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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
High strength steel sheet and method for manufacturing the same
Patent number
12,365,961
Issue date
Jul 22, 2025
JFE Steel Corporation
Kazuki Endoh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Zinc alloy coated press-hardenable steels and method of manufacturi...
Patent number
12,359,294
Issue date
Jul 15, 2025
Nucor Corporation
Weiping Sun
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Coated steel sheet
Patent number
12,351,886
Issue date
Jul 8, 2025
Arcelormittal
Tiago Machado Amorim
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing hardened steel components with a conditioned z...
Patent number
12,344,914
Issue date
Jul 1, 2025
voestalpine STAHL GmbH
Ernst Schachinger
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Zinc plated steel sheet having excellent spot weldability and manuf...
Patent number
12,344,923
Issue date
Jul 1, 2025
POSCO Co., Ltd
Ki-Cheol Kang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength hot-dipped galvanized steel sheet having excellent su...
Patent number
12,331,405
Issue date
Jun 17, 2025
POSCO Co., Ltd
Ki-Cheol Kang
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet plated with Al—Fe for hot press forming having excellen...
Patent number
12,330,391
Issue date
Jun 17, 2025
Posco
Jin-Keun Oh
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Cold-rolled steel sheet and manufacturing method thereof
Patent number
12,331,379
Issue date
Jun 17, 2025
Nippon Steel Corporation
Takuya Nishio
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing a sheet metal component from a flat steel...
Patent number
12,325,921
Issue date
Jun 10, 2025
ThyssenKrupp Steel Europe AG
Maria Köyer
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-dip plated steel material
Patent number
12,320,005
Issue date
Jun 3, 2025
Nippon Steel Corporation
Kohei Tokuda
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Plated steel sheet having excellent strength, formability and surfa...
Patent number
12,305,287
Issue date
May 20, 2025
POSCO Co., Ltd
Yong-Hoon Choi
C21 - METALLURGY OF IRON
Information
Patent Grant
Composite metal foil
Patent number
12,305,309
Issue date
May 20, 2025
Industrial Technology Research Institute
Chiu-Yen Chiu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High strength steel sheet, impact absorbing member, and method for...
Patent number
12,297,543
Issue date
May 13, 2025
JFE Steel Corporation
Yoshiyasu Kawasaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet, member, and method for producing them
Patent number
12,297,515
Issue date
May 13, 2025
JFE Steel Corporation
Yoshiyasu Kawasaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for hot stamping, hot stamping process and hot stamped component
Patent number
12,297,517
Issue date
May 13, 2025
Ironovation Materials Technology Co., Ltd.
Hongliang Yi
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and manufacturing method thereof
Patent number
12,291,759
Issue date
May 6, 2025
Nippon Steel Corporation
Yuya Suzuki
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot dip galvanized steel sheet and method for producing same
Patent number
12,281,392
Issue date
Apr 22, 2025
Nippon Steel Corporation
Takafumi Yokoyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Al plated welded pipe for hardening use and al plated hollow member...
Patent number
12,281,375
Issue date
Apr 22, 2025
Nippon Steel Corporation
Jun Maki
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Press hardening method
Patent number
12,281,366
Issue date
Apr 22, 2025
Arcelormittal
Raisa Grigorieva
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing high-strength hot-dip galvanized steel sheet
Patent number
12,276,006
Issue date
Apr 15, 2025
JFE Steel Corporation
Shunsuke Yamamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Galvanized steel sheet, electrodeposition-coated steel sheet, autom...
Patent number
12,276,028
Issue date
Apr 15, 2025
JFE Steel Corporation
Shunsuke Yamamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of hot press forming a steel article and steel article
Patent number
12,270,093
Issue date
Apr 8, 2025
TATA STEEL IJMUIDEN BV
Radhakanta Rana
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Press hardening method
Patent number
12,270,087
Issue date
Apr 8, 2025
Arcelormittal
Raisa Grigorieva
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet and method for manufacturing same
Patent number
12,270,088
Issue date
Apr 8, 2025
Nippon Steel Corporation
Eriko Tsukamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength steel sheet and method for producing same
Patent number
12,258,646
Issue date
Mar 25, 2025
JFE Steel Corporation
Hidekazu Minami
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength galvanized steel sheet and method for manufacturing t...
