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C21D8/1266
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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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C21D8/1266
between cold rolling steps
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Patents Grants
last 30 patents
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Patent Grant
Method for manufacturing grain-oriented electrical steel sheet
Patent number
12,180,558
Issue date
Dec 31, 2024
Nippon Steel Corporation
Yoshiyuki Ushigami
C21 - METALLURGY OF IRON
Information
Patent Grant
Electrical steel processing without a post cold-rolling intermediat...
Patent number
12,068,095
Issue date
Aug 20, 2024
Nucor Corporation
Theodore E. Hill
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and manufacturing method ther...
Patent number
12,040,110
Issue date
Jul 16, 2024
POSCO Co., Ltd
Hyun-Seok Ko
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
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
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
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 and method for manufacturing...
Patent number
11,560,603
Issue date
Jan 24, 2023
JFE STEEL CORPORATION
Yasuyuki Hayakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Motor
Patent number
11,551,839
Issue date
Jan 10, 2023
JFE Steel Corporation
Souichiro Yoshizaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing grain-oriented electrical steel sheet
Patent number
11,459,629
Issue date
Oct 4, 2022
JFE Steel Corporation
Yasuyuki Hayakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Grain-oriented electrical steel sheet and production method therefor
Patent number
11,387,025
Issue date
Jul 12, 2022
JFE Steel Corporation
Takeshi Omura
C21 - METALLURGY OF IRON
Information
Patent Grant
Laser-scribed grain-oriented silicon steel resistant to stress-reli...
Patent number
11,355,275
Issue date
Jun 7, 2022
Baoshan Iron & Steel Co., Ltd.
Zipeng Zhao
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
Grain-oriented electrical steel sheet and method for producing the...
Patent number
11,186,888
Issue date
Nov 30, 2021
JFE Steel Corporation
Takeshi Imamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Grain-oriented electrical steel sheet and method for producing same
Patent number
11,186,891
Issue date
Nov 30, 2021
Nippon Steel Corporation
Shinji Yamamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Non-oriented electrical steel sheet and method for manufacturing no...
Patent number
11,114,227
Issue date
Sep 7, 2021
JFE Steel Corporation
Masanori Uesaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Grain-oriented electrical steel sheet and manufacturing method ther...
Patent number
11,031,162
Issue date
Jun 8, 2021
Posco
Hyun-Seok Ko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for producing non-oriented electrical steel sheet having exc...
Patent number
10,975,451
Issue date
Apr 13, 2021
JFE Steel Corporation
Hiroaki Nakajima
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet, production method therefor, an...
Patent number
10,941,458
Issue date
Mar 9, 2021
JFE Steel Corporation
Hiroaki Nakajima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
10,889,880
Issue date
Jan 12, 2021
JFE Steel Corporation
Takeshi Imamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-silicon steel sheet and method of manufacturing the same
Patent number
10,760,143
Issue date
Sep 1, 2020
JFE Steel Corporation
Tomoyuki Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Non-oriented electrical steel sheet and method for manufacturing no...
Patent number
10,704,115
Issue date
Jul 7, 2020
JFE Steel Corporation
Tomoyuki Okubo
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet and method for producing the sa...
Patent number
10,526,673
Issue date
Jan 7, 2020
JFE Steel Corporation
Tomoyuki Okubo
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method for manufacturing grain-oriented electrical steel sheet
Patent number
10,428,403
Issue date
Oct 1, 2019
JFE Steel Corporation
Yasuyuki Hayakawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process for the production of grain non-oriented electric steel str...
Patent number
10,337,080
Issue date
Jul 2, 2019
Centro Sviluppo Materiali S.p.A.
Stefano Fortunati
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for producing grain-oriented electrical steel sheet
Patent number
10,294,543
Issue date
May 21, 2019
JFE Steel Corporation
Ryuichi Suehiro
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing grain-oriented electrical steel sheet
Patent number
10,294,544
Issue date
May 21, 2019
JFE Steel Corporation
Ryuichi Suehiro
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing grain-oriented electrical steel sheet
Patent number
10,134,514
Issue date
Nov 20, 2018
JFE Steel Corporation
Masanori Uesaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet
Patent number
9,875,832
Issue date
Jan 23, 2018
JFE Steel Corporation
Hiroi Yamaguchi
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for the production of grain-oriented magnetic sheet with a...
