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C21D8/1233
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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
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C21D8/1233
Cold rolling
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Patents Grants
last 30 patents
Information
Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
11,970,751
Issue date
Apr 30, 2024
Nippon Steel Corporation
Yoshiyuki Ushigami
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet and method for manufacturing no...
Patent number
11,970,750
Issue date
Apr 30, 2024
Nippon Steel Corporation
Nobusato Morishige
C21 - METALLURGY OF IRON
Information
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
Method for producing non-oriented electrical steel sheet, method fo...
Patent number
11,962,184
Issue date
Apr 16, 2024
JFE Steel Corporation
Yoshiaki Zaizen
C21 - METALLURGY OF IRON
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
Grain oriented electrical steel sheet
Patent number
11,948,711
Issue date
Apr 2, 2024
Nippon Steel Corporation
Takashi Kataoka
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing grain oriented electrical steel sheet
Patent number
11,946,113
Issue date
Apr 2, 2024
Nippon Steel Corporation
Shinsuke Takatani
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Method of producing a non-oriented electrical steel sheet
Patent number
11,946,123
Issue date
Apr 2, 2024
JFE Steel Corporation
Masanori Uesaka
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
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
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
11,898,215
Issue date
Feb 13, 2024
Nippon Steel Corporation
Yoshiyuki Ushigami
C21 - METALLURGY OF IRON
Information
Patent Grant
Base sheet for grain-oriented electrical steel sheet, grain-oriente...
Patent number
11,884,988
Issue date
Jan 30, 2024
Nippon Steel Corporation
Shuichi Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Double oriented electrical steel sheet and method for manufacturing...
Patent number
11,802,319
Issue date
Oct 31, 2023
POSCO Co., Ltd
Seil Lee
C21 - METALLURGY OF IRON
Information
Patent Grant
Electrical steel strip that can be but doesn't have to be reannealed
Patent number
11,788,168
Issue date
Oct 17, 2023
ThyssenKrupp Steel Europe AG
Sebastian Sieron
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet and method for preparing same
Patent number
11,773,463
Issue date
Oct 3, 2023
POSCO Co., Ltd
Jae-Hoon Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing grain-oriented electrical steel sheet and produ...
Patent number
11,767,571
Issue date
Sep 26, 2023
JFE Steel Corporation
Takeshi Omura
C21 - METALLURGY OF IRON
Information
Patent Grant
FeCo alloy, FeSi alloy or Fe sheet or strip and production method t...
Patent number
11,767,583
Issue date
Sep 26, 2023
APERAM
Thierry Waeckerle
C21 - METALLURGY OF IRON
Information
Patent Grant
Nitriding apparatus for manufacturing a grain-oriented electrical s...
Patent number
11,761,074
Issue date
Sep 19, 2023
JFE Steel Corporation
Yukihiro Shingaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electrical steel sheet
Patent number
11,753,691
Issue date
Sep 12, 2023
Nippon Steel Corporation
Shuichi Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet
Patent number
11,732,319
Issue date
Aug 22, 2023
JFE Steel Corporation
Yoshihiko Oda
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet and method for producing same,...
Patent number
11,718,891
Issue date
Aug 8, 2023
JFE Steel Corporation
Yoshiaki Zaizen
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and manufacturing method thereof
Patent number
11,697,856
Issue date
Jul 11, 2023
Nippon Steel Corporation
Fumiaki Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrical steel processing without a post cold-rolling intermediat...
Patent number
11,694,828
Issue date
Jul 4, 2023
Nucor Corporation
Theodore E. Hill
C21 - METALLURGY OF IRON
Information
Patent Grant
Annealing separator composition for grain-oriented electrical steel...
Patent number
11,685,962
Issue date
Jun 27, 2023
POSCO Co., Ltd
Min Soo Han
C21 - METALLURGY OF IRON
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 electrical steel sheet and manufacturing method ther...
Patent number
11,667,984
Issue date
Jun 6, 2023
POSCO Co., Ltd
Hyung Don Joo
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing grain-oriented electrical steel sheet and...
Patent number
11,661,636
Issue date
May 30, 2023
Nippon Steel Corporation
Nobusato Morishige
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Non-oriented electrical steel sheet and method of producing same
Patent number
11,649,532
Issue date
May 16, 2023
JFE Steel Corporation
Masanori Uesaka
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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
METHOD FOR MANUFACTURING NON-ORIENTED ELECTRICAL STEEL SHEET, AND N...
Publication number
20240102123
Publication date
Mar 28, 2024
LG ELECTRONICS INC.
Changwoo JEONG
H01 - BASIC ELECTRIC ELEMENTS
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
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
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
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND R...
Publication number
20240052448
Publication date
Feb 15, 2024
JFE STEEL CORPORATION
Yusuke SHIMOYAMA
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCTION METHOD THEREFOR
Publication number
20240052447
Publication date
Feb 15, 2024
JFE STEEL CORPORATION
Masanori ODACHI
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
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
GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20240035108
Publication date
Feb 1, 2024
POSCO Co., Ltd
Kyungjun Ko
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20240038422
Publication date
Feb 1, 2024
POSCO Co., Ltd
Hunju LEE
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING SAME
Publication number
20240038423
Publication date
Feb 1, 2024
POSCO Co., Ltd
Jaewan Hong
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240026482
Publication date
Jan 25, 2024
JFE STEEL CORPORATION
Takuya YAMADA
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING SAME
Publication number
20240026489
Publication date
Jan 25, 2024
POSCO Co., Ltd
Jaehoon Kim
C21 - METALLURGY OF IRON
Information
Patent Application
CU-CONTAINING NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING...
Publication number
20240011112
Publication date
Jan 11, 2024
Baoshan Iron & Steel Co., Ltd
Feng ZHANG
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
NON-ORIENTED ELECTRICAL STEEL PLATE AND MANUFACTURING METHOD THEREFOR
Publication number
20230416883
Publication date
Dec 28, 2023
Baoshan Iron & Steel Co., Ltd
Shuangjie CHU
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL SHEET AND PRODUCTION METHOD
Publication number
20230407431
Publication date
Dec 21, 2023
NIPPON STEEL STAINLESS STEEL CORPORATION
Ryo KOBAYASHI
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
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING NO...
Publication number
20230392225
Publication date
Dec 7, 2023
NIPPON STEEL CORPORATION
Nobusato MORISHIGE
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR PRODUCING SAME, AND...
Publication number
20230392227
Publication date
Dec 7, 2023
NIPPON STEEL CORPORATION
Yoshihiro ARITA
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR PRODUCING SAME, AND...
Publication number
20230366058
Publication date
Nov 16, 2023
NIPPON STEEL CORPORATION
Yoshihiro ARITA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR FORMING GROOVE ON METAL STRIP SURFACE AND METHOD FOR MAN...
Publication number
20230366101
Publication date
Nov 16, 2023
JFE STEEL CORPORATION
Shigehiro TAKAJO
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR FORMING GROOVES ON METAL STRIP SURFACE AND METHOD FOR MA...
Publication number
20230357875
Publication date
Nov 9, 2023
JFE STEEL CORPORATION
Shigehiro TAKAJO
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 PRODUCING AN ELECTRIC STRIP
Publication number
20230304115
Publication date
Sep 28, 2023
NanoNeal Technologies GmbH
Christian Dorfbauer
C21 - METALLURGY OF IRON