD·Filed 2021·Granted Mar 28, 2023·0 cites·9 claims
- 4453US2013145397A1Server and method for providing synchronization information, client apparatus and method for synchronizing additional information with broadcast programCHOI CHANG-HWAN·Filed 2013·Application pending·0 cites
- 4552US2009145477A1Solar cellSAMSUNG ELECTRO MECH·Filed 2008·Application pending·0 cites
- 4650US2014255682A1Nanoengineered superhydrophobic anti-corrosive aluminum surfacesSTEVENS INST TECHNOLOGY·Filed 2014·Application pending·0 cites
- 4748USD655722SStator core plate for electric motorKIM CHANGSUNG SEAN·Filed 2011·Granted Mar 13, 2012·8 cites·1 claims
- 4848US2009133750A1Solar cellSAMSUNG ELECTRO MECH·Filed 2008·Application pending·0 cites
- 4948US2012009350A1Electroless autocatalytic tin plating solution and electroless autocatalytic tin plating method using the sameYANG JIN HYUCK·Filed 2010·Application pending·0 cites
- 5047US7839572B2Laminated lens package and method of fabricating the sameSAMSUNG ELECTRO MECH·Filed 2008·Granted Nov 23, 2010·0 cites·6 claims
Showing the top 50 of 90 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →