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Katsumi Nakajima
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Kawasaki-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
High strength hot rolled steel sheet having tensile strength of 780...
Patent number
10,400,316
Issue date
Sep 3, 2019
JFE Steel Corporation
Katsumi Nakajima
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot-rolled steel sheet for generator rim and method for manufacturi...
Patent number
10,301,698
Issue date
May 28, 2019
JFE Steel Corporation
Nobuyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength hot-rolled steel sheet and method for producing the same
Patent number
10,301,693
Issue date
May 28, 2019
JFE Steel Corporation
Katsumi Nakajima
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength hot-rolled steel sheet and method for producing same
Patent number
10,138,536
Issue date
Nov 27, 2018
JFE Steel Corporation
Katsumi Nakajima
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing high strength hot-rolled steel sheet havin...
Patent number
9,222,155
Issue date
Dec 29, 2015
JFE Steel Corporation
Nobuyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength steel sheet and method for manufacturing the same
Patent number
9,212,411
Issue date
Dec 15, 2015
JFE Steel Corporation
Koichi Nakagawa
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength hot rolled steel sheet having excellent bendability a...
Patent number
9,200,344
Issue date
Dec 1, 2015
JFE Steel Corporation
Hayato Saito
C21 - METALLURGY OF IRON
Information
Patent Grant
High tensile strength hot rolled steel sheet having excellent forma...
Patent number
9,068,238
Issue date
Jun 30, 2015
JFE Steel Corporation
Tamako Ariga
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength cold rolled steel sheet and process for producing the...
Patent number
7,559,997
Issue date
Jul 14, 2009
JFE Steel Corporation
Katsumi Nakajima
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD FOR PRODUCING THE SAME
Publication number
20160258032
Publication date
Sep 8, 2016
JFE STEEL CORPORATION
Katsumi Nakajima
B32 - LAYERED PRODUCTS
Information
Patent Application
HIGH STRENGTH HOT ROLLED STEEL SHEET HAVING TENSILE STRENGTH OF 780...
Publication number
20160138141
Publication date
May 19, 2016
JFE STEEL CORPORATION
Katsumi NAKAJIMA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HIGH STRENGTH HOT ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING T...
Publication number
20160076124
Publication date
Mar 17, 2016
JFE STEEL CORPORATION
Kazuhiko Yamazaki
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD FOR PRODUCING THE S...
Publication number
20160068937
Publication date
Mar 10, 2016
JFE STEEL CORPORATION
Katsumi Nakajima
B32 - LAYERED PRODUCTS
Information
Patent Application
HIGH STRENGTH HOT-ROLLED STEEL SHEET AND METHOD OF PRODUCING THE SAME
Publication number
20160060723
Publication date
Mar 3, 2016
JFE STEEL CORPORATION
Kazuhiko Yamazaki
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING T...
Publication number
20150368739
Publication date
Dec 24, 2015
JFE STEEL CORPORATION
Katsumi NAKAJIMA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING T...
Publication number
20150368738
Publication date
Dec 24, 2015
JFE STEEL CORPORATION
Katsumi NAKAJIMA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING T...
Publication number
20150368741
Publication date
Dec 24, 2015
JFE STEEL CORPORATION
Katsumi NAKAJIMA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20140338801
Publication date
Nov 20, 2014
JFE STEEL CORPORATION
Katsumi Nakajima
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH HOT ROLLED STEEL SHEET HAVING EXCELLENT BLANKING WORK...
Publication number
20140007993
Publication date
Jan 9, 2014
JFE STEEL CORPORATION
Katsumi Nakajima
B32 - LAYERED PRODUCTS
Information
Patent Application
HIGH STRENGTH HOT ROLLED STEEL SHEET HAVING EXCELLENT FATIGUE RESIS...
Publication number
20130276940
Publication date
Oct 24, 2013
JFE STEEL CORPORATION
Katsumi Nakajima
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT FORMABILITY A...
Publication number
20130206289
Publication date
Aug 15, 2013
JFE STEEL CORPORATION
Katsumi Nakajima
B32 - LAYERED PRODUCTS
Information
Patent Application
HIGH TENSILE STRENGTH GALVANIZED STEEL SHEET HAVING EXCELLENT FORMA...
Publication number
20130186523
Publication date
Jul 25, 2013
JFE STEEL CORPORATION
Tamako Ariga
B32 - LAYERED PRODUCTS
Information
Patent Application
HIGH STRENGTH HOT ROLLED STEEL SHEET HAVING EXCELLENT BENDABILITY A...
Publication number
20130167985
Publication date
Jul 4, 2013
JFE STEEL CORPORATION
Hayato Saito
B32 - LAYERED PRODUCTS
Information
Patent Application
HIGH STRENGTH HOT ROLLED STEEL SHEET HAVING EXCELLENT TOUGHNESS AND...
Publication number
20130160904
Publication date
Jun 27, 2013
Hayato Saito
B32 - LAYERED PRODUCTS
Information
Patent Application
HIGH TENSILE STRENGTH HOT ROLLED STEEL SHEET HAVING EXCELLENT FORMA...
Publication number
20130133790
Publication date
May 30, 2013
JFE STEEL CORPORATION
Tamako Ariga
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT FORMABILITY A...
Publication number
20130087252
Publication date
Apr 11, 2013
JFE STEEL CORPORATION
Tamako Ariga
B32 - LAYERED PRODUCTS
Information
Patent Application
HIGH STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT STRETCH FLANG...
Publication number
20130061989
Publication date
Mar 14, 2013
JFE STEEL CORPORATION
Nobuyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20120107633
Publication date
May 3, 2012
JFE STEEL CORPORATION
Koichi Nakagawa
C21 - METALLURGY OF IRON
Information
Patent Application
High-strength cold rolled steel sheet and process for producing the...
Publication number
20040261919
Publication date
Dec 30, 2004
JFE STEEL CORPORATION
Katsumi Nakajima
C21 - METALLURGY OF IRON