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Shunichi Chiba
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Aizuwakamatsu, JP
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last 30 patents
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Patent Grant
High-strength copper based alloy free from smutting during pretreat...
Patent number
5,997,810
Issue date
Dec 7, 1999
Mitsubishi Shindoh Co., Ltd.
Rensei Futatsuka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Lead frame material formed of copper alloy for resin sealed type se...
Patent number
5,463,247
Issue date
Oct 31, 1995
Mitsubishi Shindoh Co., Ltd.
Rensei Futatsuka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Copper base lead material for leads of semiconductor devices
Patent number
4,750,029
Issue date
Jun 7, 1988
Mitsubishi Shindoh Co., Ltd.
Rensei Futatsuka
H01 - BASIC ELECTRIC ELEMENTS