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Osamu Asai
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Hitachi, JP
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last 30 patents
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Patent Grant
Corrosion-resistant aluminum electronic material
Patent number
4,912,544
Issue date
Mar 27, 1990
Hitachi, Ltd.
Jin Onuki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
SiC sintered body having metallized layer and production method the...
Patent number
4,663,649
Issue date
May 5, 1987
Hitachi, Ltd.
Hideo Suzuki
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Powdery silicon carbide composition for sintering
Patent number
4,561,891
Issue date
Dec 31, 1985
Hitachi, Ltd.
Kunihiro Maeda
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Primary battery
Patent number
4,259,415
Issue date
Mar 31, 1981
Hitachi, Ltd.
Kohki Tamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silver-electroplating method using thiocyanic solution
Patent number
4,153,519
Issue date
May 8, 1979
Hitachi, Ltd.
Yoshihiro Suzuki
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR