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Hideyuki Misumi
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Ohita, JP
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last 30 patents
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Patent Grant
Method for improving internal center segregation and center porosit...
Patent number
5,083,604
Issue date
Jan 28, 1992
Nippon Steel Corporation
Masafumi Zeze
B22 - CASTING POWDER METALLURGY
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Patent Grant
Injection apparatus and injection control method for high-speed thi...
Patent number
5,027,885
Issue date
Jul 2, 1991
Nippon Steel Corporation
Keisuke Fujisake
B22 - CASTING POWDER METALLURGY