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Ferrous alloys
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C22C38/16
containing copper
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Patents Grants
last 30 patents
Information
Patent Grant
Hot-rolled steel sheet
Patent number
11,970,758
Issue date
Apr 30, 2024
Nippon Steel Corporation
Hiroshi Shuto
C21 - METALLURGY OF IRON
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
Welded steel sheets, and sheets thus produced
Patent number
11,959,150
Issue date
Apr 16, 2024
Arcelormittal
Emmanuel Dechassey
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Soft magnetic powder, powder magnetic core, magnetic element, and e...
Patent number
11,961,646
Issue date
Apr 16, 2024
Seiko Epson Corporation
Mayu Watanabe
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Valve guide made of iron-based sintered alloy and method of produci...
Patent number
11,951,547
Issue date
Apr 9, 2024
TPR CO., LTD.
Yoshio Bando
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Non oriented electrical steel sheet
Patent number
11,952,641
Issue date
Apr 9, 2024
Nippon Steel Corporation
Masaru Takahashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength steel sheet and method for producing same
Patent number
11,946,112
Issue date
Apr 2, 2024
JFE Steel Corporation
Yoshihiko Ono
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
Non-oriented electrical steel sheet
Patent number
11,942,246
Issue date
Mar 26, 2024
Nippon Steel Corporation
Minako Fukuchi
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength cold-rolled steel sheet and method for manufacturing...
Patent number
11,926,881
Issue date
Mar 12, 2024
JFE Steel Corporation
Yuji Tanaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet for hot stamping
Patent number
11,926,120
Issue date
Mar 12, 2024
Nippon Steel Corporation
Takayuki Harano
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Insulating coating-attached electrical steel sheet and manufacturin...
Patent number
11,923,115
Issue date
Mar 5, 2024
JFE Steel Corporation
Takashi Terashima
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing rare earth sintered magnet
Patent number
11,915,845
Issue date
Feb 27, 2024
Shin-Etsu Chemical Co., Ltd.
Taiga Asai
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
Steel sheet
Patent number
11,898,219
Issue date
Feb 13, 2024
Nippon Steel Corporation
Katsuya Nakano
C21 - METALLURGY OF IRON
Information
Patent Grant
Duplex stainless clad steel plate and method of producing same
Patent number
11,891,675
Issue date
Feb 6, 2024
JFE Steel Corporation
Yota Kuronuma
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Soft magnetic powder, powder magnetic core, magnetic element, and e...
Patent number
11,894,168
Issue date
Feb 6, 2024
Seiko Epson Corporation
Yasuko Kudo
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Soft magnetic powder, pressed powder body, and magnetic component
Patent number
11,894,169
Issue date
Feb 6, 2024
TDK Corporation
Kazuhiro Yoshidome
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Iron-based alloy sintered body and iron-based mixed powder for powd...
Patent number
11,884,996
Issue date
Jan 30, 2024
JFE Steel Corporation
Nao Nasu
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Iron-rich permanent magnet
Patent number
11,875,934
Issue date
Jan 16, 2024
Regents of The University of Minnesota
Jian-Ping Wang
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Alloy powder, nanocrystalline powder and magnetic core
Patent number
11,866,810
Issue date
Jan 9, 2024
Tokin Corporation
Akiri Urata
B22 - CASTING POWDER METALLURGY
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
Non oriented electrical steel sheet, iron core, manufacturing metho...
Patent number
11,859,265
Issue date
Jan 2, 2024
Nippon Steel Corporation
Ichiro Tanaka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Soft magnetic material and method for manufacturing the same
Patent number
11,851,738
Issue date
Dec 26, 2023
Murata Manufacturing Co., Ltd.
Kazuhiro Henmi
B22 - CASTING POWDER METALLURGY
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
Method of preparing a high-coercivity sintered NdFeB magnet
Patent number
11,854,736
Issue date
Dec 26, 2023
Yantai Dongxing Magnetic Materials Inc.
Kunkun Yang
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High strength part having powder metal internal ring
Patent number
11,850,662
Issue date
Dec 26, 2023
Keystone Powdered Metal Company
Gary L. Anderson
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High-strength steel sheet and method for manufacturing same
Patent number
11,846,002
Issue date
Dec 19, 2023
JFE Steel Corporation
Shimpei Yoshioka
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and method for manufacturing the same
Patent number
11,846,003
Issue date
Dec 19, 2023
JFE Steel Corporation
Takuya Hirashima
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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
HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20240141452
Publication date
May 2, 2024
JFE STEEL CORPORATION
Thi Huyen Doan
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240136095
Publication date
Apr 25, 2024
JFE STEEL CORPORATION
Shigehiro TAKAJO
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240132987
Publication date
Apr 25, 2024
JFE STEEL CORPORATION
Katsuya Hata
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240132986
Publication date
Apr 25, 2024
JFE STEEL CORPORATION
Katsuya Hata
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
HOT-STAMPING FORMED BODY
Publication number
20240117477
Publication date
Apr 11, 2024
NIPPON STEEL CORPORATION
Kodai MURASAWA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR RECYCLING RARE EARTH ELEMENT-CONTAINING POWDER, AND METH...
