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Nobuko Nakagawa
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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing electrical steel sheet with adhesive insula...
Patent number
11,186,076
Issue date
Nov 30, 2021
JFE Steel Corporation
Nobuko Nakagawa
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of making an electrical steel sheet provided with insulating...
Patent number
11,177,052
Issue date
Nov 16, 2021
JFE Steel Corporation
Kazumichi Sashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrical steel sheet with insulating coating
Patent number
10,526,672
Issue date
Jan 7, 2020
JFE Steel Corporation
Naoki Muramatsu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Electrical steel sheet provided with insulating coating
Patent number
10,403,417
Issue date
Sep 3, 2019
JFE Steel Corporation
Kazumichi Sashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Magnetic steel sheet with semi-organic insulation coating
Patent number
9,534,136
Issue date
Jan 3, 2017
JFE Steel Corporation
Kazumichi Sashi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
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
ELECTRICAL STEEL SHEET WITH INSULATING COATING
Publication number
20230002908
Publication date
Jan 5, 2023
JFE STEEL CORPORATION
Nobuko NAKAGAWA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, MOTOR CORE, AND PRODUCTION MET...
Publication number
20220372600
Publication date
Nov 24, 2022
JFE STEEL CORPORATION
Yoshiaki ZAIZEN
C21 - METALLURGY OF IRON
Information
Patent Application
ELECTROMAGNETIC STEEL SHEET COATED WITH INSULATING FILM, PROCESS FO...
Publication number
20220194055
Publication date
Jun 23, 2022
JFE STEEL CORPORATION
Nobuko NAKAGAWA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ELECTRICAL STEEL SHEET HAVING INSULATING COATING
Publication number
20220106689
Publication date
Apr 7, 2022
JFE STEEL CORPORATION
Naoki MURAMATSU
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD OF MAKING AN ELECTRICAL STEEL SHEET PROVIDED WITH INSULATING...
Publication number
20220028576
Publication date
Jan 27, 2022
JFE STEEL CORPORATION
Kazumichi Sashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRICAL STEEL SHEET WITH INSULATING FILM AND METHOD FOR MANUFACT...
Publication number
20210324491
Publication date
Oct 21, 2021
JFE STEEL CORPORATION
Chiyoko TADA
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
METHOD OF MANUFACTURING ELECTRICAL STEEL SHEET WITH ADHESIVE INSULA...
Publication number
20200086619
Publication date
Mar 19, 2020
JFE STEEL CORPORATION
Nobuko NAKAGAWA
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD OF MAKING AN ELECTRICAL STEEL SHEET PROVIDED WITH INSULATING...
Publication number
20190348195
Publication date
Nov 14, 2019
JFE STEEL CORPORATION
Kazumichi Sashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTROMAGNETIC STEEL SHEET COATED WITH INSULATING FILM, PROCESS FO...
Publication number
20190160786
Publication date
May 30, 2019
JFE STEEL CORPORATION
Nobuko NAKAGAWA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ELECTRICAL STEEL SHEET WITH INSULATING COATING
Publication number
20180251869
Publication date
Sep 6, 2018
JFE STEEL CORPORATION
Naoki MURAMATSU
C21 - METALLURGY OF IRON
Information
Patent Application
ELECTRICAL STEEL SHEET PROVIDED WITH INSULATING COATING
Publication number
20170162295
Publication date
Jun 8, 2017
JFE STEEL CORPORATION
Kazumichi Sashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRICAL STEEL SHEET FOR STACKING, STACKED ELECTRICAL STEEL SHEET...
Publication number
20170117758
Publication date
Apr 27, 2017
JFE STEEL CORPORATION
Nobuko NAKAGAWA
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
ELECTROMAGNETIC STEEL SHEET WITH INSULATING COATING FILM, METHOD OF...
Publication number
20160230024
Publication date
Aug 11, 2016
JFE STEEL CORPORATION
Nobuko Nakagawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ELECTRICAL STEEL SHEET WITH INSULATION COATING, METHOD OF MANUFACTU...
Publication number
20150044475
Publication date
Feb 12, 2015
JFE STEEL CORPORATION
Nobuko Nakagawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
MAGNETIC STEEL SHEET WITH SEMI-ORGANIC INSULATION COATING
Publication number
20130115444
Publication date
May 9, 2013
JFE STEEL CORPORATION
Kazumichi Sashi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ELECTRICAL STEEL SHEET PROVIDED WITH INSULATING COATING WHICH HAS I...
Publication number
20120301744
Publication date
Nov 29, 2012
JFE STEEL CORPORATION
Kazumichi Sashi
C21 - METALLURGY OF IRON
Information
Patent Application
Cold-Rolled Steel Sheet and Method for Producing the Same
Publication number
20100221600
Publication date
Sep 2, 2010
JFE STEEL CORPORATION
Eiko Yasuhara
C21 - METALLURGY OF IRON