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Kazuhiro Hanazawa
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Tokyo, JP
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Patents Grants
last 30 patents
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
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 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
Method for producing semi-processed non-oriented electrical steel s...
Patent number
9,978,488
Issue date
May 22, 2018
JFE Steel Corporation
Yoshiaki Zaizen
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing semi-processed non-oriented electrical steel s...
Patent number
9,941,038
Issue date
Apr 10, 2018
JFE Steel Corporation
Yoshiaki Zaizen
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
Electron gun abnormality detecting device and electron gun abnormal...
Patent number
9,304,078
Issue date
Apr 5, 2016
JFE Steel Corporation
Tomohiko Ito
G01 - MEASURING TESTING
Information
Patent Grant
Cold-rolled steel sheet, method for manufacturing the same, and bac...
Patent number
8,449,699
Issue date
May 28, 2013
JFE Steel Corporation
Taro Kizu
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF CHECKING FORSTERITE, APPARATUS THAT EVALUATES FORSTERITE,...
Publication number
20160033416
Publication date
Feb 4, 2016
JEF STEEL CORPORATION
Masayasu Nagoshi
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR PRODUCING SEMI-PROCESSED NON-ORIENTED ELECTRICAL STEEL S...
Publication number
20150357101
Publication date
Dec 10, 2015
JFE STEEL CORPORATION
Yoshiaki ZAIZEN
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
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET EXHIB...
Publication number
20150267273
Publication date
Sep 24, 2015
JFE STEEL CORPORATION
Shigehiro Takajo
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET INSPECTION DEVICE, STEEL SHEET INSPECTION METHOD, AND S...
Publication number
20150253242
Publication date
Sep 10, 2015
JFE STEEL CORPORATION
Tomohiko Ito
C21 - METALLURGY OF IRON
Information
Patent Application
ELECTRON GUN ABNORMALITY DETECTING DEVICE AND ELECTRON GUN ABNORMAL...
Publication number
20150241335
Publication date
Aug 27, 2015
JFE STEEL CORPORATION
Tomohiko Ito
G01 - MEASURING TESTING
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET FOR IRON CORE AND METHOD OF M...
Publication number
20150187474
Publication date
Jul 2, 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 T...
Publication number
20140360629
Publication date
Dec 11, 2014
Hirotaka Inoue
C21 - METALLURGY OF IRON
Information
Patent Application
COLD-ROLLED STEEL SHEET WITH EXCELLENT BENDING WORKABILITY, METHOD...
Publication number
20110318217
Publication date
Dec 29, 2011
JKE STELL CORPORATION
Koichiro Fujita
C21 - METALLURGY OF IRON
Information
Patent Application
COLD-ROLLED STEEL SHEET, METHOD FOR MANUFACTURING THE SAME, AND BAC...
Publication number
20110120600
Publication date
May 26, 2011
JFE STEEL CORPORATION
Taro Kizu
C21 - METALLURGY OF IRON