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Browse by Category: Main > Material Science
Class Information
Number: 420/83
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Rare earth metal containing
Description: Alloy or metallic composition which additionally contains one or more of scandium, yttrium or a lanthanide metal.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8657969 High-strength galvanized steel sheet with excellent formability and method for manufacturing the same Feb. 25, 2014
8518194 Magnetic article and method for producing a magnetic article Aug. 27, 2013
8425695 Rare earth sintered magnet Apr. 23, 2013
8323561 Fire-resistant steel material superior in HAZ toughness of welded joint and method of production of same Dec. 4, 2012
8152938 Hardened martensitic steel, method for producing a component from this steel and component obtained in this manner Apr. 10, 2012
8152936 Rare earth magnet Apr. 10, 2012
8153056 Hardened martensitic steel, method for producing a component from this steel and component obtained in this manner Apr. 10, 2012
8142573 R-T-B sintered magnet and method for producing the same Mar. 27, 2012
8070887 High-strength steel sheet and high-strength steel pipe excellent in deformability and method for producing the same Dec. 6, 2011
8038934 High-strength spring steel excellent in brittle fracture resistance and method for producing same Oct. 18, 2011
8012271 Material for components of a gas turbine Sep. 6, 2011
7993542 Magnetic material for magnetic refrigeration Aug. 9, 2011
7935303 Low alloy steel May. 3, 2011
7597841 Weld metal excellent in toughness and SR cracking resistance Oct. 6, 2009
7507302 Method for producing nanocomposite magnet using atomizing method Mar. 24, 2009
7485193 R-FE-B based rare earth permanent magnet material Feb. 3, 2009
7347904 Low carbon steel sheet and low carbon steel slab and process for producing same Mar. 25, 2008
7316752 R-T-B-C based rare-earth magnetic powder and bonded magnet Jan. 8, 2008
7208097 Iron-based rare earth alloy nanocomposite magnet and method for producing the same Apr. 24, 2007
7175718 Rare earth element permanent magnet material Feb. 13, 2007
7138070 Magnetic material manufacturing method, ribbon-shaped magnetic materials, powdered magnetic material and bonded magnets Nov. 21, 2006
7052561 Bulk amorphous steels based on Fe alloys May. 30, 2006
7025837 Permanent magnets and R-TM-B based permanent magnets Apr. 11, 2006
7022384 Reflective film, reflection type liquid crystal display, and sputtering target for forming the reflective film Apr. 4, 2006
7022303 Single-crystal-like materials Apr. 4, 2006
7022252 Permanent magnetic alloy and bonded magnet Apr. 4, 2006
7018487 Magnet containing low rare earth element and method for manufacturing the same Mar. 28, 2006
7014718 Rare earth magnet alloy ingot, manufacturing method for the same, R-T-B type magnet alloy ingot, R-T-B type magnet, R-T-B type bonded magnet, R-T-B type exchange spring magnet alloy ingot, R-T Mar. 21, 2006
6979409 Highly quenchable Fe-based rare earth materials for ferrite replacement Dec. 27, 2005
6979374 Magnetic powder, manufacturing method of magnetic powder and bonded magnets Dec. 27, 2005
6966953 Modified sintered RE-Fe-B-type, rare earth permanent magnets with improved toughness Nov. 22, 2005
6955729 Alloy for bonded magnets, isotropic magnet powder and anisotropic magnet powder and their production method, and bonded magnet Oct. 18, 2005
6905651 Ferritic stainless steel alloy and its use as a substrate for catalytic converters Jun. 14, 2005
6896745 Magnetic powder, manufacturing method of magnetic powder and bonded magnets May. 24, 2005
6852246 Magnetic powder and isotropic bonded magnet Feb. 8, 2005
6833036 Rare earth permanent magnet Dec. 21, 2004
6830635 Spindle-shaped goethite particles, spindle-shaped hematite particles, spindle-shaped magnetic metal particles containing iron as main component and processes for producing the same Dec. 14, 2004
6822831 Magnetic thin film, magnetic thin film forming method, and recording head Nov. 23, 2004
6790296 Nanocomposite magnet and method for producing same Sep. 14, 2004
6706124 Permanent magnet including multiple ferromagnetic phases and method of producing the magnet Mar. 16, 2004
6676773 Rare earth magnet and method for producing the magnet Jan. 13, 2004
6660178 Magnetic powder and bonded magnet Dec. 9, 2003
6652991 Ductile NiAl intermetallic compositions Nov. 25, 2003
6627313 Spindle-shaped magnetic metal particles containing iron as main component and processes for producing the same Sep. 30, 2003
6589367 Anisotropic rare earth-based permanent magnet material Jul. 8, 2003
6582835 Coated ferrite stainless steel sheet usable in the automobile exhaust sector Jun. 24, 2003
RE38042 Anisotropic magnetic powder and magnet thereof and method of producing same Mar. 25, 2003
6521054 Magnetic powder and isotropic bonded magnet Feb. 18, 2003
6506264 Ferromagnetic powder Jan. 14, 2003
6500277 Magnetic powder and isotropic bonded magnet Dec. 31, 2002

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