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Michio Yamashita
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Kyoto, JP
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last 30 patents
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Patent Grant
Alloy powders for bond magnet and bond magnet
Patent number
5,529,603
Issue date
Jun 25, 1996
Sumitomo Special Metals Company Limited
Michio Yamashita
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Patent Grant
Sintered Fe-Cr-Co type magnetic alloy and method for producing arti...
Patent number
4,601,876
Issue date
Jul 22, 1986
Sumitomo Special Metals Co., Ltd.
Michio Yamashita
B22 - CASTING POWDER METALLURGY