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Gwangyang-si, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Hot press-formed part, and manufacturing method thereof
Patent number
11,998,971
Issue date
Jun 4, 2024
POSCO Co., Ltd
Seong-Woo Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot press forming member having excellent resistance to hydrogen em...
Patent number
11,993,825
Issue date
May 28, 2024
POSCO Co., Ltd
Seong-Woo Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Zinc-plated steel sheet for hot pressing having outstanding surface...
Patent number
11,952,652
Issue date
Apr 9, 2024
POSCO Co., Ltd
Il-Ryoung Sohn
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Al—Fe-alloy plated steel sheet for hot forming, having excellent TW...
Patent number
11,939,651
Issue date
Mar 26, 2024
POSCO Co., Ltd
Seong-Woo Kim
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Manufacturing method of aluminum-based alloy plated steel
Patent number
11,904,572
Issue date
Feb 20, 2024
POSCO Co., Ltd
Jin-Keun Oh
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Hot press-formed part, and manufacturing method thereof
Patent number
11,897,014
Issue date
Feb 13, 2024
POSCO Co., Ltd
Seong-Woo Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot press-formed member having excellent crack propagation resistan...
Patent number
11,827,947
Issue date
Nov 28, 2023
POSCO Co., Ltd
Jin-Keun Oh
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet for hot press formed member having excellent coating ad...
Patent number
11,820,103
Issue date
Nov 21, 2023
POSCO Co., Ltd
Seong-Woo Kim
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steel sheet for hot press formed member having excellent resistance...
Patent number
11,801,664
Issue date
Oct 31, 2023
POSCO Co., Ltd
Seong-Woo Kim
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
Patent number
11,788,166
Issue date
Oct 17, 2023
POSCO Co., Ltd
Jin-Keun Oh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Plated steel sheet for hot press forming having excellent impact pr...
Patent number
11,732,323
Issue date
Aug 22, 2023
Posco
Seong-Woo Kim
B32 - LAYERED PRODUCTS
Information
Patent Grant
Manufacturing method of aluminum-based alloy plated steel
Patent number
11,654,654
Issue date
May 23, 2023
POSCO Co., Ltd
Jin-Keun Oh
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
Patent number
11,624,100
Issue date
Apr 11, 2023
POSCO Co., Ltd
Jin-Keun Oh
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot press-formed part, and manufacturing method thereof
Patent number
11,578,397
Issue date
Feb 14, 2023
POSCO Co., Ltd
Seong-Woo Kim
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steel sheet plated with Al—Fe alloy for hot press forming having ex...
Patent number
11,549,167
Issue date
Jan 10, 2023
Posco
Seong-Woo Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet plated with Al—Fe for hot press forming having excellen...
Patent number
11,529,795
Issue date
Dec 20, 2022
POSCO HOLDINGS INC.
Jin-Keun Oh
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Iron-aluminum-based plated steel sheet for hot press forming, havin...
Patent number
11,491,764
Issue date
Nov 8, 2022
Posco
Jin-Keun Oh
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
Patent number
11,441,205
Issue date
Sep 13, 2022
Posco
Jin-Keun Oh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steel sheet for hot press formed member having excellent resistance...
Patent number
11,338,549
Issue date
May 24, 2022
Posco
Seong-Woo Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Plated steel sheet for hot press forming having excellent impact pr...
Patent number
11,274,357
Issue date
Mar 15, 2022
Posco
Seong-Woo Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet for hot press formed member having excellent coating ad...
Patent number
11,198,272
Issue date
Dec 14, 2021
POSCO
Seong-Woo Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Aluminum-based plated steel having excellent corrosion resistance,...
Patent number
11,167,527
Issue date
Nov 9, 2021
Posco
Jin-Keun Oh
B32 - LAYERED PRODUCTS
Information
Patent Grant
Steel sheet for hot press formed member having excellent painting a...
Patent number
11,141,953
Issue date
Oct 12, 2021
Posco
Jin-Keun Oh
B32 - LAYERED PRODUCTS
Information
Patent Grant
Plated steel sheet for hot press forming having excellent impact pr...
Patent number
10,934,601
Issue date
Mar 2, 2021
Posco
Seong-Woo Kim
B32 - LAYERED PRODUCTS
Information
Patent Grant
Aluminum-iron alloy-coated steel sheet for hot press forming, havin...
Patent number
10,590,522
Issue date
Mar 17, 2020
Posco
Jin-Keun Oh
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot press forming parts having excellent bending properties and met...
Patent number
10,533,237
Issue date
Jan 14, 2020
Posco
Jin-Keun Oh
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet for hot press formed product having superior bendabilit...
Patent number
10,253,388
Issue date
Apr 9, 2019
POSCO
Yeol-Rae Cho
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot press forming parts having excellent bending properties and met...
Patent number
10,151,013
Issue date
Dec 11, 2018
Posco
Jin-Keun Oh
B32 - LAYERED PRODUCTS
Information
Patent Grant
Zinc-plated steel sheet for hot pressing having outstanding surface...
Patent number
9,945,020
Issue date
Apr 17, 2018
Posco
Il-Ryoung Sohn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Steel sheet for hot press forming having low-temperature heat treat...
Patent number
9,255,313
Issue date
Feb 9, 2016
Posco
Yeol Rae Cho
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
ALUMINUM-IRON-PLATED STEEL SHEET, HAVING EXCELLENT MOLD WEAR RESIST...
Publication number
20240084429
Publication date
Mar 14, 2024
POSCO
Jin-Keun Oh
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE...
Publication number
20240051265
Publication date
Feb 15, 2024
POSCO CO., LTD
Seong-Woo KIM
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HOT PRESS-FORMED MEMBER HAVING EXCELLENT CRACK PROPAGATION RESISTAN...
