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Yuzo Takahashi
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Tooling for punching steel sheet and punching method
Patent number
10,384,256
Issue date
Aug 20, 2019
Nippon Steel Corporation
Yuzo Takahashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Hot rolled steel sheet and method of producing same
Patent number
9,732,405
Issue date
Aug 15, 2017
Nippon Steel & Sumitomo Metal Corporation
Yuzo Takahashi
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet exhibiting excellent stretch-flange forma...
Patent number
9,617,626
Issue date
Apr 11, 2017
Nippon Steel & Sumitomo Metal Corporation
Kenichi Yamamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength hot-rolled steel sheet and method of manufacturing th...
Patent number
9,121,079
Issue date
Sep 1, 2015
Nippon Steel & Sumitomo Metal Corporation
Yuzo Takahashi
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength part and method for producing the same
Patent number
7,842,142
Issue date
Nov 30, 2010
Nippon Steel Corporation
Kazuhisa Kusumi
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet highly resistant to dynamic deformation a...
Patent number
6,544,354
Issue date
Apr 8, 2003
Nippon Steel Corporation
Osamu Kawano
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel plate having high dynamic deformation resistanc...
Patent number
6,319,338
Issue date
Nov 20, 2001
Nippon Steel Corporation
Osamu Kawano
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
TOOLING FOR PUNCHING STEEL SHEET AND PUNCHING METHOD
Publication number
20160243606
Publication date
Aug 25, 2016
NIPPON STEEL & SUMITOMO METAL CORPORATION
Yuzo Takahashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HOT ROLLED STEEL SHEET AND METHOD OF PRODUCING SAME
Publication number
20140000769
Publication date
Jan 2, 2014
NIPPON STEEL & SUMITOMO METAL CORPORATION
Yuzo Takahashi
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL SHEET EXHIBITING EXCELLENT STRETCH-FLANGE FORMA...
Publication number
20130142688
Publication date
Jun 6, 2013
Kenichi Yamamoto
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD OF MANUFACTURING TH...
Publication number
20130000791
Publication date
Jan 3, 2013
Yuzo Takahashi
C21 - METALLURGY OF IRON