Inventor
SONG KI DEOK
KR21 patents
⚠️ This page may combine multiple inventors who share the name “SONG KI DEOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ILJIN MAT CO LTD
20 patentsUS9899683B2Feb 20, 2018
Electrolytic copper foil, electric component and battery including the same
ILJIN MAT CO LTD13 citations82
US11749794B2Sep 5, 2023
Electrolytic copper foil for secondary battery and method for producing the same
ILJIN MAT CO LTD0 citations61
US11629422B2Apr 18, 2023
Electrolytic copper foil for secondary battery, having enhanced flexural resistance, and method for producing same
ILJIN MAT CO LTD0 citations61
US11508967B2Nov 22, 2022
Electrolytic copper foil for secondary battery and method for producing the same
ILJIN MAT CO LTD0 citations61
US11380898B2Jul 5, 2022
Electrolytic copper foil for secondary battery and method for producing the same
ILJIN MAT CO LTD0 citations61
US11362336B2Jun 14, 2022
Electrolytic copper foil and secondary battery using the same
ILJIN MAT CO LTD0 citations61
US11171319B2Nov 9, 2021
Electrolytic copper foil for secondary battery and method for producing the same
ILJIN MAT CO LTD0 citations61
US11162183B2Nov 2, 2021
Electrolytic copper foil for secondary battery, having enhanced physical properties at low temperature, and method for producing same
ILJIN MAT CO LTD0 citations61
US11142838B2Oct 12, 2021
Electrolytic copper foil for secondary battery, having enhanced flexural resistance, and method for producing the same
ILJIN MAT CO LTD0 citations61
US11118279B2Sep 14, 2021
Electrolytic copper foil for secondary battery and method for producing the same
ILJIN MAT CO LTD0 citations61
US10920330B2Feb 16, 2021
Electrolytic copper foil for secondary battery and method for producing the same
ILJIN MAT CO LTD0 citations61
US11917755B2Feb 27, 2024
Carrier-foil-attached ultra-thin copper foil
ILJIN MAT CO LTD0 citations59
US11166378B2Nov 2, 2021
Carrier-foil-attached ultra-thin copper foil
ILJIN MAT CO LTD1 citations59
US11164831B2Nov 2, 2021
Carrier-foil-attached ultra-thin copper foil
ILJIN MAT CO LTD0 citations59
US12255018B2Mar 18, 2025
Nickel foil for production of thin-film capacitor, and manufacturing method for same
ILJIN MAT CO LTD0 citations56
US10826117B2Nov 3, 2020
Electrolytic copper foil for graphene and method for producing the copper foil
ILJIN MAT CO LTD0 citations50
US10686191B2Jun 16, 2020
Electrodeposited copper foil, and electrical component and battery comprising same
ILJIN MAT CO LTD0 citations50
US10626516B2Apr 21, 2020
Electrolytic copper foil for graphene and method for producing the copper foil
ILJIN MAT CO LTD0 citations50
US10158119B2Dec 18, 2018
Electrolytic copper foil, and collector, negative electrode, and lithium battery comprising same
ILJIN MAT CO LTD0 citations50
US10122021B2Nov 6, 2018
Electrolytic copper foil, and collector, negative electrode, and lithium battery comprising same
ILJIN MAT CO LTD0 citations50