Patent number
12,258,644
Issue date
Mar 25, 2025
JFE Steel Corporation
Hiroshi Hasegawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength steel sheet and method for producing the same
Patent number
12,258,645
Issue date
Mar 25, 2025
JFE Steel Corporation
Takuya Hirashima
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for manufacturing a flat steel product having an aluminum-b...
Patent number
12,252,755
Issue date
Mar 18, 2025
ThyssenKrupp Steel Europe AG
Janko Banik
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Device for solidifying a coating layer hot-deposited on a wire, cor...
Patent number
12,247,294
Issue date
Mar 11, 2025
DRUIDS PROCESS TECHNOLOGY, S.L.
Raimon Pérez Soldevila
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet and method for producing same
Patent number
12,247,263
Issue date
Mar 11, 2025
Nippon Steel Corporation
Kohichi Sano
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF MANUFACTURING COMPOSITE METAL FOIL
Publication number
20250230569
Publication date
Jul 17, 2025
Industrial Technology Research Institute
Chiu-Yen Chiu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
COLD-ROLLED STEEL SHEET
Publication number
20250215545
Publication date
Jul 3, 2025
NIPPON STEEL CORPORATION
Takuya NISHIO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HOT-STAMPED COMPONENT HAVING HIGH COLD-BENDING PERFORMANCE AND HIGH...
Publication number
20250215519
Publication date
Jul 3, 2025
Baoshan Iron & Steel Co., Ltd
Ning TAN
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
FLAT STEEL PRODUCT HAVING AN AL COATING, METHOD FOR THE PRODUCTION...
Publication number
20250207236
Publication date
Jun 26, 2025
ThyssenKrupp Steel Europe AG
David Hoffmann
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR PRODUCING HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET
Publication number
20250197984
Publication date
Jun 19, 2025
JFE STEEL CORPORATION
Shunsuke YAMAMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR MANUFACTURING A FLAT STEEL PRODUCT HAVING AN ALUMINUM-B...
Publication number
20250179600
Publication date
Jun 5, 2025
ThyssenKrupp Steel Europe AG
Janko BANIK
C21 - METALLURGY OF IRON
Information
Patent Application
DEHYDROGENATION APPARATUS, STEEL SHEET PRODUCTION SYSTEM, AND METHO...
Publication number
20250179622
Publication date
Jun 5, 2025
JFE STEEL CORPORATION
Kazuki ENDOH
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
STEEL SHEET, MEMBER, METHODS FOR MANUFACTURING THE SAME, METHOD FOR...
Publication number
20250171869
Publication date
May 29, 2025
JFE STEEL CORPORATION
Shinsuke KOMINE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
COLD ROLLED STEEL PLATE FOR GALVANIZED STEEL PLATE, GALVANIZED STEE...
Publication number
20250171884
Publication date
May 29, 2025
Baoshan Iron & Steel Co., Ltd
Shuang XIE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ALUMINUM-ZINC ALLOY PLATED STEEL SHEET HAVING EXCELLENT HOT WORKABI...
Publication number
20250163559
Publication date
May 22, 2025
POSCO CO., LTD.
Suk-Kyu Lee
B32 - LAYERED PRODUCTS
Information
Patent Application
SURFACE MODIFYING METHOD FOR GALVANIZED STEEL SHEET AND SURFACE MOD...
Publication number
20250146116
Publication date
May 8, 2025
POSCO CO., LTD.
Yon-Kyun Song
B32 - LAYERED PRODUCTS
Information
Patent Application
MANUFACTURING METHOD OF ALUMINUM-BASED ALLOY PLATED STEEL
Publication number
20250144915
Publication date
May 8, 2025
POSCO CO., LTD.
Jin-Keun Oh
B32 - LAYERED PRODUCTS
Information
Patent Application
HIGH-STRENGTH HOT DIP-COATED STEEL STRIP WITH PLASTICITY BROUGHT AB...
