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Hitoshi Demachi
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Chiyoda-ku, JP
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Patents Grants
last 30 patents
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Patent Grant
High-carbon steel wire rod exhibiting excellent workability
Patent number
8,859,095
Issue date
Oct 14, 2014
Nippon Steel & Sumitomo Metal Corporation
Seiki Nishida
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength steel wire for spring
Patent number
8,734,600
Issue date
May 27, 2014
Nippon Steel & Sumitomo Metal Corporation
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Grant
Deformed wire for reinforcing marine optical fiber cable
Patent number
7,402,215
Issue date
Jul 22, 2008
Nippon Steel Corporation
Shoichi Ohashi
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
HIGH STRENGTH STEEL WIRE FOR SPRING
Publication number
20120125489
Publication date
May 24, 2012
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Application
High-carbon steel wire rod of high ductility
Publication number
20110284139
Publication date
Nov 24, 2011
NIPPON STEEL CORPORATION
Seiki Nishida
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HIGH-CARBON STEEL WIRE ROD EXHIBITING EXCELLENT WORKABILITY
Publication number
20110229718
Publication date
Sep 22, 2011
Seiki Nishida
C21 - METALLURGY OF IRON
Information
Patent Application
High-carbon steel wire rod of high ductility
Publication number
20090087336
Publication date
Apr 2, 2009
Seiki Nishida
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Deformed wire for reinforcing marine optical fiber cable
Publication number
20060154101
Publication date
Jul 13, 2006
Shoichi Ohashi
C21 - METALLURGY OF IRON