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CPC
C23C2/28
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Parent Industries
C
CHEMISTRY METALLURGY
C23
Surface treatment
C23C
COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
C23C2/00
Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape Apparatus therefor
Current Industry
C23C2/28
Thermal aftertreatment
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Patents Grants
last 30 patents
Information
Patent Grant
Zinc plated steel sheet having excellent fatigue strength of electr...
Patent number
11,981,973
Issue date
May 14, 2024
Posco
Ki-Cheol Kang
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing high-strength steel parts with improved ductil...
Patent number
11,976,342
Issue date
May 7, 2024
Arcelor Mittal
Sebastian Cobo
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing hot-rolled steel sheet and method for producin...
Patent number
11,965,222
Issue date
Apr 23, 2024
JFE Steel Corporation
Hidekazu Minami
C21 - METALLURGY OF IRON
Information
Patent Grant
Multiphase ultra-high strength hot rolled steel
Patent number
11,965,230
Issue date
Apr 23, 2024
Nucor Corporation
Weiping Sun
C21 - METALLURGY OF IRON
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
Steel sheet, coated steel sheet, method for producing hot-rolled st...
Patent number
11,946,111
Issue date
Apr 2, 2024
JFE Steel Corporation
Hidekazu Minami
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing hot-rolled steel sheet, method for producing c...
Patent number
11,939,640
Issue date
Mar 26, 2024
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
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
High-strength steel sheet and method for manufacturing same
Patent number
11,939,642
Issue date
Mar 26, 2024
JFE Steel Corporation
Hidekazu Minami
C21 - METALLURGY OF IRON
Information
Patent Grant
Heat exchanger for heating gas and use of the heat exchanger
Patent number
11,933,552
Issue date
Mar 19, 2024
BASF SE
Oskar Stephan
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method for manufacturing a sheet metal component from a flat steel...
Patent number
11,920,243
Issue date
Mar 5, 2024
ThyssenKrupp Steel Europe AG
Maria Köyer
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot stamping component and method of manufacturing the same
Patent number
11,913,117
Issue date
Feb 27, 2024
Hyundai Steel Company
Hye Jin Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Zinc alloy coated press-hardenable steels and method of manufacturi...
Patent number
11,913,118
Issue date
Feb 27, 2024
Nucor Corporation
Weiping Sun
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Press hardened steel with extremely high strength and method for pr...
Patent number
11,913,099
Issue date
Feb 27, 2024
Cleveland-Cliffs Steel Properties Inc.
Erik James Pavlina
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot dip galvanized steel sheet and method for producing same
Patent number
11,905,570
Issue date
Feb 20, 2024
Nippon Steel Corporation
Takafumi Yokoyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Alloy coated steel sheet
Patent number
11,905,587
Issue date
Feb 20, 2024
POSCO Co., Ltd
Ji Hoon Yang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Aluminum-based alloy-plated steel sheet having excellent workabilit...
Patent number
11,898,252
Issue date
Feb 13, 2024
Posco
Suk-Kyu Lee
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
High-strength steel sheet having excellent moldability and impact r...
Patent number
11,885,025
Issue date
Jan 30, 2024
Nippon Steel Corporation
Hiroyuki Kawata
C21 - METALLURGY OF IRON
Information
Patent Grant
Galvannealed steel sheet
Patent number
11,884,987
Issue date
Jan 30, 2024
Arcelormittal
David Zapico Alvarez
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot stamped component
Patent number
11,878,488
Issue date
Jan 23, 2024
Nippon Steel Corporation
Akihiro Sengoku
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Plated steel sheet for hot stamping
Patent number
11,866,828
Issue date
Jan 9, 2024
Nippon Steel Corporation
Hiroshi Takebayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steel sheet and method of manufacturing the same
Patent number
11,866,800
Issue date
Jan 9, 2024
Nippon Steel Corporation
Hiroyuki Kawata
C21 - METALLURGY OF IRON
Information
Patent Grant
Zinc-plated steel sheet and manufacturing method thereof
Patent number
11,859,259
Issue date
Jan 2, 2024
Nippon Steel Corporation
Takafumi Yokoyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot-pressed member, cold-rolled steel sheet for hot-pressed member,...
Patent number
11,850,821
Issue date
Dec 26, 2023
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot stamped component
Patent number
11,846,027
Issue date
Dec 19, 2023
Nippon Steel Corporation
Akihiro Sengoku
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Hot rolled coated steel sheet having high strength, high formabilit...
Patent number
11,834,727
Issue date
Dec 5, 2023
POSCO Co., Ltd
Hyun-Taek Na
C21 - METALLURGY OF IRON
Information
Patent Grant
Plating steel sheet for hot press forming, forming member using sam...
Patent number
11,833,778
Issue date
Dec 5, 2023
Posco
Hyeon-Seok Hwang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Coated steel member, coated steel sheet, and methods for producing...
