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C22C38/005
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CHEMISTRY METALLURGY
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Metallurgy
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Ferrous alloys
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C22C38/005
containing rare earths
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Patents Grants
last 30 patents
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Patent Grant
Ferritic stainless steel sheet, production method thereof, and ferr...
Patent number
12,270,096
Issue date
Apr 8, 2025
NIPPON STEEL STAINLESS STEEL CORPORATION
C21 - METALLURGY OF IRON
Information
Patent Grant
Anti-oxidation heat-resistant alloy and preparation method
Patent number
12,270,095
Issue date
Apr 8, 2025
QINGDAO NPA INDUSTRY CO., LTD.
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Steel sheet and method for manufacturing same
Patent number
12,270,088
Issue date
Apr 8, 2025
Nippon Steel Corporation
C21 - METALLURGY OF IRON
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
Electric-resistance-welded steel pipe or tube for hollow stabilizer...
Patent number
12,264,388
Issue date
Apr 1, 2025
JFE Steel Corporation
Ryoji Matsui
C21 - METALLURGY OF IRON
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
Steel sheet, member, and methods for manufacturing the same
Patent number
12,258,647
Issue date
Mar 25, 2025
JFE Steel Corporation
Yusuke Wada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Rail
Patent number
12,247,358
Issue date
Mar 11, 2025
Nippon Steel Corporation
Masaharu Ueda
C21 - METALLURGY OF IRON
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
Oriented electrical steel with high magnetic induction and annealin...
Patent number
12,247,261
Issue date
Mar 11, 2025
INNER MONGOLIA UNIVERSITY OF TECHNOLOGY
Lifeng Fan
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
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
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
Sintered magnet and production method for sintered magnet
Patent number
12,234,534
Issue date
Feb 25, 2025
Hitachi, Ltd.
Matahiro Komuro
B22 - CASTING POWDER METALLURGY
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
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
High strength steel sheet and method for manufacturing the same
Patent number
12,221,668
Issue date
Feb 11, 2025
JFE Steel Corporation
Kazuki Endoh
B32 - LAYERED PRODUCTS
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
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 of producing sintered magnet
Patent number
12,205,738
Issue date
Jan 21, 2025
LG Chem, Ltd.
Tae Hoon Kim
B22 - CASTING POWDER METALLURGY
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
Feedstock and heterogeneous structure for tough rare earth permanen...
Patent number
12,205,762
Issue date
Jan 21, 2025
Iowa State University Research Foundation, Inc.
Jun Cui
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rare earth permanent magnet material and raw material composition,p...
Patent number
12,198,840
Issue date
Jan 14, 2025
FUJIAN GOLDEN DRAGON RARE- EARTH Co., Ltd.
Qin Lan
B22 - CASTING POWDER METALLURGY
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
High strength steel sheet and method for manufacturing the same
Patent number
12,188,103
Issue date
Jan 7, 2025
JFE Steel Corporation
Kazuki Endoh
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
12,180,593
Issue date
Dec 31, 2024
JFE Steel Corporation
Yoshiyasu Kawasaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot-rolled steel sheet
Patent number
12,180,570
Issue date
Dec 31, 2024
Nippon Steel Corporation
Hiroshi Shuto
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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
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
FEEDSTOCK AND HETEROGENEOUS STRUCTURES FOR TOUGH RARE EARTH PERMANE...
Publication number
20250095914
Publication date
Mar 20, 2025
Iowa State University Research Foundation, Inc.
Jun Cui
B22 - CASTING POWDER METALLURGY
Information
Patent Application
NEODYMIUM-IRON-BORON MAGNET MATERIAL AND PREPARATION METHOD THEREFO...
Publication number
20250087394
Publication date
Mar 13, 2025
FUJIAN GOLDEN DRAGON RARE-EARTH Co., Ltd.
Weiguo MOU
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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 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
NEODYMIUM-IRON-BORON MAGNET MATERIAL, PREPARATION THEREFOR, AND APP...
Publication number
20250069785
Publication date
Feb 27, 2025
FUJIAN GOLDEN DRAGON RARE-EARTH Co., Ltd.
Weiguo MOU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
IRON-MANGANESE ALLOY HAVING IMPROVED WELDABILITY
Publication number
20250066888
Publication date
Feb 27, 2025
APERAM
Pierre-Louis REYDET
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
HOT-DEFORMED R-Fe-B MAGNET FOR VARIABLE-MAGNETIC-FORCE MOTOR, VARIA...
Publication number
20250054664
Publication date
Feb 13, 2025
National Institute for Materials Science
Xin TANG
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
STEEL SHEET AND PLATED STEEL SHEET
Publication number
20250051895
Publication date
Feb 13, 2025
NIPPON STEEL CORPORATION
Keitaro MATSUDA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
NI-FREE MICRO-ALLOYED HIGH-STRENGTH STEEL WITH ULTRA-LOW TEMPERATUR...
Publication number
20250043375
Publication date
Feb 6, 2025
WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Kaiming WU
C21 - METALLURGY OF IRON
Information
Patent Application
COMPOSITE ADDITIVE FOR FORMING INCLUSIONS WITH CORE-SHELL STRUCTURE...
Publication number
20250043371
Publication date
Feb 6, 2025
WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Kaiming WU
C21 - METALLURGY OF IRON
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
COLD-ROLLED STEEL SHEET AND METHOD OF MANUFACTURING COLD-ROLLED STE...
Publication number
20250043380
Publication date
Feb 6, 2025
NIPPON STEEL CORPORATION
Kengo HATA
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
BONDED MAGNET AND METHOD OF PREPARING THE SAME
Publication number
20250037910
Publication date
Jan 30, 2025
Nichia Corporation.
Shuichi TADA
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 SL...
Publication number
20250034685
Publication date
Jan 30, 2025
JFE STEEL CORPORATION
Akifumi Harada
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HIGH-STRENGTH AND HIGH-HARDNESS REINFORCED WEAR-RESISTANT STEEL AND...
Publication number
20250034687
Publication date
Jan 30, 2025
Baoshan Iron & Steel Co., Ltd
Hongbin LI
C21 - METALLURGY OF IRON
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
R-T-B PERMANENT MAGNET
Publication number
20250011904
Publication date
Jan 9, 2025
TDK CORPORTION
Hiroki KAWAMURA
B22 - CASTING POWDER METALLURGY
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
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME,...
Publication number
20250014793
Publication date
Jan 9, 2025
JEF STEEL CORPORATION
Shigehiro TAKAJYO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Flux-Cored Welding Strip and Welding Flux Used in Combination for S...
Publication number
20250010410
Publication date
Jan 9, 2025
Harbin Welding Institute Limited Company
Kai XU
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
PREPARATION METHOD OF RARE EARTH PERMANENT MAGNETIC MATERIAL
Publication number
20250001498
Publication date
Jan 2, 2025
NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SC...
Bo Zhou
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HIGH-REMANENCE NEODYMIUM-IRON-BORON MAGNET, AND PREPARATION METHOD...
Publication number
20250006411
Publication date
Jan 2, 2025
YANTAI ZHENGHAI MAGNETIC MATERIAL CO., LTD.
Yongjiang YU
B22 - CASTING POWDER METALLURGY
Information
Patent Application
STEEL SHEET, MEMBER, METHOD OF PRODUCING STEEL SHEET, AND METHOD OF...
Publication number
20250003021
Publication date
Jan 2, 2025
JFE STEEL CORPORATION
Katsuya HATA
C21 - METALLURGY OF IRON
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