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C22C38/54
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Ferrous alloys
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C22C38/54
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Patents Grants
last 30 patents
Information
Patent Grant
Hot-rolled steel sheet and method for manufacturing same
Patent number
12,264,374
Issue date
Apr 1, 2025
Nippon Steel Corporation
Daisuke Ito
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Duplex stainless steel and method for manufacturing same, and duple...
Patent number
12,264,376
Issue date
Apr 1, 2025
JFE Steel Corporation
Kazuki Fujimura
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing thermo-mechanically produced profiled hot-roll...
Patent number
12,258,648
Issue date
Mar 25, 2025
voestapline Stahl GmbH
Wolfgang Ernst
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolled steel sheet having excellent impact resistance, steel pi...
Patent number
12,258,657
Issue date
Mar 25, 2025
POSCO Co., Ltd
Hwan-Goo Seong
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and production method for same
Patent number
12,252,758
Issue date
Mar 18, 2025
Nippon Steel Corporation
Hiroyuki Kawata
B22 - CASTING POWDER METALLURGY
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
Information
Patent Grant
Fastener joint and associated method for avoiding corrosion of diss...
Patent number
12,241,499
Issue date
Mar 4, 2025
UT-Battelle, LLC
Yong Chae Lim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Martensitic stainless steel seamless pipe for oil country tubular g...
Patent number
12,234,525
Issue date
Feb 25, 2025
JFE Steel Corporation
Mami Endo
C21 - METALLURGY OF IRON
Information
Patent Grant
Medium-carbon boron-containing steel and controlled rolling and con...
Patent number
12,234,537
Issue date
Feb 25, 2025
DAYE SPECIAL STEEL CO., LTD.
Nian Zhang
C21 - METALLURGY OF IRON
Information
Patent Grant
Aluminum-plated steel sheet, hot-stamped member, and method for man...
Patent number
12,234,538
Issue date
Feb 25, 2025
Nippon Steel Corporation
Yuki Suzuki
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
High-strength seamless steel pipe and method for manufacturing same
Patent number
12,227,816
Issue date
Feb 18, 2025
JFE Steel Corporation
Mitsuhiro Okatsu
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
Martensitic stainless steel seamless pipe for oil country tubular g...
Patent number
12,221,663
Issue date
Feb 11, 2025
JFE Steel Corporation
Mami Endo
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and method for producing same
Patent number
12,221,666
Issue date
Feb 11, 2025
Nippon Steel Corporation
Kengo Takeda
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Hot-stamping formed body
Patent number
12,221,667
Issue date
Feb 11, 2025
Nippon Steel Corporation
Hiroyuki Nakagawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing rail
Patent number
12,221,660
Issue date
Feb 11, 2025
JFE Steel Corporation
Minoru Honjo
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-pressed member, cold-rolled steel sheet for hot pressing, and m...
Patent number
12,215,405
Issue date
Feb 4, 2025
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Coated steel member, coated steel sheet, and methods for producing...
Patent number
12,215,411
Issue date
Feb 4, 2025
Nippon Steel Corporation
Shinichiro Tabata
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel material having low yield ratio and excellent heat affected z...
Patent number
12,209,294
Issue date
Jan 28, 2025
POSCO Co., Ltd
Jae-Yong Chae
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Automobile undercarriage part
Patent number
12,209,300
Issue date
Jan 28, 2025
Nippon Steel Corporation
Kenichiro Otsuka
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Steel for bolts, and method of manufacturing same
Patent number
12,203,149
Issue date
Jan 21, 2025
JFE Steel Corporation
Masafumi Tada
C21 - METALLURGY OF IRON
Information
Patent Grant
Forged part of bainitic steel and a method of manufacturing thereof
Patent number
12,203,156
Issue date
Jan 21, 2025
Arcelormittal
Victor Bordereau
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolled steel sheet
Patent number
12,203,157
Issue date
Jan 21, 2025
Nippon Steel Corporation
Koutarou Hayashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing grain oriented electrical steel sheet
Patent number
12,195,832
Issue date
Jan 14, 2025
Nippon Steel Corporation
Shinsuke Takatani
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Hot-rolled steel sheet and weld joint, and methods for producing same
Patent number
12,195,817
Issue date
Jan 14, 2025
Nippon Steel Corporation
Takeshi Toyoda
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Austenitic stainless steel and hydrogen resistant member
Patent number
12,188,113
Issue date
Jan 7, 2025
Daido Steel Co., Ltd.
Nobuyuki Takahashi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Steel material for brake disc of motor vehicle having excellent wea...
Patent number
12,188,109
Issue date
Jan 7, 2025
POSCO Co., Ltd
Seng-Ho Yu
C21 - METALLURGY OF IRON
Information
Patent Grant
Austenitic stainless steel material
Patent number
12,188,111
Issue date
Jan 7, 2025
Nippon Steel Corporation
Takahiro Osuki
C21 - METALLURGY OF IRON
Information
Patent Grant
Flux-cored wire, welding method, and weld metal
Patent number
12,186,836
Issue date
Jan 7, 2025
Kobe Steel, Ltd.
Naoki Mukai
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Steel material for welding steel pipe having excellent low-temperat...
