Inventor
CHANG SUNG KYUN
KR96 patents
⚠️ This page may combine multiple inventors who share the name “CHANG SUNG KYUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LG CHEMICAL LTD
24 patentsUS9391344B2Jul 12, 2016
Polymer electrolyte and lithium secondary battery including the same
LG CHEMICAL LTD20 citations89
US7935444B2May 3, 2011
Cathode active material for lithium secondary battery
LG CHEMICAL LTD10 citations84
US8026008B2Sep 27, 2011
Lithium secondary battery with improved cell characteristics
LG CHEMICAL LTD13 citations83
US7695867B2Apr 13, 2010
Method for regulating terminal voltage of cathode during overdischarge and cathode active material for lithium secondary battery
LG CHEMICAL LTD8 citations83
US9276259B2Mar 1, 2016
Secondary battery of improved lithium ion mobility and cell capacity
LG CHEMICAL LTD7 citations81
US9331329B2May 3, 2016
Carbon-coated lithium iron phosphate of olivine crystal structure and lithium secondary battery using the same
LG CHEMICAL LTD4 citations73
US9236610B2Jan 12, 2016
Cathode active material for lithium secondary battery
LG CHEMICAL LTD4 citations72
US9142836B2Sep 22, 2015
Anode for secondary battery
LG CHEMICAL LTD2 citations63
US7759006B2Jul 20, 2010
Electrode active material for lithium secondary battery
LG CHEMICAL LTD2 citations63
US9172122B2Oct 27, 2015
Battery module
LG CHEMICAL LTD3 citations62
US9148031B2Sep 29, 2015
Apparatus and method for varying usable band range of battery
LG CHEMICAL LTD2 citations62
US8993174B2Mar 31, 2015
Electrode assembly having novel structure and secondary battery using the same
LG CHEMICAL LTD3 citations62
US8048551B2Nov 1, 2011
Battery safety device and battery having the same
LG CHEMICAL LTD2 citations62
US7785734B2Aug 31, 2010
Secondary battery having an improved safety
LG CHEMICAL LTD2 citations62
US7745040B2Jun 29, 2010
Safety device for preventing overcharge of secondary batteries and secondary batteries therewith
LG CHEMICAL LTD4 citations62
US7629073B2Dec 8, 2009
Safety element for battery and battery with the same
LG CHEMICAL LTD4 citations62
US10559821B2Feb 11, 2020
Cathode active material and lithium secondary battery comprising the same
LG CHEMICAL LTD0 citations52
US9905325B2Feb 27, 2018
Precursor for preparing lithium composite transition metal oxide and method for preparing the same
LG CHEMICAL LTD0 citations52
US9620807B2Apr 11, 2017
Cable-type secondary battery
LG CHEMICAL LTD0 citations52
US9431143B2Aug 30, 2016
Precursor for preparing lithium composite transition metal oxide and method for preparing the same
LG CHEMICAL LTD0 citations52
US9324999B2Apr 26, 2016
Cathode based upon two kinds of compounds and lithium secondary battery comprising the same
LG CHEMICAL LTD0 citations52
US9236608B2Jan 12, 2016
Cathode active material for lithium secondary battery
LG CHEMICAL LTD0 citations52
US9153816B2Oct 6, 2015
Cathode mix for secondary battery and secondary battery comprising the same
LG CHEMICAL LTD0 citations52
US9093678B2Jul 28, 2015
Electrode active material for lithium secondary battery
LG CHEMICAL LTD0 citations52
CHANG SUNG KYUN
14 patentsUS8497039B2Jul 30, 2013
Cathode active material for lithium secondary battery
CHANG SUNG KYUN5 citations84
US8449792B2May 28, 2013
Cathode based upon two kinds of compounds and lithium secondary battery comprising the same
CHANG SUNG KYUN5 citations84
US9225036B2Dec 29, 2015
Additive for electrochemical element to improve safety
CHANG SUNG KYUN4 citations73
US9023525B2May 5, 2015
Cathode active material for lithium secondary battery
CHANG SUNG KYUN4 citations72
US8835055B2Sep 16, 2014
Cathode active material for lithium secondary battery
CHANG SUNG KYUN4 citations72
US9666862B2May 30, 2017
Secondary battery of improved lithium ion mobility and cell capacity
CHANG SUNG KYUN2 citations70
US8993167B2Mar 31, 2015
Cathode materials and lithium secondary battery containing the same
CHANG SUNG KYUN2 citations63
US8329339B2Dec 11, 2012
Cathode active material for lithium secondary battery
CHANG SUNG KYUN2 citations63
US8492032B2Jul 23, 2013
Cathode active material for lithium secondary battery
CHANG SUNG KYUN3 citations62
US8481213B2Jul 9, 2013
Cathode active material for lithium secondary battery
CHANG SUNG KYUN2 citations62
US8277980B2Oct 2, 2012
Cathode active material for lithium secondary battery
CHANG SUNG KYUN3 citations62
US8440354B2May 14, 2013
Cathode active material for lithium secondary battery
CHANG SUNG KYUN3 citations60
US9225019B2Dec 29, 2015
Cathode active material for lithium secondary battery
CHANG SUNG KYUN1 citations52
US9118075B2Aug 25, 2015
Cathode active material for lithium secondary battery
CHANG SUNG KYUN1 citations52
L&F CO LTD
6 patentsUS12381205B2Aug 5, 2025
Positive electrode active material for lithium secondary battery
L&F CO LTD0 citations58
US12155072B2Nov 26, 2024
Precursor particle for preparation of cathode active material for secondary battery and novel precursor powder containing same
L&F CO LTD0 citations58
US12002956B2Jun 4, 2024
Precursor particle for preparation of cathode active material for secondary battery and novel precursor powder containing same
L&F CO LTD0 citations58
US11888130B2Jan 30, 2024
Secondary battery and active material
L&F CO LTD0 citations58
US11394059B2Jul 19, 2022
Secondary battery and active material
L&F CO LTD0 citations58
US12308418B2May 20, 2025
Secondary battery active material
L&F CO LTD0 citations53
CHANG SUNG-KYUN
3 patentsUS8206852B2Jun 26, 2012
Lithium-metal composite oxides and electrochemical device using the same
CHANG SUNG-KYUN21 citations90
US8895190B2Nov 25, 2014
Preparation method of lithium-metal composite oxides
CHANG SUNG-KYUN10 citations82
US9786911B2Oct 10, 2017
Cathode active material and lithium secondary battery comprising the same
CHANG SUNG-KYUN0 citations52
SHIN HO SUK
2 patentsPARK SINYOUNG
1 patentShowing the top 50 of 96 patents by PatentIndex Score.