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Junichi Kumagai
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Aizuwakamatsu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Copper alloy and method of manufacturing the same
Patent number
7,485,200
Issue date
Feb 3, 2009
Mitsubishi Shindoh Co., Ltd.
Masahiko Ishida
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Copper alloy and method of manufacturing the same
Patent number
7,338,631
Issue date
Mar 4, 2008
Mitsubishi Shindoh Co., Ltd.
Masahiko Ishida
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
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
Corrosion-resistant high-strength copper based alloy having excelle...
Patent number
5,885,376
Issue date
Mar 23, 1999
Mitsubishi Shindoh Co., Ltd.
Takeshi Suzuki
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...
Patents Applications
last 30 patents
Information
Patent Application
Copper alloy and method of manufacturing the same
Publication number
20080041507
Publication date
Feb 21, 2008
Mitsubishi Shindoh Co., Ltd
Masahiko Ishida
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Copper alloy and method of manufacturing the same
Publication number
20050230014
Publication date
Oct 20, 2005
Masahiko Ishida
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...