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C21D8/125
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Parent Industries
C
CHEMISTRY METALLURGY
C21
Iron metallurgy
C21D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
C21D8/00
Modifying the physical properties by deformation combined with, or followed by, heat treatment
Current Industry
C21D8/125
with application of tension
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last 30 patents
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Patent Grant
Grain-oriented electrical steel sheet and iron core using same
Patent number
11,959,149
Issue date
Apr 16, 2024
JFE Steel Corporation
Takeshi Imamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Annealing separating agent composition for grain-oriented electrica...
Patent number
11,946,114
Issue date
Apr 2, 2024
POSCO Co., Ltd
Min Serk Kwon
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Grain oriented electrical steel with improved forsterite coating ch...
Patent number
11,942,247
Issue date
Mar 26, 2024
Cleveland-Cliffs Steel Properties Inc.
Jerry William Schoen
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electrical steel sheet
Patent number
11,939,641
Issue date
Mar 26, 2024
Nippon Steel Corporation
Shuichi Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing magnetostrictive torque sensor shaft
Patent number
11,866,798
Issue date
Jan 9, 2024
PROTERIAL, LTD.
Teruyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing grain-oriented electrical steel sheet
Patent number
11,725,254
Issue date
Aug 15, 2023
POSCO Co., Ltd
Min Soo Han
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Grain-oriented electrical steel sheet and hot-rolled steel sheet fo...
Patent number
11,680,302
Issue date
Jun 20, 2023
Nippon Steel Corporation
Hiroshi Fujimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Composition for forming insulation film of oriented electrical stee...
Patent number
11,667,985
Issue date
Jun 6, 2023
POSCO Co., Ltd
Min Soo Han
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Grain-oriented silicon steel having heat-resistant magnetic domain...
Patent number
11,633,809
Issue date
Apr 25, 2023
Baoshan Iron & Steel Co., Ltd.
Shuangjie Chu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Manufacturing method for high silicon grain oriented electrical ste...
Patent number
11,608,541
Issue date
Mar 21, 2023
Baoshan Iron & Steel Co., Ltd.
Huabing Zhang
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method for producing thereof
Patent number
11,603,575
Issue date
Mar 14, 2023
Nippon Steel Corporation
Takashi Kataoka
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
11,603,572
Issue date
Mar 14, 2023
POSCO Co., Ltd
Kyung-Jun Ko
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
11,591,668
Issue date
Feb 28, 2023
Nippon Steel Corporation
Ichiro Tanaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Grain-oriented electrical steel sheet and method for producing the...
Patent number
11,578,377
Issue date
Feb 14, 2023
JFE Steel Corporation
Ryuichi Suehiro
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing a grain-oriented electrical steel sheet
Patent number
11,572,602
Issue date
Feb 7, 2023
JFE Steel Corporation
Takeshi Omura
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
11,566,302
Issue date
Jan 31, 2023
JFE Steel Corporation
Takeshi Omura
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method for producing grai...
Patent number
11,562,840
Issue date
Jan 24, 2023
Nippon Steel Corporation
Takashi Kataoka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Grain-oriented electrical steel sheet
Patent number
11,535,943
Issue date
Dec 27, 2022
Nippon Steel Corporation
Kazutoshi Takeda
C21 - METALLURGY OF IRON
Information
Patent Grant
Annealing separator for oriented electrical steel sheet, oriented e...
Patent number
11,505,843
Issue date
Nov 22, 2022
Posco
Chang Soo Park
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electrical steel sheet
Patent number
11,469,017
Issue date
Oct 11, 2022
Nippon Steel Corporation
Masato Yasuda
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electrical steel sheet
Patent number
11,466,338
Issue date
Oct 11, 2022
Nippon Steel Corporation
Masato Yasuda
C21 - METALLURGY OF IRON
Information
Patent Grant
Low-iron-loss grain-oriented electrical steel sheet and production...
Patent number
11,459,633
Issue date
Oct 4, 2022
JFE Steel Corporation
Masanori Takenaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for manufacturing stress-relief-annealing-resistant, low-iro...
Patent number
11,459,634
Issue date
Oct 4, 2022
Baoshan Iron & Steel Co., Ltd.
Shuangjie Chu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Grain-oriented electrical steel sheet
Patent number
11,346,005
Issue date
May 31, 2022
Nippon Steel Corporation
Seiki Takebayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of producing grain-oriented electrical steel sheet
Patent number
11,332,801
Issue date
May 17, 2022
JFE Steel Corporation
Yuiko Ehashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for refining magnetic domains of grain-oriented electrical s...
Patent number
11,313,011
Issue date
Apr 26, 2022
Posco
Oh-Yeoul Kwon
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Non-oriented electrical steel sheet and manufacturing method therefor
Patent number
11,299,792
Issue date
Apr 12, 2022
Posco
Jae-Hoon Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Magnetic core based on a nanocrystalline magnetic alloy
Patent number
11,264,156
Issue date
Mar 1, 2022
Metglas, Inc.
Motoki Ohta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for producing grain-oriented electrical steel strip
Patent number
11,239,012
Issue date
Feb 1, 2022
Andreas Boettcher
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Nanocrystalline magnetic alloy and method of heat-treatment thereof
Patent number
11,230,754
Issue date
Jan 25, 2022
Metglas, Inc.
