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Keiji Inoue
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Yasugi, JP
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Patents Grants
last 30 patents
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Patent Grant
Method for manufacturing a high speed tool steel
Patent number
7,754,032
Issue date
Jul 13, 2010
Hitachi Metals, Ltd.
Shiho Fukumoto
C21 - METALLURGY OF IRON
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Patent Grant
High speed tool steel
Patent number
7,229,507
Issue date
Jun 12, 2007
Hitachi Metals, Ltd.
Shiho Fukumoto
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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Patent Application
HIGH SPEED TOOL STEEL AND ITS MANUFACTURING METHOD
Publication number
20070199630
Publication date
Aug 30, 2007
HITACHI METALS, LTD
Shiho Fukumoto
C21 - METALLURGY OF IRON
Information
Patent Application
High speed tool steel and its manufacturing method
Publication number
20040200552
Publication date
Oct 14, 2004
HITACHI METALS, LTD
Shiho Fukumoto
C21 - METALLURGY OF IRON