Patent number
9,828,649
Issue date
Nov 28, 2017
CENTRO SVILUPPO MATERIALI S.P.A.
Stefano Fortunati
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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
METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND ROLLI...
Publication number
20240287659
Publication date
Aug 29, 2024
JFE STEEL CORPORATION
Yusuke SHIMOYAMA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240282491
Publication date
Aug 22, 2024
JFE STEEL CORPORATION
Masanori Takenaka
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND ROLLI...
Publication number
20240279763
Publication date
Aug 22, 2024
JFE STEEL CORPORATION
Yusuke SHIMOYAMA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240271254
Publication date
Aug 15, 2024
JFE STEEL CORPORATION
Masanori Takenaka
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240263285
Publication date
Aug 8, 2024
JFE STEEL CORPORATION
Takeshi IMAMURA
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME
Publication number
20240254600
Publication date
Aug 1, 2024
JFE STEEL CORPORATION
Makoto WATANABE
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240249863
Publication date
Jul 25, 2024
JFE STEEL CORPORATION
Takeshi IMAMURA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF DETERMINING FINAL ANNEALING CONDITIONS FOR GRAIN-ORIENTED...
Publication number
20240247333
Publication date
Jul 25, 2024
JFE STEEL CORPORATION
Makoto WATANABE
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240247347
Publication date
Jul 25, 2024
JFE STEEL CORPORATION
Masanori Takenaka
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND ANNEA...
Publication number
20240240292
Publication date
Jul 18, 2024
JFE STEEL CORPORATION
Makoto WATANABE
C21 - METALLURGY OF IRON
Information
Patent Application
ELECTRICAL STEEL SHEET COMPOSED OF (001) TEXTURE, AND MANUFACTURING...
Publication number
20240212900
Publication date
Jun 27, 2024
THERMVAC INC.
Nam Hoe HEO
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240183011
Publication date
Jun 6, 2024
JFE STEEL CORPORATION
Ryosuke Tani
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240186042
Publication date
Jun 6, 2024
NIPPON STEEL CORPORATION
Shinsuke TAKATANI
C21 - METALLURGY OF IRON
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 AND METHOD FOR MANUFACTURING SAME
Publication number
20240153683
Publication date
May 9, 2024
NIPPON STEEL CORPORATION
Tesshu MURAKAWA
C21 - METALLURGY OF IRON
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
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 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
ELECTRICAL STEEL PROCESSING WITHOUT A POST COLD-ROLLING INTERMEDIAT...
Publication number
20230290549
Publication date
Sep 14, 2023
Nucor Corporation
Theodore E. Hill
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20230250506
Publication date
Aug 10, 2023
JFE STEEL CORPORATION
Yusuke SHIMOYAMA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND M...
Publication number
20230250503
Publication date
Aug 10, 2023
JFE STEEL CORPORATION
Yukihiro SHINGAKI
C21 - METALLURGY OF IRON
Information
Patent Application
PRODUCTION METHOD FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND PR...
Publication number
20230243009
Publication date
Aug 3, 2023
JFE STEEL CORPORATION
Yukihiro SHINGAKI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING AN NO ELECTRIC STRIP OF INTERMEDIATE THICKNESS
Publication number
20230193413
Publication date
Jun 22, 2023
ThyssenKrupp Steel Europe AG
Olaf Fischer
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING A GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20230045475
Publication date
Feb 9, 2023
JFE STEEL CORPORATION
Yasuyuki HAYAKAWA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING NON-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20220396846
Publication date
Dec 15, 2022
NIPPON STEEL CORPORATION
Tesshu MURAKAWA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20220195555
Publication date
Jun 23, 2022
JFE STEEL CORPORATION
Yuiko EHASHI
C21 - METALLURGY OF IRON
Information
Patent Application
ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20220186336
Publication date
Jun 16, 2022
NIPPON STEEL CORPORATION
Miho TOMITA
C21 - METALLURGY OF IRON