Patent number
12,188,105
Issue date
Jan 7, 2025
POSCO Co., Ltd
Hwan-Gyo Jung
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
HOT-ROLLED STEEL SHEET
Publication number
20250109467
Publication date
Apr 3, 2025
NIPPON STEEL CORPORATION
Daisuke ITO
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRA-FINE GRAINED STEELS HAVING CORROSION-FATIGUE RESISTANCE
Publication number
20250109465
Publication date
Apr 3, 2025
Tenaris Connections B.V.
Martin Bühler
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF PRODUCING HOT-ROLLED STEEL SHEET FOR NON-ORIENTED ELECTRI...
Publication number
20250101541
Publication date
Mar 27, 2025
JFE STEEL CORPORATION
Tomoyuki OKUBO
B22 - CASTING POWDER METALLURGY
Information
Patent Application
AUSTENITIC STAINLESS STEEL AND HYDROGEN RESISTANT MEMBER
Publication number
20250101560
Publication date
Mar 27, 2025
DAIDO STEEL CO., LTD.
Nobuyuki TAKAHASHI
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
PRECIPITATION-HARDENING-TYPE AUSTENITIC ALLOY STEEL MATERIAL AND ME...
Publication number
20250084498
Publication date
Mar 13, 2025
Proterial, Ltd.
Masaru FUJIYOSHI
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
AUSTENITIC STAINLESS STEEL AND METHOD FOR PRODUCING AUSTENITIC STAI...
Publication number
20250066869
Publication date
Feb 27, 2025
NIPPON STEEL STAINLESS STEEL CORPORATION
Taichiro MIZOGUCHI
C21 - METALLURGY OF IRON
Information
Patent Application
AUSTENITIC STAINLESS STEEL AND METHOD FOR PRODUCING AUSTENITIC STAI...
Publication number
20250066893
Publication date
Feb 27, 2025
NIPPON STEEL STAINLESS STEEL CORPORATION
Taichiro MIZOGUCHI
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
HEAVY PLATE AND THERMOMECHANICAL TREATMENT METHOD FOR A STARTING MA...
Publication number
20250059617
Publication date
Feb 20, 2025
voestalpine Grobblech GmbH
Rupert EGGER
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC FREE-CUTTING STAINLESS STEEL
Publication number
20250051874
Publication date
Feb 13, 2025
DAIDO STEEL CO., LTD.
Naoki SEI
C21 - METALLURGY OF IRON
Information
Patent Application
COLD ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING
Publication number
20250043404
Publication date
Feb 6, 2025
POSCO CO., LTD
Jaiik Kim
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
Spot Welded Joint Made from Liquid Metal Embrittlement Resistant Zi...
Publication number
20250034688
Publication date
Jan 30, 2025
ARCELORMITTAL
Anirban Chakraborty
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
BAINITE STEEL AND PREPARATION METHOD THEREFOR
Publication number
20250034670
Publication date
Jan 30, 2025
Baoshan Iron & Steel Co., Ltd
Hanlong ZHANG
C21 - METALLURGY OF IRON
Information
Patent Application
Method for butt-welding a steel part and associated steel part
Publication number
20250033147
Publication date
Jan 30, 2025
ARCELORMITTAL
Ivan VIAUX
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, IRON CORE AND MOTOR CORE, AND...
Publication number
20250022639
Publication date
Jan 16, 2025
NIPPON STEEL CORPORATION
Yoshiaki NATORI
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250019812
Publication date
Jan 16, 2025
POSCO CO., LTD.
Il-Cheol YI
C21 - METALLURGY OF IRON
Information
Patent Application
COLD ROLLED AND HEAT TREATED STEEL SHEET AND A METHOD OF MANUFACTUR...
Publication number
20250019786
Publication date
Jan 16, 2025
ARCELORMITTAL
Damon PANAHI
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL AND METHOD FOR MANUFACTURING SAME
Publication number
20250011908
Publication date
Jan 9, 2025
NIPPON STEEL STAINLESS STEEL CORPORATION
Yoshitomo FUJIMURA
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
A HOT-ROLLED STEEL STRIP PRODUCT AND METHOD FOR ITS PRODUCTION
Publication number
20250011894
Publication date
Jan 9, 2025
SSAB TECHNOLOGY AB
Robin Nilsson
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
CRACK-CONTAINING HOT-STAMPED STEEL PART WITH A THIN COATING WITH EX...
Publication number
20250003045
Publication date
Jan 2, 2025
ARCELORMITTAL
Clément PHILIPPOT
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
CRACK-CONTAINING HOT-STAMPED STEEL PART WITH A THIN COATING WITH EX...
Publication number
20250003046
Publication date
Jan 2, 2025
ARCELORMITTAL
Clément PHILIPPOT
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HIGH-STRENGTH SEAMLESS STAINLESS STEEL PIPE FOR OIL WELLS
Publication number
20250003042
Publication date
Jan 2, 2025
JFE STEEL CORPORATION
Kenichiro Eguchi
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
CONTINUOUS ANNEALING LINE, CONTINUOUS HOT-DIP GALVANIZING LINE, AND...
Publication number
20240425959
Publication date
Dec 26, 2024
JFE STEEL CORPORATION
Hidekazu MINAMI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
PLATED STEEL SHEETS FOR HOT PRESS FORMING HAVING EXCELLENT HYDROGEN...
Publication number
20240410028
Publication date
Dec 12, 2024
POSCO Co., Ltd
Jin-Keun Oh
C21 - METALLURGY OF IRON