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Yasushi Nakamura
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Tokyo, JA
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last 30 patents
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Patent Grant
Method for decreasing the amount of carbon and nitrogen contained i...
Patent number
4,050,960
Issue date
Sep 27, 1977
Nippon Steel Corporation
Yasushi Nakamura
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for dephosphorization and denitrification of an alloy contai...
Patent number
4,008,104
Issue date
Feb 15, 1977
Nippon Steel Corporation
Yasushi Nakamura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...