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Won Jin Beom
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Jeollabuk-do, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Carrier-foil-attached ultra-thin copper foil
Patent number
11,917,755
Issue date
Feb 27, 2024
Lotte Energy Materials Corporation
Won Jin Beom
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Surface-treated copper foil, manufacturing method thereof, copper f...
Patent number
11,622,445
Issue date
Apr 4, 2023
Iljin Materials Co., Ltd.
Sang Hwa Yoon
B32 - LAYERED PRODUCTS
Information
Patent Grant
Carrier-foil-attached ultra-thin copper foil
Patent number
11,166,378
Issue date
Nov 2, 2021
Iljin Materials Co., Ltd.
Won Jin Beom
B32 - LAYERED PRODUCTS
Information
Patent Grant
Carrier-foil-attached ultra-thin copper foil
Patent number
11,164,831
Issue date
Nov 2, 2021
Iljin Materials Co., Ltd.
Won Jin Beom
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
ULTRA-THIN COPPER FOIL WITH CARRIER FOIL FOR ALLOWING EASY MICRO-HO...
Publication number
20240407091
Publication date
Dec 5, 2024
Lotte Energy Materials Corporation
Chang Yol YANG
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
ULTRA-THIN COPPER FOIL WITH CARRIER FOIL AND METHOD FOR MANUFACTURI...
Publication number
20240206062
Publication date
Jun 20, 2024
Lotte Energy Materials Corporation
Chang Yol YANG
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
CARRIER-FOIL-ATTACHED ULTRA-THIN COPPER FOIL
Publication number
20230189439
Publication date
Jun 15, 2023
ILJIN Materials Co., Ltd.
Won Jin Beom
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SURFACE-TREATED COPPER FOIL, METHOD FOR PRODUCING SAME, AND NEGATIV...
Publication number
20220399547
Publication date
Dec 15, 2022
ILJIN MATERIALS CO., LTD.
Sang Hwa YOON
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SURFACE-TREATED COPPER FOIL, MANUFACTURING METHOD THEREOF, COPPER F...
Publication number
20210195737
Publication date
Jun 24, 2021
ILJIN MATERIALS CO., LTD.
Sang Hwa Yoon
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
CARRIER-FOIL-ATTACHED ULTRA-THIN COPPER FOIL
Publication number
20190371750
Publication date
Dec 5, 2019
ILJIN Materials Co., Ltd.
Won Jin Beom
B32 - LAYERED PRODUCTS
Information
Patent Application
CARRIER-FOIL-ATTACHED ULTRA-THIN COPPER FOIL
Publication number
20190364664
Publication date
Nov 28, 2019
ILJIN Materials Co., Ltd.
Won Jin Beom
B32 - LAYERED PRODUCTS