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Patents Grants
last 30 patents
Information
Patent Grant
Grain-oriented electrical steel sheet
Patent number
11,990,261
Issue date
May 21, 2024
JFE Steel Corporation
Yoshihisa Ichihara
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet, wound transformer core using...
Patent number
11,984,249
Issue date
May 14, 2024
JFE Steel Corporation
Hirotaka Inoue
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Iron core for transformer
Patent number
11,961,659
Issue date
Apr 16, 2024
JFE Steel Corporation
Takeshi Omura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Iron core for transformer
Patent number
11,961,647
Issue date
Apr 16, 2024
JFE Steel Corporation
Takeshi Omura
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
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
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, stacked transformer core usi...
Patent number
11,495,378
Issue date
Nov 8, 2022
JFE Steel Corporation
Hirotaka Inoue
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Transformer iron core
Patent number
11,430,599
Issue date
Aug 30, 2022
JFE Steel Corporation
Seiji Okabe
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
Grain-oriented electrical steel sheet and method of manufacturing same
Patent number
11,174,526
Issue date
Nov 16, 2021
JFE Steel Corporation
Yukihiro Shingaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
11,031,163
Issue date
Jun 8, 2021
JFE Steel Corporation
Takeshi Omura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for manufacturing grain-oriented electrical steel sheet, and...
Patent number
10,900,113
Issue date
Jan 26, 2021
JFE Steel Corporation
Yukihiro Shingaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Grain oriented electrical steel sheet and production method therefor
Patent number
10,704,113
Issue date
Jul 7, 2020
JFE Steel Corporation
Hirotaka Inoue
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of manufacturing grain-oriented electrical steel sheet
Patent number
10,629,346
Issue date
Apr 21, 2020
JFE Steel Corporation
Kunihiro Senda
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Grain-oriented electrical steel sheet and method of manufacturing same
Patent number
10,626,474
Issue date
Apr 21, 2020
JFE Steel Corporation
Yukihiro Shingaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Grain-oriented electrical steel sheet and transformer iron core usi...
Patent number
10,559,410
Issue date
Feb 11, 2020
JFE Steel Corporation
Seiji Okabe
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
10,535,453
Issue date
Jan 14, 2020
JFE Steel Corporation
Shigehiro Takajo
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method of manufacturing t...
Patent number
10,395,806
Issue date
Aug 27, 2019
JFE Steel Corporation
Hirotaka Inoue
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
10,147,527
Issue date
Dec 4, 2018
JFE Steel Corporation
Shigehiro Takajo
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Grain-oriented electrical steel sheet and method for improving iron...
Patent number
10,062,483
Issue date
Aug 28, 2018
JFE Steel Corporation
Hirotaka Inoue
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and manufacturing method thereof
Patent number
10,011,886
Issue date
Jul 3, 2018
JFE Steel Corporation
Shigehiro Takajo
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
Grain-oriented electrical steel sheet and method of manufacturing same
Patent number
9,704,626
Issue date
Jul 11, 2017
JFE Steel Corporation
Kunihiro Senda
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Grain-oriented electrical steel sheet
Patent number
9,646,749
Issue date
May 9, 2017
JFE Steel Corporation
Ryuichi Suehiro
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electrical steel sheet and method for manufacturing...
Patent number
9,406,437
Issue date
Aug 2, 2016
JFE Steel Corporation
Takeshi Omura
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electrical steel sheet and method for manufacturing...
Patent number
9,396,872
Issue date
Jul 19, 2016
JFE Steel Corporation
Hirotaka Inoue
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electrical steel sheet and method for manufacturing...
Patent number
8,784,995
Issue date
Jul 22, 2014
JFE Steel Corporation
Takeshi Omura
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electrical steel sheet
Patent number
8,568,857
Issue date
Oct 29, 2013
JFE Steel Corporation
Minoru Takashima
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
WOUND CORE AND METHOD FOR PRODUCING WOUND CORE
Publication number
20240321492
Publication date
Sep 26, 2024
JFE STEEL CORPORATION
Hirotaka INOUE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WOUND CORE
Publication number
20230395301
Publication date
Dec 7, 2023
JFE STEEL CORPORATION
Takeshi Omura
H01 - BASIC ELECTRIC ELEMENTS
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
GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20230178276
Publication date
Jun 8, 2023
JFE STEEL CORPORATION
Yoshihisa ICHIHARA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
LINEAR GROOVE FORMATION METHOD AND LINEAR GROOVE FORMING APPARATUS,...