Publication number
20240112854
Publication date
Apr 4, 2024
Proterial, Ltd.
Takahiro YOMOGITA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
R-T-B BASED PERMANENT MAGNET
Publication number
20240105368
Publication date
Mar 28, 2024
TDK Corporation
Atsushi KODA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING SAME
Publication number
20240102122
Publication date
Mar 28, 2024
LG ELECTRONICS INC.
Yunsung KIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20240105369
Publication date
Mar 28, 2024
JFE STEEL CORPORATION
Makoto Watanabe
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR FORMING FILM AND METHOD FOR MANUFACTURING ELECTRICAL STE...
Publication number
20240105384
Publication date
Mar 28, 2024
JFE STEEL CORPORATION
Takashi Terashima
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, MOTOR CORE, METHOD FOR MANUFAC...
Publication number
20240096531
Publication date
Mar 21, 2024
NIPPON STEEL CORPORATION
Ichiro TANAKA
B32 - LAYERED PRODUCTS
Information
Patent Application
SINTERED NEODYMIUM-IRON-BORON PERMANENT MAGNET, PREPARATION METHOD...
Publication number
20240096529
Publication date
Mar 21, 2024
NANTONG ZHENGHAI MAGNET CO., LTD.
Zhaopu XU
B22 - CASTING POWDER METALLURGY
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
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING TH...
Publication number
20240084415
Publication date
Mar 14, 2024
NIPPON STEEL CORPORATION
Hiroyoshi YASHIKI
C21 - METALLURGY OF IRON
Information
Patent Application
ND-FE-B MULTILAYER SINTERED MAGNET AND METHOD FOR PRODUCING SAME
Publication number
20240079179
Publication date
Mar 7, 2024
NDFEB Corporation
Masato SAGAWA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
RARE EARTH PERMANENT MAGNET, AND PREPARATION METHOD THEREFOR
Publication number
20240079180
Publication date
Mar 7, 2024
YANTAI ZHENGHAI MAGNETIC MATERIAL CO., LTD.
Zhiqiang LI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Cerium-Added RE-T-B-M Series Sintered Neodymium-Iron-Boron Magnet
Publication number
20240071658
Publication date
Feb 29, 2024
Yantai Dongxing Magnetic Materials Inc.
Xiulei CHEN
B22 - CASTING POWDER METALLURGY
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240068065
Publication date
Feb 29, 2024
JFE STEEL CORPORATION
Taiyo Asakawa
C21 - METALLURGY OF IRON
Information
Patent Application
SOFT MAGNETIC ALLOY POWDER, MAGNETIC CORE, MAGNETIC COMPONENT, AND...
Publication number
20240071663
Publication date
Feb 29, 2024
TDK Corporation
Masakazu HOSONO
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HIGH-STRENGTH COLD-ROLLED ENAMEL STEEL SHEET WITH EXCELLENT ADHESIO...
Publication number
20240052452
Publication date
Feb 15, 2024
POSCO Co., Ltd
Jaiik Kim
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL SHEET, IMPACT ABSORBING MEMBER, AND METHOD FOR...
Publication number
20240052449
Publication date
Feb 15, 2024
JFE STEEL CORPORATION
Yoshiyasu Kawasaki
C21 - METALLURGY OF IRON
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
NON-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240047105
Publication date
Feb 8, 2024
NIPPON STEEL CORPORATION
Tesshu MURAKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240047106
Publication date
Feb 8, 2024
NIPPON STEEL CORPORATION
Minako FUKUCHI
H01 - BASIC ELECTRIC ELEMENTS
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
STEEL SHEET FOR HOT STAMPING AND HOT-STAMPED MEMBER
Publication number
20240044012
Publication date
Feb 8, 2024
NIPPON STEEL CORPORATION
Yuki SUZUKI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
R-T-B BASED PERMANENT MAGNET
Publication number
20240038420
Publication date
Feb 1, 2024
TDK Corporation
Atsushi KODA
B22 - CASTING POWDER METALLURGY