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Patents Grants
last 30 patents
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Patent Grant
Grain-oriented electrical steel sheet causing low core loss and low...
Patent number
10,610,964
Issue date
Apr 7, 2020
Nippon Steel Corporation
Satoshi Arai
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Grain-oriented electrical steel sheet and manufacturing method thereof
Patent number
10,208,372
Issue date
Feb 19, 2019
Nippon Steel & Sumitomo Metal Corporation
Fumiaki Takahashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of manufacturing grain-oriented electrical steel sheet
Patent number
8,778,095
Issue date
Jul 15, 2014
Nippon Steel & Sumitomo Metal Corporation
Isao Iwanaga
C21 - METALLURGY OF IRON
Information
Patent Grant
Manufacturing method of grain-oriented magnetic steel sheet
Patent number
8,409,368
Issue date
Apr 2, 2013
Nippon Steel & Sumitomo Metal Corporation
Yoshiyuki Ushigami
C21 - METALLURGY OF IRON
Information
Patent Grant
Manufacturing method of grain-oriented electrical steel sheet
Patent number
8,366,836
Issue date
Feb 5, 2013
Nippon Steel Corporation
Yoshiyuki Ushigami
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of production of grain-oriented electrical steel sheet with...
Patent number
7,976,644
Issue date
Jul 12, 2011
Nippon Steel Corporation
Yoshiyuki Ushigami
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of production of grain-oriented electrical steel sheet havin...
Patent number
7,976,645
Issue date
Jul 12, 2011
Nippon Steel Corporation
Yoshiyuki Ushigami
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet having insulating film not co...
Patent number
7,850,792
Issue date
Dec 14, 2010
Nippon Steel Corporation
Osamu Tanaka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Grain-oriented electrical steel sheet superior in core loss charact...
Patent number
7,815,754
Issue date
Oct 19, 2010
Nippon Steel Corporation
Yoshiyuki Ushigami
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Core having superior end face insulation and method of treating cor...
Patent number
7,471,182
Issue date
Dec 30, 2008
Nippon Steel Corporation
Tomoji Kumano
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Core having superior end face insulation and method of treating cor...
Patent number
7,173,509
Issue date
Feb 6, 2007
Nippon Steel Corporation
Tomoji Kumano
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing a grain-oriented electrical steel sheet excell...
Patent number
6,432,222
Issue date
Aug 13, 2002
Nippon Steel Corporation
Yoshifumi Ohata
C21 - METALLURGY OF IRON
Information
Patent Grant
Production of grain-oriented silicon steel sheets having an insulat...
Patent number
5,174,833
Issue date
Dec 29, 1992
Nippon Steel Corporation
Osamu Tanaka
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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Patent Application
SILICA GLASS DISC HAVING DIMPLES FORMED THEREON
Publication number
20220402812
Publication date
Dec 22, 2022
Shin-Etsu Quartz Products Co., Ltd.
Kyoichi INAKI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20220098694
Publication date
Mar 31, 2022
NIPPON STEEL CORPORATION
Yoshiyuki USHIGAMI
C21 - METALLURGY OF IRON
Information
Patent Application
QUARTZ GLASS MEMBER WITH INCREASED EXPOSED AREA, METHOD FOR MANUFAC...
Publication number
20190321932
Publication date
Oct 24, 2019
Shin-Etsu Quartz Products Co., Ltd.
Akiyoshi TSUCHIDA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET CAUSING LOW CORE LOSS AND LOW...
Publication number
20170182591
Publication date
Jun 29, 2017
NIPPON STEEL & SUMITOMO METAL CORPORATION
Satoshi ARAI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF
Publication number
20130292006
Publication date
Nov 7, 2013
Fumiaki Takahashi
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20130061985
Publication date
Mar 14, 2013
NIPPON STEEL & SUMITOMO METAL CORPORATION
Isao Iwanaga
C21 - METALLURGY OF IRON
Information
Patent Application
MANUFACTURING METHOD OF GRAIN-ORIENTED MAGNETIC STEEL SHEET
Publication number
20120111455
Publication date
May 10, 2012
Yoshiyuki Ushigami
C21 - METALLURGY OF IRON
Information
Patent Application
MANUFACTURING METHOD OF GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20120103474
Publication date
May 3, 2012
Yoshiyuki Ushigami
C21 - METALLURGY OF IRON
Information
Patent Application
Grain-Oriented Electrical Steel Sheet Having Insulating Film Not Co...
Publication number
20090208764
Publication date
Aug 20, 2009
Osamu Tanaka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Grain-Oriented Electrical Steel Sheet Superior in Core Loss Charact...
Publication number
20090173413
Publication date
Jul 9, 2009
Yoshiyuki Ushigami
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method of production of grain-oriented electrical steel sheet with...
Publication number
20090165895
Publication date
Jul 2, 2009
Yoshiyuki Ushigami
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method of production of grain-oriented electrical steel sheet havin...
Publication number
20090126832
Publication date
May 21, 2009
Yoshiyuki Ushigami
C21 - METALLURGY OF IRON
Information
Patent Application
Core having superior end face insulation and method of treating cor...
Publication number
20070188289
Publication date
Aug 16, 2007
NIPPON STEEL CORPORATION
Tomoji Kumano
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Iron core exhibiting excellent insulating property at end face, and...
Publication number
20040046632
Publication date
Mar 11, 2004
Tomoji Kumano
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Method for producing a grain-oriented electrical steel sheet excell...
Publication number
20020007870
Publication date
Jan 24, 2002
Yoshifumi Ohata
C21 - METALLURGY OF IRON