Patent number
11,827,964
Issue date
Nov 28, 2023
Nippon Steel Corporation
Shinichiro Tabata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
CLAD STEEL PLATE, MEMBER, AND PRODUCTION METHODS FOR SAME
Publication number
20240158884
Publication date
May 16, 2024
JFE STEEL CORPORATION
Yoshiyasu KAWASAKI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GALVANIZED STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20240150864
Publication date
May 9, 2024
JFE STEEL CORPORATION
Satoshi MAEDA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GALVANIZED STEEL SHEET AND COLD-ROLLED STEEL SHEET
Publication number
20240150882
Publication date
May 9, 2024
JFE STEEL CORPORATION
Satoshi MAEDA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
BATTERY UNIT
Publication number
20240154208
Publication date
May 9, 2024
NIPPON STEEL CORPORATION
Kyohei MIYAKE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
CLAD STEEL PLATE, MEMBER, AND PRODUCTION METHODS FOR SAME
Publication number
20240150876
Publication date
May 9, 2024
JFE STEEL CORPORATION
Yoshiyasu KAWASAKI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL SHEET AND WELDED JOINT
Publication number
20240141467
Publication date
May 2, 2024
NIPPON STEEL CORPORATION
Yuya SUZUKI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ALLOYED HOT DIP GALVANNEALED STEEL SHEET
Publication number
20240141469
Publication date
May 2, 2024
NIPPON STEEL CORPORATION
Keitaro MATSUDA
C21 - METALLURGY OF IRON
Information
Patent Application
Method for Manufacturing a Sheet Metal Component from a Flat Steel...
Publication number
20240133014
Publication date
Apr 25, 2024
ThyssenKrupp Steel Europe AG
Maria Köyer
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET
Publication number
20240124963
Publication date
Apr 18, 2024
NIPPON STEEL CORPORATION
Satoshi HIRONAKA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GALVANNEALED STEEL SHEET
Publication number
20240110257
Publication date
Apr 4, 2024
ARCELORMITTAL
David ZAPICO ALVAREZ
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, COATED STEEL SHEET, METHOD FOR PRODUCING HOT-ROLLED ST...
Publication number
20240084412
Publication date
Mar 14, 2024
JFE STEEL CORPORATION
Hidekazu Minami
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL SHEET
Publication number
20240084427
Publication date
Mar 14, 2024
NIPPON STEEL CORPORATION
Yuya SUZUKI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HOT-STAMPED PRODUCT
Publication number
20240068080
Publication date
Feb 29, 2024
NIPPON STEEL CORPORATION
Takashi DOI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
PLATED STEEL SHEET FOR HOT PRESS FORMING, AND METHOD OF MANUFACTURI...
Publication number
20240051005
Publication date
Feb 15, 2024
POSCO Co., Ltd
Hyeon-seok Hwang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT SURFA...
Publication number
20240043953
Publication date
Feb 8, 2024
POSCO Co., Ltd
Ki-Cheol Kang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
PLATED STEEL SHEET HAVING EXCELLENT STRENGTH, FORMABILITY AND SURFA...
Publication number
20240043952
Publication date
Feb 8, 2024
POSCO CO., LTD.
Yong-Hoon CHOI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HIGH STRENGTH HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT COATA...
Publication number
20240043954
Publication date
Feb 8, 2024
POSCO Co., Ltd
Young-Ha Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HIGH-STRENGTH GALVANNEALED STEEL SHEET HAVING EXCELLENT POWDERING R...
Publication number
20240026511
Publication date
Jan 25, 2024
POSCO CO., LTD.
Yu-Mi HA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET WITH HIGH DUCTILITY AN...
Publication number
20240026483
Publication date
Jan 25, 2024
POSCO CO., LTD.
Kang-Hyun CHOI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HIGH STRENGTH PLATED STEEL SHEET HAVING EXCELLENT FORMABILITY AND S...
Publication number
20240026484
Publication date
Jan 25, 2024
POSCO CO., LTD.
Yu-Mi HA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT SURFA...
Publication number
20240011120
Publication date
Jan 11, 2024
POSCO Co., Ltd
Ki-Cheol Kang
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
Fe-BASED ELECTROPLATED STEEL SHEET AND GALVANNEALED STEEL SHEET, AN...
Publication number
20240009962
Publication date
Jan 11, 2024
JFE STEEL CORPORATION
Shunsuke YAMAMOTO
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
MODIFIED HOT-DIP GALVANIZE COATINGS WITH LOW LIQUIDUS TEMPERATURE,...
Publication number
20240002994
Publication date
Jan 4, 2024
Colorado School Of Mines
John SPEER
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GALVANIZED STEEL SHEET, ELECTRODEPOSITION-COATED STEEL SHEET, AUTOM...
Publication number
20230407447
Publication date
Dec 21, 2023
JFE STEEL CORPORATION
Shunsuke YAMAMOTO
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
GALVANNEALED STEEL SHEET, ELECTRODEPOSITION-COATED STEEL SHEET, AUT...
Publication number
20230407484
Publication date
Dec 21, 2023
JFE STEEL CORPORATION
Shunsuke YAMAMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
ALLOYED GALVANIZED STEEL SHEET, ELECTRODEPOSITION-COATED STEEL SHEE...
Publication number
20230407485
Publication date
Dec 21, 2023
JFE STEEL CORPORATION
Shunsuke YAMAMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
Method for Producing a Sheet Metal Component by Hot-Forming a Flat...
Publication number
20230366056
Publication date
Nov 16, 2023
ThyssenKrupp Steel Europe AG
Maria Köyer
C21 - METALLURGY OF IRON