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Fumio Tohyama
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Matsue, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Stainless steel having a high hardness and excellent mirror-finishe...
Patent number
8,097,097
Issue date
Jan 17, 2012
Hitachi Metals Ltd.
Yoshiyuki Inoue
C21 - METALLURGY OF IRON
Information
Patent Grant
Stainless steel having a high hardness and excellent mirror-finishe...
Patent number
7,513,960
Issue date
Apr 7, 2009
Hitachi Metals, Ltd.
Yoshiyuki Inoue
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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Patent Application
STAINLESS STEEL HAVING A HIGH HARDNESS AND EXCELLENT MIRROR-FINISHE...
Publication number
20090110588
Publication date
Apr 30, 2009
Hitachi Metals, Ltd.
Yoshiyuki Inoue
C21 - METALLURGY OF IRON
Information
Patent Application
Stainless steel having a high hardness and excellent mirror-finishe...
Publication number
20060201593
Publication date
Sep 14, 2006
HITACHI METALS, LTD
Yoshiyuki Inoue
C21 - METALLURGY OF IRON