Inventor · disambiguated record
Ji Sun Lee
Also filed as: LEE JI SUN
65 granted patents·34 pending applications·136 citations·filing 2007–2025
98Inventor score
Files withCJ CHEILJEDANG CORP16KAKAO CORP16IMMUNOMET THERAPEUTICS INC12SK ON CO LTD11LG ENERGY SOLUTION LTD7
Top patents by PatentIndex Score
99 records- 0195US10662450B2Aspartokinase variant and method for producing L-amino acid using the sameCJ CHEILJEDANG CORP·Filed 2018·Granted May 26, 2020·15 cites·8 claims
- 0291US11082391B2Method and apparatus for displaying interface for providing social networking service through anonymous profileKAKAO CORP·Filed 2020·Granted Aug 3, 2021·3 cites·8 claims
- 0391US8945907B2Genetically engineered recombinant Escherichia coli producing L-tryptophan having originally L-phenylalanine productivity, and method for producing L-tryptophan using the microorganismJU JAE-YEONG·Filed 2007·Granted Feb 3, 2015·20 cites·3 claims
- 0491US7968507B2Composition for stripping and stripping methodSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Jun 28, 2011·14 cites·35 claims
- 0590US9133110B2Biguanide derivative, preparation method thereof, and pharmaceutical composition containing same as an active ingredientKIM SUNG WUK·Filed 2011·Granted Sep 15, 2015·14 cites·4 claims
- 0688US11855950B2Method and apparatus for displaying interface for providing social networking service through anonymous profileKAKAO CORP·Filed 2022·Granted Dec 26, 2023·1 cites·5 claims
- 0786US2024356002A1Cathode active material for lithium secondary battery, method of preparing the same and lithium secondary battery including the sameSK ON CO LTD·Filed 2024·Application pending·0 cites
- 0885US10377542B2Heat-resistant receptacle capKJ TECH CO LTD·Filed 2016·Granted Aug 13, 2019·7 cites·2 claims
- 0985US9540325B2N1-cyclic amine-N5-substituted phenyl biguanide derivatives, methods of preparing the same and pharmaceutical composition comprising the sameKIM SUNG WUK·Filed 2012·Granted Jan 10, 2017·10 cites·22 claims
- 1085US9464042B2Biguanide derivative, preparation method thereof, and pharmaceutical composition containing same as an active ingredientIMMUNOMET THERAPEUTICS INC·Filed 2015·Granted Oct 11, 2016·4 cites·3 claims
- 1184US9416098B2Biguanide derivative, a preparation method thereof and a pharmaceutical composition containing the biguanide derivative as an active ingredientKIM SUNG WUK·Filed 2011·Granted Aug 16, 2016·6 cites·8 claims
- 1284US9321742B2N1-cyclic amine-N5-substituted biguanide derivatives, methods of preparing the same and pharmaceutical composition comprising the sameKIM SUNG WUK·Filed 2012·Granted Apr 26, 2016·8 cites·15 claims
- 1383US10626085B2Biguanide compound and use thereofIMMUNOMET THERAPEUTICS INC·Filed 2015·Granted Apr 21, 2020·3 cites·7 claims
- 1483US2024413300A1Anode for lithium secondary battery, method of manufacturing the same and lithium secondary battery including the sameSK ON CO LTD·Filed 2024·Application pending·0 cites
- 1582US9884821B2N1-cyclic amine-N5-substituted biguanide derivatives, methods of preparing the same and pharmaceutical composition comprising the sameIMMUNOMET THERAPEUTICS INC·Filed 2014·Granted Feb 6, 2018·3 cites·12 claims
- 1681US12381202B2Anode for lithium secondary battery, method of manufacturing the same and lithium secondary battery including the sameSK ON CO LTD·Filed 2023·Granted Aug 5, 2025·0 cites·5 claims
- 1781US10968467B2Modified RNA polymerase sigma factor 70 polypeptideCJ CHEILJEDANG CORP·Filed 2019·Granted Apr 6, 2021·1 cites·7 claims
- 1881US10252996B2N1-cyclic amine-N5-substituted biguanide derivatives, methods of preparing the same and pharmaceutical composition comprising the sameIMMUNOMET THERAPEUTICS INC·Filed 2017·Granted Apr 9, 2019·2 cites·5 claims
- 1979US8163095B2Composition for stripping and stripping methodLEE JI SUN·Filed 2011·Granted Apr 24, 2012·4 cites·8 claims
- 2079US2025149693A1Secondary battery and battery pack including the sameLG ENERGY SOLUTION LTD·Filed 2024·Application pending·0 cites
- 2179US2025149692A1Secondary battery, method of manufacturing the same and battery pack including the sameLG ENERGY SOLUTION LTD·Filed 2024·Application pending·0 cites
- 2278US10058558B2Pharmaceutical composition comprising N1-cyclic amine-N5-substituted biguanide derivatives as an ingredient for preventing or treating fibrosisIMMUNOMET THERAPEUTICS INC·Filed 2014·Granted Aug 28, 2018·3 cites·10 claims
- 2378US2023108931A1Cathode active material for lithium secondary battery, method of preparing the same and lithium secondary battery including the sameSK ON CO LTD·Filed 2022·Application pending·0 cites
- 2475US11178519B2Message service provision method for providing message service via open chat room corresponding to link information, and message server and terminal for executing sameKAKAO CORP·Filed 2016·Granted Nov 16, 2021·2 cites·17 claims
- 2574US10590081B2Guanidine compounds and use thereofIMMUNOMET THERAPEUTICS INC·Filed 2015·Granted Mar 17, 2020·2 cites·5 claims
- 2674US2025234165A1Message service provision method for providing message service via open chat room corresponding to link information, and message server and terminal for executing sameKAKAO CORP·Filed 2025·Application pending·0 cites
- 2774US2025210668A1Lithium Secondary BatterySK ON CO LTD·Filed 2024·Application pending·0 cites
- 2873US12284575B2Message service provision method for providing message service via open chat room corresponding to link information, and message server and terminal for executing sameKAKAO CORP·Filed 2023·Granted Apr 22, 2025·0 cites·24 claims
- 2973US11555213B2Nucleic acid encoding a modified homoserine dehydrogenaseCJ CHEILJEDANG CORP·Filed 2021·Granted Jan 17, 2023·0 cites·2 claims
- 3073US10760108B2Modified RNA polymerase sigma factor 70 polypeptideCJ CHEILJEDANG CORP·Filed 2015·Granted Sep 1, 2020·1 cites·9 claims
- 3173US10221190B2Biguanide compounds and use thereofIMMUNOMET THERAPEUTICS INC·Filed 2014·Granted Mar 5, 2019·2 cites·4 claims
- 3273US9993446B2Biguanide derivative, a preparation method thereof, and a pharmaceutical composition containing the biguanide derivative as an active ingredientIMMUNOMET THERAPEUTICS INC·Filed 2016·Granted Jun 12, 2018·1 cites·7 claims
- 3373US2025183276A1Anode for lithium secondary battery and lithium secondary battery including the sameSK ON CO LTD·Filed 2024·Application pending·0 cites
- 3472US10795554B2Method of operating terminal for instant messaging serviceKAKAO CORP·Filed 2019·Granted Oct 6, 2020·1 cites·19 claims
- 3572US8569066B2Genetically engineered recombinant Escherichia coli producing L-tryptophan having originally L-phenylalanine productivity, and method for producing L-tryptophan using the microorganismJU JAE-YEONG·Filed 2012·Granted Oct 29, 2013·1 cites·2 claims
- 3672US2024106036A1Pouch Film Laminate and Secondary BatteryLG ENERGY SOLUTION LTD·Filed 2023·Application pending·0 cites
- 3772US2025183275A1Anode for lithium secondary battery and lithium secondary battery including the sameSK ON CO LTD·Filed 2024·Application pending·0 cites
- 3872US2024105952A1Anode for secondary battery and secondary battery comprising the sameSK ON CO LTD·Filed 2023·Application pending·0 cites
- 3972US2024213588A1Pouch Film Laminate and Secondary BatteryLG ENERGY SOLUTION LTD·Filed 2023·Application pending·0 cites
- 4070US12432166B2Method, server, and user terminal for presenting content through chat roomKAKAO CORP·Filed 2023·Granted Sep 30, 2025·0 cites·16 claims
- 4170US11778429B2Message service provision method for providing message service via open chat room corresponding to link information, and message server and terminal for executing sameKAKAO CORP·Filed 2021·Granted Oct 3, 2023·0 cites·20 claims
- 4269US9038409B2Apparatus for treating air by using porous organic-inorganic hybrid materials as an absorbentHWANG YOUNG KYU·Filed 2009·Granted May 26, 2015·2 cites·14 claims
- 4369US2025310339A1Method and apparatus for managing user profileKAKAO CORP·Filed 2025·Application pending·0 cites
- 4469US2025079585A1Secondary battery, method for preparing the same, and battery pack including the sameLG ENERGY SOLUTION LTD·Filed 2024·Application pending·0 cites
- 4568US11539656B2Method and apparatus for displaying interface for providing social networking service through anonymous profileKAKAO CORP·Filed 2021·Granted Dec 27, 2022·0 cites·15 claims
- 4668US11236374B2Modified homoserine dehydrogenase and method for producing homoserine or L-amino acid derived from homoserine using the sameCJ CHEILJEDANG CORP·Filed 2019·Granted Feb 1, 2022·0 cites·16 claims
- 4767US11218436B2Method and apparatus for displaying interface for providing social networking service through anonymous profileKAKAO CORP·Filed 2021·Granted Jan 4, 2022·0 cites·9 claims
- 4867US2023187618A1Cathode active material for lithium secondary battery, method of manufacturing the same and lithium secondary battery including the sameSK ON CO LTD·Filed 2022·Application pending·0 cites
- 4966US2023117843A1Cathode active material for lithium secondary battery and lithium secondary battery including the sameSK ON CO LTD·Filed 2022·Application pending·0 cites
- 5065US9247142B2Method and apparatus for providing the operation state of an external deviceKIM JI HEA·Filed 2010·Granted Jan 26, 2016·3 cites·12 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Ji Sun Lee files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →