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Hideyuki Okamoto
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Niihama-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Method for separating arsenic mineral from copper-bearing material...
Patent number
8,960,444
Issue date
Feb 24, 2015
Sumitomo Metal Mining Co., Ltd.
Daishi Ochi
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Method for separating arsenic mineral from copper-bearing material...
Patent number
8,685,350
Issue date
Apr 1, 2014
Sumitomo Metal Mining Co., Ltd.
Hideyuki Okamoto
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Flotation method for non-ferrous metal variable ores
Patent number
5,702,591
Issue date
Dec 30, 1997
Sumitomo Metal Mining Co., Ltd.
Hideyuki Okamoto
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Patents Applications
last 30 patents
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Patent Application
METHOD FOR SEPARATING ARSENIC MINERAL FROM COPPER-BEARING MATERIAL...
Publication number
20130004389
Publication date
Jan 3, 2013
KYUSHU UNIVERSITY NATIONAL UNIVERSITY CORPORATION
Hideyuki Okamoto
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
METHOD FOR SEPARATING ARSENIC MINERAL FROM COPPER-BEARING MATERIAL...
Publication number
20110094942
Publication date
Apr 28, 2011
Sumitomo Mining Co., Ltd.
Daishi Ochi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...