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The Ishizuka Research Institute, Ltd.
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Kanagawa-ken, US
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Patents Grants
last 30 patents
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Patent Grant
Sintered composites containing superabrasive particles
Patent number
6,203,897
Issue date
Mar 20, 2001
The Ishizuka Research Institute, Ltd.
Mitsue Koizumi
B22 - CASTING POWDER METALLURGY