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Tooru Matsumiya
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Steel product for welding
Patent number
8,142,574
Issue date
Mar 27, 2012
Nippon Steel Corporation
Akihito Kiyose
C21 - METALLURGY OF IRON
Information
Patent Grant
Low carbon steel sheet and low carbon steel slab and process for pr...
Patent number
8,048,197
Issue date
Nov 1, 2011
Nippon Steel Corporation
Katsuhiro Sasai
C21 - METALLURGY OF IRON
Information
Patent Grant
Low carbon steel sheet and low carbon steel slab and process for pr...
Patent number
7,347,904
Issue date
Mar 25, 2008
Nippon Steel Corporation
Katsuhiro Sasai
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for mitigating solidification segregation of steel
Patent number
4,738,301
Issue date
Apr 19, 1988
Nippon Steel Corporation
Yoshiyuki Ueshima
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
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Patent Application
STEEL PRODUCT FOR WELDING
Publication number
20110091347
Publication date
Apr 21, 2011
Akihito Kiyose
C21 - METALLURGY OF IRON
Information
Patent Application
Low carbon steel sheet and low carbon steel slab and process for pr...
Publication number
20080149298
Publication date
Jun 26, 2008
NIPPON STEEL CORPORATION
Katsuhiro Sasai
C21 - METALLURGY OF IRON
Information
Patent Application
Low carbon steel sheet, low carbon steel cast piece and method for...
Publication number
20040168749
Publication date
Sep 2, 2004
Katsuhiro Sasai
C21 - METALLURGY OF IRON