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Shuji Kawamura
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Chiyoda-ku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Hot-rolled steel sheet for coiled tubing and method for manufacturi...
Patent number
11,401,594
Issue date
Aug 2, 2022
JFE Steel Corporation
Hideyuki Kimura
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength hot-rolled steel sheet for electric resistance welded...
Patent number
11,214,847
Issue date
Jan 4, 2022
JFE Steel Corporation
Hiroshi Nakata
C21 - METALLURGY OF IRON
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
Information
Patent Grant
Hot-rolled steel sheet for high-strength electric-resistance welded...
Patent number
7,879,287
Issue date
Feb 1, 2011
JFE Steel Corporation
Takashi Kobayashi
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
HOT-ROLLED STEEL SHEET FOR COILED TUBING AND METHOD FOR MANUFACTURI...
Publication number
20210054487
Publication date
Feb 25, 2021
JFE STEEL CORPORATION
Hideyuki Kimura
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL MEMBER, HOT-ROLLED STEEL SHEET FOR STEEL MEMBER, AND PRODUCTI...
Publication number
20200190615
Publication date
Jun 18, 2020
JFE STEEL CORPORATION
Shunsuke Toyoda
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL MEMBER, HOT-ROLLED STEEL SHEET FOR STEEL MEMBER, AND PRODUCTI...
Publication number
20200190618
Publication date
Jun 18, 2020
JFE STEEL CORPORATION
Shunsuke Toyoda
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH HOT-ROLLED STEEL SHEET FOR ELECTRIC RESISTANCE WELDED...
Publication number
20190062862
Publication date
Feb 28, 2019
JFE STEEL CORPORATION
Hiroshi Nakata
C21 - METALLURGY OF IRON
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
Hot-rolled steel sheet for high-strength electric-resistance welded...
Publication number
20050183798
Publication date
Aug 25, 2005
JFE Steel Corporation, a corporation of Japan
Takashi Kobayashi
C21 - METALLURGY OF IRON