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Takato Tamai
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Chiyoda-ku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing hot rolled steel sheet for square column fo...
Patent number
10,876,180
Issue date
Dec 29, 2020
JFE Steel Corporation
Chikara Kami
E04 - BUILDING
Information
Patent Grant
Hot rolled steel sheet for square column for building structural me...
Patent number
9,708,680
Issue date
Jul 18, 2017
JFE Steel Corporation
Chikara Kami
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF MANUFACTURING HOT ROLLED STEEL SHEET FOR SQUARE COLUMN FO...
Publication number
20170275720
Publication date
Sep 28, 2017
JFE STEEL CORPORATION
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Application
HOT ROLLED STEEL SHEET FOR SQUARE COLUMN FOR BUILDING STRUCTURAL ME...
Publication number
20150292054
Publication date
Oct 15, 2015
JFE STEEL CORPORATION
Chikara Kami
C21 - METALLURGY OF IRON
Information
Patent Application
LOW-YIELD-RATIO HIGH-STRENGTH HOT-ROLLED STEEL PLATE WITH EXCELLENT...
Publication number
20140290807
Publication date
Oct 2, 2014
JFE STEEL CORPORATION
Sota Goto
C21 - METALLURGY OF IRON