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Hyogo Hirohata
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Neyagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Silver alloy for a sliding contact
Patent number
4,314,848
Issue date
Feb 9, 1982
Matsushita Electric Industrial Co., Ltd.
Tsunehiko Todoroki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Anode for solid electrolytic capacitor and method for making the same
Patent number
4,277,543
Issue date
Jul 7, 1981
Matsushita Electric Industrial Co., Ltd.
Koreaki Nakata
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Etchant for electrolytic etching of a ferrite for a magnetic head a...
Patent number
4,169,026
Issue date
Sep 25, 1979
Matsushita Electric Industrial Co., Ltd.
Tatsuro Kikuchi
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Electrical contact material and method of making the same
Patent number
4,141,727
Issue date
Feb 27, 1979
Matsushita Electric Industrial Co., Ltd.
Sankichi Shida
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...