Inventor
LEE JI SUN
KR68 patents
⚠️ This page may combine multiple inventors who share the name “LEE JI SUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CJ CHEILJEDANG CORP
13 patentsUS10662450B2May 26, 2020
Aspartokinase variant and method for producing L-amino acid using the same
CJ CHEILJEDANG CORP15 citations85
US12584152B2Mar 24, 2026
L-Threonine export protein variant and method for production of L-Threonine using same
CJ CHEILJEDANG CORP0 citations62
US11555213B2Jan 17, 2023
Nucleic acid encoding a modified homoserine dehydrogenase
CJ CHEILJEDANG CORP0 citations62
US11312982B2Apr 26, 2022
Microorganism with improved L-threonine producing capability, and method for producing L-threonine by using the same
CJ CHEILJEDANG CORP0 citations62
US11236374B2Feb 1, 2022
Modified homoserine dehydrogenase and method for producing homoserine or L-amino acid derived from homoserine using the same
CJ CHEILJEDANG CORP0 citations62
US10968467B2Apr 6, 2021
Modified RNA polymerase sigma factor 70 polypeptide
CJ CHEILJEDANG CORP1 citations62
US10760108B2Sep 1, 2020
Modified RNA polymerase sigma factor 70 polypeptide
CJ CHEILJEDANG CORP1 citations62
US11549116B2Jan 10, 2023
Nucleic acid molecules comprising a variant inc coding strand
CJ CHEILJEDANG CORP0 citations61
US11407983B2Aug 9, 2022
Nucleic acid molecules comprising a variant RpoC coding sequence
CJ CHEILJEDANG CORP0 citations61
US11697673B2Jul 11, 2023
Camp receptor protein variant and method of producing L-amino acid using the same
CJ CHEILJEDANG CORP0 citations60
US11473113B2Oct 18, 2022
cAMP receptor protein variant, coding sequence and method of producing L-amino acid using the same
CJ CHEILJEDANG CORP0 citations60
US10202609B2Feb 12, 2019
Microorganisms producing L-amino acids and process for producing L-amino acids using the same
CJ CHEILJEDANG CORP0 citations51
US9758772B2Sep 12, 2017
L-threonine-producing microorganism and production method for L-threonine using the same
CJ CHEILJEDANG CORP0 citations51
KAKAO CORP
10 patentsUS11855950B2Dec 26, 2023
Method and apparatus for displaying interface for providing social networking service through anonymous profile
KAKAO CORP1 citations70
US11082391B2Aug 3, 2021
Method and apparatus for displaying interface for providing social networking service through anonymous profile
KAKAO CORP3 citations70
US11178519B2Nov 16, 2021
Message service provision method for providing message service via open chat room corresponding to link information, and message server and terminal for executing same
KAKAO CORP2 citations68
US11539656B2Dec 27, 2022
Method and apparatus for displaying interface for providing social networking service through anonymous profile
KAKAO CORP0 citations60
US11218436B2Jan 4, 2022
Method and apparatus for displaying interface for providing social networking service through anonymous profile
KAKAO CORP0 citations60
US12284575B2Apr 22, 2025
Message service provision method for providing message service via open chat room corresponding to link information, and message server and terminal for executing same
KAKAO CORP0 citations58
US11778429B2Oct 3, 2023
Message service provision method for providing message service via open chat room corresponding to link information, and message server and terminal for executing same
KAKAO CORP0 citations58
US10795554B2Oct 6, 2020
Method of operating terminal for instant messaging service
KAKAO CORP1 citations57
US12299057B2May 13, 2025
Method and apparatus for managing user profile
KAKAO CORP0 citations54
US11816173B2Nov 14, 2023
Method and apparatus for managing user profile
KAKAO CORP0 citations54
IMMUNOMET THERAPEUTICS INC
9 patentsUS9464042B2Oct 11, 2016
Biguanide derivative, preparation method thereof, and pharmaceutical composition containing same as an active ingredient
IMMUNOMET THERAPEUTICS INC4 citations82
US10590081B2Mar 17, 2020
Guanidine compounds and use thereof
IMMUNOMET THERAPEUTICS INC2 citations71
US10626085B2Apr 21, 2020
Biguanide compound and use thereof
IMMUNOMET THERAPEUTICS INC3 citations70
US10252996B2Apr 9, 2019
N1-cyclic amine-N5-substituted biguanide derivatives, methods of preparing the same and pharmaceutical composition comprising the same
IMMUNOMET THERAPEUTICS INC2 citations70
US10221190B2Mar 5, 2019
Biguanide compounds and use thereof
IMMUNOMET THERAPEUTICS INC2 citations70
US9884821B2Feb 6, 2018
N1-cyclic amine-N5-substituted biguanide derivatives, methods of preparing the same and pharmaceutical composition comprising the same
IMMUNOMET THERAPEUTICS INC3 citations70
US10058558B2Aug 28, 2018
Pharmaceutical composition comprising N1-cyclic amine-N5-substituted biguanide derivatives as an ingredient for preventing or treating fibrosis
IMMUNOMET THERAPEUTICS INC3 citations65
US9993446B2Jun 12, 2018
Biguanide derivative, a preparation method thereof, and a pharmaceutical composition containing the biguanide derivative as an active ingredient
IMMUNOMET THERAPEUTICS INC1 citations61
US11572341B2Feb 7, 2023
Biguanide compound and use thereof
IMMUNOMET THERAPEUTICS INC0 citations60
KIM SUNG WUK
4 patentsUS9133110B2Sep 15, 2015
Biguanide derivative, preparation method thereof, and pharmaceutical composition containing same as an active ingredient
KIM SUNG WUK14 citations91
US9540325B2Jan 10, 2017
N1-cyclic amine-N5-substituted phenyl biguanide derivatives, methods of preparing the same and pharmaceutical composition comprising the same
KIM SUNG WUK10 citations82
US9416098B2Aug 16, 2016
Biguanide derivative, a preparation method thereof and a pharmaceutical composition containing the biguanide derivative as an active ingredient
KIM SUNG WUK6 citations82
US9321742B2Apr 26, 2016
N1-cyclic amine-N5-substituted biguanide derivatives, methods of preparing the same and pharmaceutical composition comprising the same
KIM SUNG WUK8 citations82
CG BIO CO LTD
3 patentsHYUNDAI MOTOR CO LTD
2 patentsJU JAE-YEONG
1 patentSAMSUNG ELECTRONICS CO LTD
1 patentKJ TECH CO LTD
1 patentKIM JI HEA
1 patentHWANG YOUNG KYU
1 patentCHANG JONG-SAN
1 patentLEE JI SUN
1 patentLG ENERGY SOLUTION LTD
1 patentSK ON CO LTD
1 patentShowing the top 50 of 68 patents by PatentIndex Score.