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Sadayuki Nakamura
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Mie-ken, JP
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Patents Grants
last 30 patents
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Patent Grant
Non-heat treated steel for hot forging with easy fracture splitting
Patent number
7,670,444
Issue date
Mar 2, 2010
Daido Steel Co., Ltd.
Koichiro Inoue
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel composition for bearings and method of producing the same
Patent number
5,733,388
Issue date
Mar 31, 1998
Daido Tokiushuko Kabushiki Kaisha
Yutaka Kurebayashi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Patent Grant
Steel for gear, gear superior in strength of tooth surface and meth...
Patent number
5,595,613
Issue date
Jan 21, 1997
Nissan Motor Co., Ltd.
Atsumi Hatano
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
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Patent Application
Non-heat treated steel for hot forging with easy fracture splitting
Publication number
20030098095
Publication date
May 29, 2003
Koichiro Inoue
C21 - METALLURGY OF IRON