Publication number
20220282349
Publication date
Sep 8, 2022
JFE STEEL CORPORATION
Takeshi Omura
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20220275487
Publication date
Sep 1, 2022
JFE STEEL CORPORATION
Yoshihisa Ichihara
C21 - METALLURGY OF IRON
Information
Patent Application
LINEAR GROOVE FORMATION METHOD AND METHOD FOR PRODUCING GRAIN-ORIEN...
Publication number
20220267872
Publication date
Aug 25, 2022
JFE STEEL CORPORATION
Yoshihisa ICHIHARA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING A GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20210310096
Publication date
Oct 7, 2021
JFE STEEL CORPORATION
Takeshi OMURA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
NITRIDING APPARATUS FOR MANUFACTURING A GRAIN-ORIENTED ELECTRICAL S...
Publication number
20210115549
Publication date
Apr 22, 2021
JFE STEEL CORPORATION
Yukihiro SHINGAKI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET, WOUND TRANSFORMER CORE USING...
Publication number
20210043358
Publication date
Feb 11, 2021
JFE STEEL CORPORATION
Hirotaka INOUE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
IRON CORE FOR TRANSFORMER
Publication number
20210027939
Publication date
Jan 28, 2021
JFE STEEL CORPORATION
Takeshi OMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
IRON CORE FOR TRANSFORMER
Publication number
20210020349
Publication date
Jan 21, 2021
JFE STEEL CORPORATION
Takeshi OMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET, STACKED TRANSFORMER CORE USI...
Publication number
20200373046
Publication date
Nov 26, 2020
JFE STEEL CORPORATION
Hirotaka INOUE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING SAME
Publication number
20200208234
Publication date
Jul 2, 2020
JFE STEEL CORPORATION
Yukihiro SHINGAKI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20200087746
Publication date
Mar 19, 2020
JFE STEEL CORPORATION
Takeshi OMURA
C21 - METALLURGY OF IRON
Information
Patent Application
TRANSFORMER IRON CORE
Publication number
20200051731
Publication date
Feb 13, 2020
JFE STEEL CORPORATION
Seiji OKABE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCTION METHOD THEREFOR
Publication number
20200035392
Publication date
Jan 30, 2020
JFE STEEL CORPORATION
Takeshi OMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PRODU...
Publication number
20190017139
Publication date
Jan 17, 2019
JFE STEEL CORPORATION
Takeshi OMURA
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20190013126
Publication date
Jan 10, 2019
JFE STEEL CORPORATION
Takeshi OMURA
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET, MANUFACTURING METHOD THEREFO...
Publication number
20180119244
Publication date
May 3, 2018
JFE STEEL CORPORATION
Takeshi OMURA
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING SAME
Publication number
20180002773
Publication date
Jan 4, 2018
JFE STEEL CORPORATION
Yukihiro SHINGAKI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20170263357
Publication date
Sep 14, 2017
JFE STEEL CORPORATION
Kunihiro Senda
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND...
Publication number
20170226622
Publication date
Aug 10, 2017
JFE STEEL CORPORATION
Yukihiro SHINGAKI
C21 - METALLURGY OF IRON
Information
Patent Application
PRIMARY RECRYSTALLIZATION ANNEALED SHEET FOR GRAIN-ORIENTED ELECTRI...
Publication number
20170121785
Publication date
May 4, 2017
JFE STEEL CORPORATION
Yukihiro Shingaki
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN ORIENTED ELECTRICAL STEEL SHEET AND PRODUCTION METHOD THEREFOR
Publication number
20160333435
Publication date
Nov 17, 2016
JFE STEEL CORPORATION
Hirotaka Inoue
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND TRANSFORMER IRON CORE USI...
Publication number
20160133368
Publication date
May 12, 2016
JFE STEEL CORPORATION
Seiji OKABE
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20150310973
Publication date
Oct 29, 2015
JFE STEEL CORPORATION
Shigehiro Takajo
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20150248957
Publication date
Sep 3, 2015
JFE STEEL CORPORATION
Shigehiro Takajo
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR IMPROVING IRO...
Publication number
20150132547
Publication date
May 14, 2015
JFE STEEL CORPORATION
Hirotaka Inoue
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING SAME
Publication number
20150111004
Publication date
Apr 23, 2015
JFE STEEL CORPORATION
Kunihiro Senda
C21 - METALLURGY OF IRON