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Patents Grants
last 30 patents
Information
Patent Grant
Powder for permanent magnet, method for its production and anisotro...
Patent number
6,328,817
Issue date
Dec 11, 2001
Santoku Metal Industry Co., Ltd.
Ryo Murakami
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rare earth metal-nickel hydrogen storage alloy, a method for produc...
Patent number
6,261,517
Issue date
Jul 17, 2001
Santoku Metal Industry Co., Ltd.
Akihito Kaneko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing an age precipitation-containing rare earth meta...
Patent number
6,053,995
Issue date
Apr 25, 2000
Santoku Metal Industry Co., Ltd.
Yuji Tanibuchi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Apparatus and method for producing a thin solidified alloy
Patent number
6,026,995
Issue date
Feb 22, 2000
Santoku Metal Industry Company, Ltd.
Kazuhiko Yamamoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for recovering reusable elements from rare earth-nickel alloy
Patent number
5,980,841
Issue date
Nov 9, 1999
Santoku Metal Industry Co., Ltd.
Kazuhiro Yamamoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Rare earth metal-nickel hydrogen storage alloy, method for producin...
Patent number
5,964,968
Issue date
Oct 12, 1999
Santoku Metal Industry Co., Ltd.
Akihito Kaneko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for recovering reusable elements from rare earth-iron alloy
Patent number
5,961,938
Issue date
Oct 5, 1999
Santoku Metal Industry Co., Ltd.
Kazuhiro Yamamoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Composite oxide having oxygen absorbing and desorbing capability an...
Patent number
5,945,370
Issue date
Aug 31, 1999
Santoku Metal Industry Co., Ltd.
Hideo Yokoi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for producing rare earth metals
Patent number
5,932,084
Issue date
Aug 3, 1999
Santoku Metal Industry Co., Ltd.
Kiyofumi Takamaru
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Rare earth metal-nickel hydrogen storage alloy, process for produci...
Patent number
5,840,166
Issue date
Nov 24, 1998
Santoku Metal Industry Co. Ltd.
Akihito Kaneko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rare earth metal-nickel hydrogen storage alloy, process for produci...
Patent number
5,817,222
Issue date
Oct 6, 1998
Santoku Metal Industry Co., Ltd.
Akihito Kaneko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for recovering reusable rare earth compounds
Patent number
5,728,355
Issue date
Mar 17, 1998
Santoku Metal Industry Co., Ltd.
Akira Asada
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Permanent magnet containing rare earth metal, boron and iron
Patent number
5,690,752
Issue date
Nov 25, 1997
Santoku Metal Industry Co., Ltd.
Kazuhiko Yamamoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for production of rare earth metal-nickel hydrogen occlusive...
Patent number
5,680,896
Issue date
Oct 28, 1997
Santoku Metal Industry Co., Ltd.
Kazuhiko Yamamoto
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Alloy ingot for permanent magnet, anisotropic powders for permanent...
Patent number
5,674,327
Issue date
Oct 7, 1997
Santoku Metal Industry Co., Ltd.
Kazuhiko Yamamoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Alloy ingot for permanent magnet, anisotropic powders for permanent...
Patent number
5,656,100
Issue date
Aug 12, 1997
Santoku Metal Industry Co., Ltd.
Kazuhiko Yamamoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Alloy ingot for permanent magnet, anisotropic powders for permanent...
Patent number
5,630,885
Issue date
May 20, 1997
Santoku Metal Industry, Co., Ltd.
Kazuhiko Yamamoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for preparing composite oxide having oxygen absorbing and de...
Patent number
5,582,785
Issue date
Dec 10, 1996
Santoku Metal Industry Co., Ltd.
Shinya Yao
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Composite oxide having oxygen absorbing and desorbing capability an...
Patent number
5,580,536
Issue date
Dec 3, 1996
Santoku Metal Industry Co., Ltd.
Shinyao Yao
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Composite oxide having oxygen absorbing and desorbing capability
Patent number
5,571,492
Issue date
Nov 5, 1996
Santoku Metal Industry Co., Ltd.
Shinya Yao
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Compound oxide having oxygen absorbing and desorbing capability and...
Patent number
5,478,543
Issue date
Dec 26, 1995
Santoku Metal Industry Co., Ltd.
Tadatoshi Murota
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of recovering reusable metals from nickel-hydrogen rechargea...
Patent number
5,478,664
Issue date
Dec 26, 1995
Santoku Metal Industry Co., Ltd.
Akihito Kaneko
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Rare earth metal-nickel hydrogen occlusive alloy ingot
Patent number
5,470,404
Issue date
Nov 28, 1995
Santoku Metal Industry Co., Ltd.
Kazuhiko Yamamoto
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Alloy ingot for permanent magnet, anisotropic powders for permanent...
Patent number
5,383,978
Issue date
Jan 24, 1995
Santoku Metal Industry Co., Ltd.
Kazuhiko Yamamoto
B22 - CASTING POWDER METALLURGY
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