Publication number
20250146097
Publication date
May 8, 2025
SALZGITTER FLACHSTAHL GMBH
Konstantin Molodov
B32 - LAYERED PRODUCTS
Information
Patent Application
HOT-DIP PLATED STEEL SHEET
Publication number
20250109473
Publication date
Apr 3, 2025
NIPPON STEEL CORPORATION
Tetsuya TOBA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HOT-DIP PLATED STEEL MATERIAL
Publication number
20250109474
Publication date
Apr 3, 2025
NIPPON STEEL CORPORATION
Kohei TOKUDA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PLATED STEEL SHEET HAVING EXCELLENT STRENGTH, FORMABILITY AND SURFA...
Publication number
20250092484
Publication date
Mar 20, 2025
POSCO CO., LTD.
Yu-Mi HA
C21 - METALLURGY OF IRON
Information
Patent Application
LOW-CARBON, LOW-ALLOY AND HIGH-FORMABILITY DUAL-PHASE STEEL HAVING...
Publication number
20250084500
Publication date
Mar 13, 2025
Baoshan Iron & Steel Co., Ltd
Jun LI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GALVANIZED STEEL SHEET AND MEMBER, AND METHOD OF PRODUCING SAME
Publication number
20250084501
Publication date
Mar 13, 2025
JFE STEEL CORPORATION
Sho HIGUCHI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HOT STAMPED STEEL PLATE WITH AL-ZN-MG-SI PLATING AND HOT STAMPING M...
Publication number
20250075292
Publication date
Mar 6, 2025
Baoshan Iron & Steel Co., Ltd
Wenzhen BI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ALUMINUM ALLOY-PLATED STEEL SHEET HAVING EXCELLENT WORKABILITY AND...
Publication number
20250034692
Publication date
Jan 30, 2025
POSCO CO., LTD.
Suk-Kyu Lee
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ALUMINUM-BASED PLATED STEEL PLATE FOR HOT PRESS HAVING EXCELLENT RE...
Publication number
20250011912
Publication date
Jan 9, 2025
POSCO Co., Ltd
Jin-Keun Oh
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET FOR HOT PRESS FORMED MEMBER
Publication number
20250010579
Publication date
Jan 9, 2025
POSCO CO., LTD.
Seong-Woo KIM
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
NON-STAMPED PREALLOYED STEEL COIL, SHEET OR BLANK, PRESS HARDENED C...
Publication number
20250003023
Publication date
Jan 2, 2025
ARCELORMITTAL
Alexandre BLAISE
C21 - METALLURGY OF IRON
Information
Patent Application
Sheet Metal Component and Method for Producing Same
Publication number
20240425946
Publication date
Dec 26, 2024
ThyssenKrupp Steel Europe AG
Jennifer Schulz
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SURFACE TREATMENT COMPOSITION FOR TERNARY HOT DIP GALVANIZED STEEL...
Publication number
20240417860
Publication date
Dec 19, 2024
POSCO CO., LTD
Soo-Hyoun Cho
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20240417820
Publication date
Dec 19, 2024
NIPPON STEEL CORPORATION
Takuya NISHIO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ULTRAHIGH-STRENGTH STEEL SHEET HAVING EXCELLENT YIELD RATIO, AND MA...
Publication number
20240401166
Publication date
Dec 5, 2024
POSCO CO., LTD.
Sea-Woong LEE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING SAME
Publication number
20240368722
Publication date
Nov 7, 2024
JFE STEEL CORPORATION
Yoichiro Matsui
C21 - METALLURGY OF IRON
Information
Patent Application
ZINC PLATED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND SPOT W...
Publication number
20240368724
Publication date
Nov 7, 2024
POSCO Co., Ltd
Ki-Cheol Kang
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING A TEMPERED AND COATED STEEL SHEET HAVING E...
Publication number
20240368745
Publication date
Nov 7, 2024
ARCELORMITTAL
Jean-Marc PIPARD
C21 - METALLURGY OF IRON