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Akihito Tsujimoto
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing granulated powder of R—FE—B type alloy and met...
Patent number
7,214,343
Issue date
May 8, 2007
Neomax Co., Ltd.
Futoshi Kuniyoshi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Apparatus for subjecting rare earth alloy to hydrogenation process...
Patent number
7,018,485
Issue date
Mar 28, 2006
Neomax Co., Ltd.
Akihito Tsujimoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Milling apparatus and milling method
Patent number
6,736,343
Issue date
May 18, 2004
Sumitomo Special Metals Co., Ltd.
Akiyasu Oota
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Milling apparatus and milling method
Patent number
6,474,576
Issue date
Nov 5, 2002
Sumitomo Special Metals Co., Ltd.
Akiyasu Oota
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Method and apparatus for mixing powder with liquid
Patent number
6,464,386
Issue date
Oct 15, 2002
Sumitomo Special Metals Co., Ltd.
Akiyasu Oota
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Hydrogen pulverizer for rare-earth alloy magnetic material powder u...
Patent number
6,403,024
Issue date
Jun 11, 2002
Sumitomo Special Metals Co., Ltd.
Akiyasu Oota
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for hydrogen-pulverizing a rare earth metal-based magnetic...
Patent number
6,247,660
Issue date
Jun 19, 2001
Sumitomo Special Metals Co., Ltd.
Yasuhiko Imai
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
Rare-earth sintered magnet and method for producing the same
Publication number
20070240790
Publication date
Oct 18, 2007
Teruyoshi Kita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method for producing granulated powder of r-fe-b type alloy and met...
Publication number
20040149354
Publication date
Aug 5, 2004
Futoshi Kuniyoshi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Apparatus for subjecting rare earth alloy to hydrogenation process...
Publication number
20040000356
Publication date
Jan 1, 2004
Akihito Tsujimoto
C21 - METALLURGY OF IRON
Information
Patent Application
Milling apparatus and milling method
Publication number
20020166908
Publication date
Nov 14, 2002
Sumitomo Special Metals Co. Ltd.
Akiyasu Oota
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...