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Shigehiro Takajo
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Linear groove formation method and linear groove forming apparatus,...
Patent number
12,195,816
Issue date
Jan 14, 2025
JFE Steel Corporation
Takeshi Omura
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Grain-oriented electromagnetic steel sheet and method of producing...
Patent number
11,781,196
Issue date
Oct 10, 2023
JFE Steel Corporation
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
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
Device to improve iron loss properties of grain-oriented electrical...
Patent number
11,377,706
Issue date
Jul 5, 2022
JFE Steel Corporation
Seiji Okabe
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electromagnetic steel sheet and method for producing...
Patent number
11,326,219
Issue date
May 10, 2022
JFE Steel Corporation
Shigehiro Takajo
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and process for producing same
Patent number
11,225,698
Issue date
Jan 18, 2022
JFE Steel Corporation
Shigehiro Takajo
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Grain-oriented electrical steel sheet and production method for gra...
Patent number
11,180,834
Issue date
Nov 23, 2021
JFE Steel Corporation
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Oriented electromagnetic steel sheet and method for manufacturing o...
Patent number
11,091,842
Issue date
Aug 17, 2021
JFE Steel Corporation
Takumi Umada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Linear groove formation method and linear groove formation device
Patent number
11,045,902
Issue date
Jun 29, 2021
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 manufacturing...
Patent number
11,031,163
Issue date
Jun 8, 2021
JFE Steel Corporation
Takeshi Omura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
10,988,822
Issue date
Apr 27, 2021
JFE Steel Corporation
Masanori Uesaka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Grain-oriented electrical steel sheet and production method for gra...
Patent number
10,968,521
Issue date
Apr 6, 2021
JFE Steel Corporation
Takumi Umada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing grain-oriented electrical steel sheet exhib...
Patent number
10,889,871
Issue date
Jan 12, 2021
JFE Steel Corporation
Shigehiro Takajo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Device to improve iron loss properties of grain-oriented electrical...
Patent number
10,745,773
Issue date
Aug 18, 2020
JFE Steel Corporation
Seiji Okabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus for manufacturing metal thin strip
Patent number
10,730,102
Issue date
Aug 4, 2020
JFE Steel Corporation
Seiji Okabe
B22 - CASTING POWDER METALLURGY
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
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 production method therefor
Patent number
10,465,259
Issue date
Nov 5, 2019
JFE Steel Corporation
Shigehiro Takajo
H01 - BASIC ELECTRIC ELEMENTS
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
Steel sheet inspection device, steel sheet inspection method, and s...
Patent number
10,031,068
Issue date
Jul 24, 2018
JFE Steel Corporation
Tomohiko Ito
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet for iron core and method of m...
Patent number
10,026,533
Issue date
Jul 17, 2018
JFE Steel Corporation
Shigehiro Takajo
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method for producing same
Patent number
10,020,101
Issue date
Jul 10, 2018
JFE Steel Corporation
Shigehiro Takajo
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 and method of manufacturing same
Patent number
9,984,800
Issue date
May 29, 2018
JFE Steel Corporation
Shigehiro Takajo
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of checking forsterite, apparatus that evaluates forsterite,...
Patent number
9,939,382
Issue date
Apr 10, 2018
JFE Steel Corporation
Masayasu Nagoshi
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet
Patent number
9,761,361
Issue date
Sep 12, 2017
JFE Steel Corporation
Seiji Okabe
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20250101561
Publication date
Mar 27, 2025
JFE STEEL CORPORATION
Takeshi IMAMURA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND METHOD OF PRODUCING SAME
Publication number
20240352552
Publication date
Oct 24, 2024
Cleveland-Cliffs Steel Properties Inc.
Amrinder Singh Gill
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND H...
Publication number
20240229199
Publication date
Jul 11, 2024
JFE STEEL CORPORATION
Shigehiro TAKAJO
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240233992
Publication date
Jul 11, 2024
JFE STEEL CORPORATION
Shigehiro TAKAJO
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
METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240150875
Publication date
May 9, 2024
JFE STEEL CORPORATION
Ryosuke Tani
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
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND H...
Publication number
20240133003
Publication date
Apr 25, 2024
JFE STEEL CORPORATION
Shigehiro TAKAJO
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
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
LINEAR GROOVE FORMATION METHOD AND METHOD OF PRODUCING GRAIN-ORIENT...
Publication number
20230212703
Publication date
Jul 6, 2023
JFE STEEL CORPORATION
Ryuichi SUEHIRO
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
EQUIPMENT FOR MANUFACTURING GRAIN-ORIENTED ELECTROMAGNETIC STEEL SHEET
Publication number
20210040606
Publication date
Feb 11, 2021
JFE STEEL CORPORATION
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
DEVICE TO IMPROVE IRON LOSS PROPERTIES OF GRAIN-ORIENTED ELECTRICAL...
Publication number
20200332380
Publication date
Oct 22, 2020
JFE STEEL CORPORATION
Seiji OKABE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GRAIN-ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD OF PRODUCING...
Publication number
20200063268
Publication date
Feb 27, 2020
JFE STEEL CORPORATION
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GRAIN-ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD FOR PRODUCING...
Publication number
20200056256
Publication date
Feb 20, 2020
JFE STEEL CORPORATION
Shigehiro Takajo
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCTION METHOD FOR GRA...
Publication number
20190390350
Publication date
Dec 26, 2019
JFE STEEL CORPORATION
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCTION METHOD FOR GRA...
Publication number
20190390309
Publication date
Dec 26, 2019
JFE STEEL CORPORATION
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD FOR MANUFACTURING O...
Publication number
20190256985
Publication date
Aug 22, 2019
JFE STEEL CORPORATION
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
APPARATUS FOR MANUFACTURING METAL THIN STRIP
Publication number
20180221941
Publication date
Aug 9, 2018
JFE STEEL CORPORATION
Seiji OKABE
B22 - CASTING POWDER METALLURGY
Information
Patent Application
LINEAR GROOVE FORMATION METHOD AND LINEAR GROOVE FORMATION DEVICE
Publication number
20180147663
Publication date
May 31, 2018
JFE STEEL CORPORATION
Shigehiro TAKAJO
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCTION METHOD THEREFOR
Publication number
20180037965
Publication date
Feb 8, 2018
JFE STEEL CORPORATION
Shigehiro TAKAJO
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20180030559
Publication date
Feb 1, 2018
JFE STEEL CORPORATION
Masanori UESAKA
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PROCESS FOR PRODUCING SAME
Publication number
20170253940
Publication date
Sep 7, 2017
JFE STEEL CORPORATION
Shigehiro TAKAJO
C21 - METALLURGY OF IRON