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Katsutoshi Ito
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
High carbon steel and production method thereof
Patent number
7,147,730
Issue date
Dec 12, 2006
JFE Steel Corporation
Nobuyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and method for manufacturing the same
Patent number
6,767,417
Issue date
Jul 27, 2004
NKK Corporation
Takeshi Fujita
C21 - METALLURGY OF IRON
Information
Patent Grant
High carbon steel sheet
Patent number
6,652,671
Issue date
Nov 25, 2003
NKK Corporation
Nobuyuki Nakamura
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
High carbon steel sheet and production method thereof
Publication number
20040123924
Publication date
Jul 1, 2004
NKK Corporation
Nobuyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Application
Steel sheet and method for manufacturing the same
Publication number
20030121576
Publication date
Jul 3, 2003
NKK Corporation
Takeshi Fujita
C21 - METALLURGY OF IRON
Information
Patent Application
High carbon steel sheet and production method thereof
Publication number
20020088511
Publication date
Jul 11, 2002
Nobuyuki Nakamura
C21 - METALLURGY OF IRON