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Ferrous alloys
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C22C38/26
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Patents Grants
last 30 patents
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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 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
High-strength seamless steel pipe and method for manufacturing same
Patent number
12,252,756
Issue date
Mar 18, 2025
JFE Steel Corporation
Mitsuhiro Okatsu
C21 - METALLURGY OF IRON
Information
Patent Grant
Wear resistant steel material with excellent cut crack resistance a...
Patent number
12,241,138
Issue date
Mar 4, 2025
Posco
Seng-Ho Yu
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength cold-rolled steel sheet and production method for same
Patent number
12,241,137
Issue date
Mar 4, 2025
JFE Steel Corporation
Yoshie Obata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Cold rolled steel sheet for zirconium-based chemical conversion tre...
Patent number
12,234,556
Issue date
Feb 25, 2025
JFE Steel Corporation
Hayato Takeyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel
Patent number
12,227,817
Issue date
Feb 18, 2025
Nippon Steel Corporation
Shinichiro Tabata
C21 - METALLURGY OF IRON
Information
Patent Grant
Welded member of galvanized steel sheets
Patent number
12,221,701
Issue date
Feb 11, 2025
POSCO Co., Ltd
Ki-Cheol Kang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot-rolled steel sheet
Patent number
12,215,402
Issue date
Feb 4, 2025
Nippon Steel Corporation
Genki Abukawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing rail, and rail
Patent number
12,186,822
Issue date
Jan 7, 2025
JFE Steel Corporation
Naoki Iizuka
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Bake-hardened hot-dip galvanized steel sheet with excellent powderi...
Patent number
12,180,559
Issue date
Dec 31, 2024
POSCO Co., Ltd
Sang-Hyun Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Electric-resistance-welded steel pipe for producing hollow stabiliz...
Patent number
12,172,487
Issue date
Dec 24, 2024
JFE Steel Corporation
Masatoshi Aratani
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High-performance thermoformed component provided with coating, and...
Patent number
12,163,203
Issue date
Dec 10, 2024
Baoshan Iron & Steel Co., Ltd.
Ning Tan
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing a ultra high strength coated or not coated ste...
Patent number
12,157,922
Issue date
Dec 3, 2024
Arcelormittal
Olga A. Girina
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of manufacturing Martensitic steel and a Martensitic steel t...
Patent number
12,157,925
Issue date
Dec 3, 2024
Arcelormittal
Hassan Ghassemi-Armaki
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Hot-pressed member, steel sheet for hot pressing, and methods for p...
Patent number
12,157,924
Issue date
Dec 3, 2024
JFE Steel Corporation
Shuhei Ogawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot-rolled steel sheet for electric resistance welded steel pipe an...
Patent number
12,139,780
Issue date
Nov 12, 2024
JFE Steel Corporation
Akihide Matsumoto
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and method for producing the same
Patent number
12,139,771
Issue date
Nov 12, 2024
JFE Steel Corporation
Lingling Yang
B32 - LAYERED PRODUCTS
Information
Patent Grant
Steel material for steel piston
Patent number
12,134,812
Issue date
Nov 5, 2024
Nippon Steel Corporation
Yutaka Neishi
C21 - METALLURGY OF IRON
Information
Patent Grant
Ultra-fine grained steels having corrosion- fatigue resistance
Patent number
12,129,533
Issue date
Oct 29, 2024
Tenaris Connections B.V.
Martin Bühler
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet for cans and method of producing same
Patent number
12,129,535
Issue date
Oct 29, 2024
JFE Steel Corporation
Nobusuke Kariya
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Parts with a bainitic structure having high strength properties and...
Patent number
12,129,527
Issue date
Oct 29, 2024
Arcelormittal
Marie-Thérèse Perrot-Simonetta
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold-rolled annealed dual-phase steel, steel plate, and manufacturi...
Patent number
12,116,647
Issue date
Oct 15, 2024
Baoshan Iron & Steel Co., Ltd.
Wei Li
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet, production method for non-orie...
Patent number
12,119,706
Issue date
Oct 15, 2024
Nippon Steel Corporation
Yoshiaki Natori
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steel sheet and member, and methods for manufacturing same
Patent number
12,110,568
Issue date
Oct 8, 2024
JFE Steel Corporation
Yoichiro Matsui
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold rolled, coated and post batch annealed steel sheet
Patent number
12,110,570
Issue date
Oct 8, 2024
Arcelormittal
Hyun Jo Jun
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Ultra-high strength hot-rolled steel with toughness and method of m...
Patent number
12,104,232
Issue date
Oct 1, 2024
Big River Steel, LLC
Amar K De
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High chromium and silicon-rich corrosion resistant steel and articl...
Patent number
12,104,233
Issue date
Oct 1, 2024
National Tsing Hua University
Jien-Wei Yeh
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Steel sheet, member, and method for producing them
Patent number
12,098,439
Issue date
Sep 24, 2024
JFE Steel Corporation
Lingling Yang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
HOT-STAMPING FORMED BODY
Publication number
20250101557
Publication date
Mar 27, 2025
NIPPON STEEL CORPORATION
Yuri TODA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME
Publication number
20250101542
Publication date
Mar 27, 2025
JFE STEEL CORPORATION
Yoshiaki ZAIZEN
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRA-HIGH STRENGTH COLD-ROLLED STEEL SHEET AND MANUFACTURING METHO...
Publication number
20250092497
Publication date
Mar 20, 2025
HYUNDAI STEEL COMPANY
Ro Sa Kim
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
STEEL REINFORCEMENT AND METHOD FOR MANUFACTURING THE SAME
Publication number
20250084516
Publication date
Mar 13, 2025
HYUNDAI STEEL COMPANY
Jun Ho Chung
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH AND HIGH FORMABILITY STEEL SHEET HAVING EXCELLENT SPO...
Publication number
20250084517
Publication date
Mar 13, 2025
POSCO CO., LTD
Sung-Kyu Kim
C21 - METALLURGY OF IRON
Information
Patent Application
HOT STAMPED BODY
Publication number
20250084518
Publication date
Mar 13, 2025
NIPPON STEEL CORPORATION
Hitomi NISHIBATA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
STEEL PIPE FOR HIGH-PRESSURE HYDROGEN PIPING AND HIGH-PRESSURE HYDR...
Publication number
20250075831
Publication date
Mar 6, 2025
USUI CO., LTD.
Masato TATENO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250075284
Publication date
Mar 6, 2025
POSCO CO., LTD
Soobin Kwon
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND METHOD OF PRODUCTION OF SAME
Publication number
20250075283
Publication date
Mar 6, 2025
NIPPON STEEL CORPORATION
Kengo TAKEDA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL MATERIAL SUITABLE FOR USE IN SOUR ENVIRONMENT
Publication number
20250066891
Publication date
Feb 27, 2025
NIPPON STEEL CORPORATION
Hiroki KAMITANI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR MANUFACTURING SAME,...
Publication number
20250059618
Publication date
Feb 20, 2025
POSCO CO., LTD
Soobin Kwon
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL SHEET AND PRODUCTION METHOD THEREFOR
Publication number
20250059615
Publication date
Feb 20, 2025
JFE STEEL CORPORATION
Shuji NISHIDA
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRAHIGH-STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT FORMABIL...
Publication number
20250051870
Publication date
Feb 13, 2025
POSCO CO., LTD
Tae-Jin Song
C21 - METALLURGY OF IRON
Information
Patent Application
Zinc Coated Mn-containing advanced high strength steel and method o...
Publication number
20250043407
Publication date
Feb 6, 2025
ARCELORMITTAL
Astrid PERLADE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SEAWATER CORROSION-RESISTANT MARINE ENGINEERING STEEL AND PREPARATI...
Publication number
20250043374
Publication date
Feb 6, 2025
WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Kaiming WU
C21 - METALLURGY OF IRON
Information
Patent Application
HOT STAMPED BODY
Publication number
20250043406
Publication date
Feb 6, 2025
NIPPON STEEL CORPORATION
Kazuma ITO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HOT STAMPED BODY
Publication number
20250034686
Publication date
Jan 30, 2025
NIPPON STEEL CORPORATION
Yuri TODA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Soft Magnetic Powder, Powder Magnetic Core, Magnetic Element, And E...
Publication number
20250029758
Publication date
Jan 23, 2025
SEIKO EPSON CORPORATION
Mayu WATANABE
B22 - CASTING POWDER METALLURGY
Information
Patent Application
COLD ROLLED STEEL SHEET AND METHOD OF MANUFACTURING SAME
Publication number
20250027181
Publication date
Jan 23, 2025
POSCO CO., LTD
Young-Roc Im
C21 - METALLURGY OF IRON
Information
Patent Application
Method for producing a steel sheet having excellent processability...
Publication number
20250011892
Publication date
Jan 9, 2025
ARCELORMITTAL
Deborah HERRY
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD FOR PRODUCING A DUAL-PHASE STEEL STRIP IN A COMBINED CASTING...
Publication number
20250010360
Publication date
Jan 9, 2025
PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Kerstin BAUMGARTNER
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD OF PRODUCING A STEEL SHEET FOR CANS
Publication number
20250011907
Publication date
Jan 9, 2025
JFE STEEL CORPORATION
Nobusuke KARIYA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
FERRITIC STAINLESS-STEEL SHEET
Publication number
20250003039
Publication date
Jan 2, 2025
NIPPON STEEL STAINLESS STEEL CORPORATION
Eiichiro ISHIMARU
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COLD ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Publication number
20250003022
Publication date
Jan 2, 2025
POSCO CO., LTD
Jong-Pan Kong
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND PRESS-FORMED ARTICLE
Publication number
20240425960
Publication date
Dec 26, 2024
NIPPON STEEL CORPORATION
Yasuhiro ITO
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRA-HIGH STRENGTH HOT-ROLLED STEEL WITH TOUGHNESS AND METHOD OF F...
Publication number
20240425958
Publication date
Dec 26, 2024
Big River Steel, LLC
Amar K. De
B22 - CASTING POWDER METALLURGY
Information
Patent Application
FERRITIC STAINLESS STEEL WITH EXCELLENT CLAD SHEET WORKABILITY, AND...
Publication number
20240417832
Publication date
Dec 19, 2024
POSCO CO., LTD
Jieon PARK
C21 - METALLURGY OF IRON
Information
Patent Application
FLAT WIRE AND METHOD FOR PRODUCTION THEREOF
Publication number
20240401172
Publication date
Dec 5, 2024
SUZUKI GARPHYTTAN AB
Oskar FORSMAN
C21 - METALLURGY OF IRON