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Keiichi Kagawa
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Takehara, JP
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last 30 patents
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Patent Grant
Zinc alloy powder and alkaline battery using the same
Patent number
6,428,932
Issue date
Aug 6, 2002
Mitsui Mining & Smelting Company, Ltd.
Mitsuo Shinoda
B22 - CASTING POWDER METALLURGY
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Patent Grant
Zinc-alkaline battery
Patent number
4,861,688
Issue date
Aug 29, 1989
Matsushita Electric Indus. Co. Ltd.
Akira Miura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Anode active material and alkaline cells containing same, and metho...
Patent number
4,812,374
Issue date
Mar 14, 1989
Mitsui Mining & Smelting Co., Ltd.
Keiichi Kagawa
H01 - BASIC ELECTRIC ELEMENTS