Motoki Ohta
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20240177899
Publication date
May 30, 2024
NIPPON STEEL CORPORATION
Takashi KATAOKA
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20240177901
Publication date
May 30, 2024
NIPPON STEEL CORPORATION
Masataka IWAKI
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240153684
Publication date
May 9, 2024
NIPPON STEEL CORPORATION
Takeaki WAKISAKA
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
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
Low-Magnetostrictive Oriented Silicon Steel and Manufacturing Metho...
Publication number
20240071661
Publication date
Feb 29, 2024
Baoshan Iron & Steel Co., Ltd
Meihong WU
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20240052463
Publication date
Feb 15, 2024
POSCO Co., Ltd
Minserk Kwon
C21 - METALLURGY OF IRON
Information
Patent Application
POWDER FOR ANNEALING SEPARATOR AND PRODUCTION METHOD FOR GRAIN-ORIE...
Publication number
20240043950
Publication date
Feb 8, 2024
JFE STEEL CORPORATION
Takashi TERASHIMA
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCTION METHOD THEREFOR
Publication number
20240011111
Publication date
Jan 11, 2024
JFE STEEL CORPORATION
Takeshi OMURA
C21 - METALLURGY OF IRON
Information
Patent Application
WOUND CORE
Publication number
20230395300
Publication date
Dec 7, 2023
NIPPON STEEL CORPORATION
Yusuke KAWAMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR MANUFACTURING Fe-Co-BASED ALLOY BAR, AND Fe-Co-BASED ALL...
Publication number
20230349028
Publication date
Nov 2, 2023
Proterial, Ltd.
Masaru FUJIYOSHI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20230326638
Publication date
Oct 12, 2023
JFE STEEL CORPORATION
Takuya YAMADA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR IMPROVING CORROSION RESISTANCE OF NEODYMIUM-IRON-BORON M...
Publication number
20230282414
Publication date
Sep 7, 2023
Zhejiang University
MI YAN
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20230243013
Publication date
Aug 3, 2023
NIPPON STEEL CORPORATION
Nobusato MORISHIGE
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING SAME
Publication number
20230212706
Publication date
Jul 6, 2023
JFE STEEL CORPORATION
Hirotaka INOUE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR THE PRODUCTION OF HIGH PERMEABILITY GRAIN ORIENTED ELECT...
Publication number
20230212720
Publication date
Jul 6, 2023
Cleveland-Cliffs Steel Properties Inc.
Jerry W. Schoen
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20230160034
Publication date
May 25, 2023
NIPPON STEEL CORPORATION
Ichiro TANAKA
C21 - METALLURGY OF IRON
Information
Patent Application
ANNEALING SEPARATOR FOR ORIENTED ELECTRICAL STEEL SHEET, ORIENTED E...
Publication number
20230042915
Publication date
Feb 9, 2023
POSCO
Chang Soo PARK
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20230025678
Publication date
Jan 26, 2023
POSCO
Hyung Don JOO
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET, FINISH ANNEALING-USE STEEL S...
Publication number
20230002849
Publication date
Jan 5, 2023
NIPPON STEEL CORPORATION
Ryutaro YAMAGATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20220389532
Publication date
Dec 8, 2022
POSCO
Hyun-Seok Ko
C21 - METALLURGY OF IRON
Information
Patent Application
PREPARATION METHOD OF GLASSLESS GRAIN-ORIENTED SILICON STEEL AND PR...
Publication number
20220364197
Publication date
Nov 17, 2022
SHOUGANG ZHIXIN QIAN'AN ELECTROMAGNETIC MATERIAL CO., LTD.
Xianhui WANG
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-MAGNETIC-INDUCTION ORIENTED SILICON STEEL AND MANUFACTURING ME...
Publication number
20220275470
Publication date
Sep 1, 2022
Baoshan Iron & Steel Co., Ltd
Huabing ZHANG
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF PRODUCING HOT-ROLLED STEEL SHEET FOR GRAIN-ORIENTED ELECT...
Publication number
20220267871
Publication date
Aug 25, 2022
JFE STEEL CORPORATION
Masanori TAKENAKA
C21 - METALLURGY OF IRON
Information
Patent Application
AMORPHOUS LAMINATION CORE FOR MOTOR, METHOD FOR MANUFACTURING AMORP...
Publication number
20220239166
Publication date
Jul 28, 2022
Nakao MORITSUGU
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING GRAIN ORIENTED ELECTRICAL STEEL SHEET
Publication number
20220119905
Publication date
Apr 21, 2022
NIPPON STEEL CORPORATION
Shinsuke TAKATANI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ANNEALING SEPARATING AGENT COMPOSITION FOR GRAIN-ORIENTED ELECTRICA...
Publication number
20220119910
Publication date
Apr 21, 2022
POSCO
Min Serk Kwon
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR MANUFACTURING GRA...
Publication number
20220119904
Publication date
Apr 21, 2022
NIPPON STEEL CORPORATION
Ryutaro YAMAGATA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20220119907
Publication date
Apr 21, 2022
NIPPON STEEL CORPORATION
Satoshi ARAI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR