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Browse by Category: Main > Material Science
Class Information
Number: 148/111
Name: Metal treatment > Process of modifying or maintaining internal physical structure (i.e., microstructure) or chemical properties of metal, process of reactive coating of metal and process of chemical-heat removing (e.g., flame-cutting, etc.) or burning of metal > Magnetic materials > Silicon steel > Working
Description: Processes restricted to working or working and heat treatment.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8657968 Grain-oriented electrical steel sheet and method of manufacturing the same Feb. 25, 2014
8557058 High-strength non-oriented electrical steel sheet Oct. 15, 2013
8366836 Manufacturing method of grain-oriented electrical steel sheet Feb. 5, 2013
8333846 Manufacturing method of oriented SI steel with high electric-magnetic property Dec. 18, 2012
8303730 Manufacturing method of grain-oriented electrical steel sheet Nov. 6, 2012
8277574 Method for manufacturing grain-oriented electromagnetic steel sheet whose magnetic domains are controlled by laser beam irradiation Oct. 2, 2012
8277573 Process for the production of a grain oriented magnetic strip Oct. 2, 2012
8236110 Method of producing grain-oriented electrical steel sheet Aug. 7, 2012
8231739 Method for producing grain-oriented silicon steel containing copper Jul. 31, 2012
8202374 Method of treating steel for grain-oriented electrical steel sheet and method of manufacturing grain-oriented electrical steel sheet Jun. 19, 2012
8157928 Non-oriented electrical steel sheet and production process thereof Apr. 17, 2012
8088229 Method for producing grain oriented magnetic steel strip Jan. 3, 2012
8038806 Method for producing grain oriented magnetic steel strip Oct. 18, 2011
8034196 Low core loss grain-oriented electrical steel plate and method of manufacturing the same Oct. 11, 2011
8016951 Low core loss grain-oriented electrical steel sheet and method for producing the same Sep. 13, 2011
7998284 Grain-oriented electrical steel sheet having high tensile strength insulating film and method of treatment of such insulating film Aug. 16, 2011
7981223 Ultra-high magnetic flux density grain-oriented electrical steel sheet excellent in iron loss at a high magnetic flux density and film properties and method for producing the same Jul. 19, 2011
7976644 Method of production of grain-oriented electrical steel sheet with high magnetic flux density Jul. 12, 2011
7976645 Method of production of grain-oriented electrical steel sheet having a high magnetic flux density Jul. 12, 2011
7942982 Grain-oriented electrical steel sheet excellent in coating adhesion and method of producing the same May. 17, 2011
7922834 Non-oriented electrical steel sheet and production process thereof Apr. 12, 2011
7887646 Oriented magnetic steel plate excellent in coating adhesion and method of production of same Feb. 15, 2011
7887645 High permeability grain oriented electrical steel Feb. 15, 2011
7883586 Method for production and apparatus for production of grain-oriented electrical steel sheet excellent in magnetic properties Feb. 8, 2011
7857915 Grain-oriented electrical steel sheet extremely excellent in magnetic properties and method of production of same Dec. 28, 2010
7846271 Non-oriented electrical steel sheets with excellent magnetic properties and method for manufacturing the same Dec. 7, 2010
7833360 Method of producing grain-oriented electrical steel sheet very excellent in magnetic properties Nov. 16, 2010
7763120 Method of production of grain-oriented electrical steel sheet Jul. 27, 2010
7763122 Non-oriented electrical steel sheets with improved magnetic property and method for manufacturing the same Jul. 27, 2010
7736444 Method and system for manufacturing electrical silicon steel Jun. 15, 2010
7727644 Grain-oriented electrical steel sheet and method for manufacturing grain-oriented electrical steel sheet Jun. 1, 2010
7662242 Non-oriented electrical steel superior in core loss Feb. 16, 2010
7658807 Hot-rolled strip intended for the production of non-grain oriented electrical sheet and a method for the production thereof Feb. 9, 2010
7608154 Nonoriented electrical steel sheet excellent in core loss Oct. 27, 2009
7566371 Non-oriented electrical steel sheet excellent in magnetic properties in rolling direction and method of production of same Jul. 28, 2009
7513959 Non-oriented electrical steel sheet and method for manufacturing the same Apr. 7, 2009
7501029 High-strength, high-permeability steel sheet for picture tube band and method of producing the same Mar. 10, 2009
7501028 Non-grain oriented magnetic steel strip or magnetic steel sheet and method for its production Mar. 10, 2009
7470333 Non-oriented electrical steel sheet excellent in core loss and manufacturing method thereof Dec. 30, 2008
7465364 Fe-Cr-Si based non-oriented electromagnetic steel sheet and process for producing the same Dec. 16, 2008
7465361 Method for producing grain oriented magnetic steel sheet and grain oriented magnetic steel sheet Dec. 16, 2008
7442260 Grain-oriented electrical steel sheet superior in electrical characteristics and method of production of same Oct. 28, 2008
7399369 Ultra-high magnetic flux density grain-oriented electrical steel sheet excellent in iron loss at a high magnetic flux density and film properties and method for producing the same Jul. 15, 2008
7377986 Method for production of non-oriented electrical steel strip May. 27, 2008
7371291 Grain-oriented magnetic steel sheet having no undercoat film comprising forsterite as primary component and having good magnetic characteristics May. 13, 2008
7364629 Method for manufacturing grain-oriented silicon steel sheets with mirror-like surface Apr. 29, 2008
7291230 Grain-oriented electrical steel sheet extremely excellent in film adhesiveness and method for producing the same Nov. 6, 2007
7282102 Method for manufacturing high silicon grain-oriented electrical steel sheet with superior core loss property Oct. 16, 2007
7214277 Method for manufacturing non-oriented electrical steel sheet having high magnetic flux density May. 8, 2007
7198682 Process for the production of grain oriented electrical steel Apr. 3, 2007

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