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Kazuhisa FUJIWARA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Cooling system and cooling method of rolling steel
Patent number
9,255,304
Issue date
Feb 9, 2016
Nippon Steel & Sumitomo Metal Corporation
Seiji Sugiyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Cooling system and cooling method of rolling steel
Patent number
8,715,565
Issue date
May 6, 2014
Nippon Steel & Sumitomo Metal Corporation
Seiji Sugiyama
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
COOLING SYSTEM AND COOLING METHOD OF ROLLING STEEL
Publication number
20140208780
Publication date
Jul 31, 2014
NIPPON STEEL & SUMITOMO METAL CORPORATION
Seiji SUGIYAMA
C21 - METALLURGY OF IRON
Information
Patent Application
COOLING SYSTEM AND COOLING METHOD OF ROLLING STEEL
Publication number
20100307646
Publication date
Dec 9, 2010
Seiji Sugiyama
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...