Publication number
20240026479
Publication date
Jan 25, 2024
POSCO Co., Ltd
Jin-Keun OH
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR MANUFACTURING TAILOR WELDED BLANK USING STEEL SHEET FOR...
Publication number
20240011138
Publication date
Jan 11, 2024
POSCO Co., Ltd
Sang-Ho UHM
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL SHEET FOR HOT PRESS FORMED MEMBER
Publication number
20240009963
Publication date
Jan 11, 2024
POSCO CO., LTD.
Seong-Woo KIM
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
Publication number
20230416863
Publication date
Dec 28, 2023
POSCO CO., LTD.
Jin-Keun OH
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
PLATED STEEL SHEETS FOR HOT PRESS FORMING HAVING EXCELLENT HYDROGEN...
Publication number
20230383373
Publication date
Nov 30, 2023
POSCO Co., Ltd
Jin-Keun Oh
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...
Publication number
20230287535
Publication date
Sep 14, 2023
POSCO Co., Ltd
Seong-Woo KIM
C21 - METALLURGY OF IRON
Information
Patent Application
PLATED STEEL SHEETS FOR HOT PRESS FORMING HAVING EXCELLENT HYDROGEN...
Publication number
20230286030
Publication date
Sep 14, 2023
POSCO Co., Ltd
Sang-Heon Kim
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
Publication number
20230235423
Publication date
Jul 27, 2023
POSCO Co., Ltd
Jin-Keun OH
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HOT PRESS-FORMED PART, AND MANUFACTURING METHOD THEREOF
Publication number
20230227956
Publication date
Jul 20, 2023
POSCO CO, LTD
Seong-Woo KIM
C21 - METALLURGY OF IRON
Information
Patent Application
MANUFACTURING METHOD OF ALUMINUM-BASED ALLOY PLATED STEEL
Publication number
20230211581
Publication date
Jul 6, 2023
POSCO Co., Ltd
Jin-Keun OH
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HOT PRESS-FORMED PART, AND MANUFACTURING METHOD THEREOF
Publication number
20230167531
Publication date
Jun 1, 2023
POSCO CO, LTD
Seong-Woo KIM
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
STEEL SHEET PLATED WITH AL-FE FOR HOT PRESS FORMING HAVING EXCELLEN...
Publication number
20230086620
Publication date
Mar 23, 2023
POSCO
Jin-Keun Oh
B32 - LAYERED PRODUCTS
Information
Patent Application
STEEL SHEET PLATED WITH AL-FE ALLOY FOR HOT PRESS FORMING HAVING EX...
Publication number
20230039057
Publication date
Feb 9, 2023
POSCO
Seong-Woo Kim
C21 - METALLURGY OF IRON
Information
Patent Application
IRON-ALUMINUM-BASED PLATED STEEL SHEET FOR HOT PRESS FORMING, HAVIN...
Publication number
20230041587
Publication date
Feb 9, 2023
POSCO
Jin-Keun Oh
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL FOR HOT FORMING, HOT-FORMED MEMBER, AND MANUFACTURING METHODS...
Publication number
20230002873
Publication date
Jan 5, 2023
POSCO
Seong-Woo Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
Publication number
20220389533
Publication date
Dec 8, 2022
POSCO
Jin-Keun OH
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE...
Publication number
20220250353
Publication date
Aug 11, 2022
Posco
Seong-Woo KIM
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...
Publication number
20220162720
Publication date
May 26, 2022
POSCO
Seong-Woo KIM
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT COATING AD...
Publication number
20220055342
Publication date
Feb 24, 2022
POSCO
Seong-Woo KIM
B32 - LAYERED PRODUCTS
Information
Patent Application
STEEL SHEET PLATED WITH AL-FE FOR HOT PRESS FORMING HAVING EXCELLEN...
Publication number
20220048277
Publication date
Feb 17, 2022
POSCO
Jin-Keun Oh
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ALUMINUM-BASED PLATED STEEL PLATE FOR HOT PRESS HAVING EXCELLENT RE...
Publication number
20220049338
Publication date
Feb 17, 2022
POSCO
Jin-Keun Oh
B32 - LAYERED PRODUCTS
Information
Patent Application
STEEL SHEET PLATED WITH AL-FE ALLOY FOR HOT PRESS FORMING HAVING EX...
Publication number
20220049337
Publication date
Feb 17, 2022
POSCO
Seong-Woo Kim
B32 - LAYERED PRODUCTS
Information
Patent Application
IRON-ALUMINUM-BASED PLATED STEEL SHEET FOR HOT PRESS FORMING, HAVIN...
Publication number
20220040957
Publication date
Feb 10, 2022
POSCO
Jin-Keun Oh
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HOT PRESS FORMING MEMBER HAVING EXCELLENT RESISTANCE TO HYDROGEN EM...
Publication number
20220033929
Publication date
Feb 3, 2022
POSCO
Seong-Woo Kim
C21 - METALLURGY OF IRON
Information
Patent Application
PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...
Publication number
20220025479
Publication date
Jan 27, 2022
POSCO
Seong-Woo Kim
C21 - METALLURGY OF IRON
Information
Patent Application
MANUFACTURING METHOD OF ALUMINUM-BASED ALLOY PLATED STEEL
Publication number
20220016870
Publication date
Jan 20, 2022
POSCO
Jin-Keun OH
B32 - LAYERED PRODUCTS
Information
Patent Application
HOT PRESS-FORMED PART, AND MANUFACTURING METHOD THEREOF
Publication number
20210395872
Publication date
Dec 23, 2021
POSCO
Seong-Woo KIM
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT PAINTING A...
Publication number
20210362472
Publication date
Nov 25, 2021
POSCO
Jin-Keun OH
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...