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Naoki Yoshinaga
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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Steel sheet and method of manufacturing steel sheet
Patent number
9,410,231
Issue date
Aug 9, 2016
Nippon Steel & Sumitomo Metal Corporation
Riki Okamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold-rolled steel sheet excellent in paint bake hardenability and o...
Patent number
9,290,835
Issue date
Mar 22, 2016
Nippon Steel & Summitomo Metal Corporation
Naoki Yoshinaga
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and method for producing same
Patent number
9,238,848
Issue date
Jan 19, 2016
Nippon Steel & Sumitomo Metal Corporation
Yoshihiro Suwa
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and high-strength zinc-coated steel sheet...
Patent number
9,139,885
Issue date
Sep 22, 2015
Nippon Steel & Sumitomo Metal Corporation
Hiroyuki Kawata
C21 - METALLURGY OF IRON
Information
Patent Grant
Front body structure
Patent number
8,979,104
Issue date
Mar 17, 2015
Nippon Steel & Sumitomo Metal Corporation
Toshiyuki Niwa
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
High-strength cold-rolled steel sheet and method of manufacturing t...
Patent number
8,951,366
Issue date
Feb 10, 2015
Nippon Steel & Sumitomo Metal Corporation
Kohichi Sano
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet having high young's modulus, hot-dip galvanized steel s...
Patent number
8,802,241
Issue date
Aug 12, 2014
Nippon Steel & Sumitomo Metal Corporation
Natsuko Sugiura
C21 - METALLURGY OF IRON
Information
Patent Grant
High yield ratio and high-strength thin steel sheet superior in wel...
Patent number
8,747,577
Issue date
Jun 10, 2014
Nippon Steel & Sumitomo Metal Corporation
Naoki Yoshinaga
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolled steel sheet excellent in fatigue properties and stretch-...
Patent number
8,657,970
Issue date
Feb 25, 2014
Nippon Steel & Sumitomo Metal Corporation
Naoki Yoshinaga
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and galvanized steel sheet having very go...
Patent number
8,460,481
Issue date
Jun 11, 2013
Nippon Steel & Sumitomo Metal Corporation
Masafumi Azuma
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength cold-rolled steel sheet, high-strength galvanized ste...
Patent number
8,163,108
Issue date
Apr 24, 2012
Nippon Steel Corporation
Masafumi Azuma
C21 - METALLURGY OF IRON
Information
Patent Grant
High-yield-ratio and high-strength thin steel sheet superior in wel...
Patent number
8,084,143
Issue date
Dec 27, 2011
Nippon Steel Corporation
Naoki Yoshinaga
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and galvanized steel sheet having very go...
Patent number
8,070,889
Issue date
Dec 6, 2011
Nippon Steel Corporation
Masafumi Azuma
Information
Patent Grant
Steel sheet having high young'S modulus, hot-dip galvanized steel s...
Patent number
8,057,913
Issue date
Nov 15, 2011
Nippon Steel Corporation
Natsuko Sugiura
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet excellent in workability
Patent number
8,052,807
Issue date
Nov 8, 2011
Nippon Steel Corporation
Naoki Yoshinaga
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold-rolled steel sheet excellent in workability
Patent number
7,776,161
Issue date
Aug 17, 2010
Nippon Steel Corporation
Naoki Yoshinaga
C21 - METALLURGY OF IRON
Information
Patent Grant
Method to produce steel sheet excellent in workability
Patent number
7,749,343
Issue date
Jul 6, 2010
Nippon Steel Corporation
Naoki Yoshinaga
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel plate exhibiting excellent workability and method for produci...
Patent number
7,534,312
Issue date
May 19, 2009
Nippon Steel Corporation
Naoki Yoshinaga
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength hot-rolled steel sheet excellent in shape fixability...
Patent number
7,485,195
Issue date
Feb 3, 2009
Nippon Steel Corporation
Natsuko Sugiura
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel plate excellent in shape freezing property and method for pro...
Patent number
6,962,631
Issue date
Nov 8, 2005
Nippon Steel Corporation
Natsuko Sugiura
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel pipe excellent in formability and method of producing the same
Patent number
6,866,725
Issue date
Mar 15, 2005
Nippon Steel Corporation
Nobuhiro Fujita
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold-rolled steel sheet or hot-rolled steel sheet excellent in pain...
Patent number
6,706,419
Issue date
Mar 16, 2004
Nippon Steel Corporation
Naoki Yoshinaga
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel pipe having high formability and method for producing the same
Patent number
6,632,296
Issue date
Oct 14, 2003
Nippon Steel Corporation
Naoki Yoshinaga
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold rolled steel sheet and galvanized steel sheet having improved...
Patent number
5,954,896
Issue date
Sep 21, 1999
Nippon Steel Corporation
Kazuo Koyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold-rolled steel sheet and hot-dip galvanized cold-rolled steel sh...
Patent number
5,690,755
Issue date
Nov 25, 1997
Nippon Steel Corporation
Naoki Yoshinaga
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-aging at room temperature ferritic single-phase cold-rolled ste...
Patent number
5,486,241
Issue date
Jan 23, 1996
Nippon Steel Corporation
Kohsaku Ushioda
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold rolled steel sheet and hot dip zinc-coated cold rolled steel s...
Patent number
5,470,403
Issue date
Nov 28, 1995
Nippon Steel Corporation
Naoki Yoshinaga
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength cold-rolled steel strip and molten zinc-plated high-s...
Patent number
5,384,206
Issue date
Jan 24, 1995
Nippon Steel Corporation
Kohsaku Ushioda
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for producing galvanized, non-aging cold rolled steel sheet...
Patent number
5,074,924
Issue date
Dec 24, 1991
Nippon Steel Corporation
Kohsaku Ushioda
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
HIGH YIELD RATIO HOT ROLLED STEEL SHEET WHICH HAS EXCELLENT LOW TEM...
Publication number
20140178712
Publication date
Jun 26, 2014
Naoki Maruyama
C21 - METALLURGY OF IRON
Information
Patent Application
FRONT BODY STRUCTURE
Publication number
20140054872
Publication date
Feb 27, 2014
Toshiyuki Niwa
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
HIGH-STRENGTH STEEL SHEET AND HIGH-STRENGTH ZINC-COATED STEEL SHEET...
Publication number
20130167980
Publication date
Jul 4, 2013
NIPPON STEEL & SUMITOMO METAL CORPORATION
Hiroyuki Kawata
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
HIGH-STRENGTH COLD-ROLLED STEEL SHEET AND METHOD OF MANUFACTURING T...
Publication number
20130037180
Publication date
Feb 14, 2013
NIPPON STEEL CORPORATION
Kohichi Sano
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20130008568
Publication date
Jan 10, 2013
NIPPON STEEL CORPORATION
Yoshihiro Suwa
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND METHOD OF MANUFACTURING STEEL SHEET
Publication number
20120305144
Publication date
Dec 6, 2012
NIPPON STEEL CORPORATION
Riki Okamoto
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET HAVING HIGH YOUNG'S MODULUS, HOT-DIP GALVANIZED STEEL S...
Publication number
20120077051
Publication date
Mar 29, 2012
NIPPON STEEL CORPORATION
Natsuko Sugiura
C21 - METALLURGY OF IRON
Information
Patent Application
High yield ratio and high-strength thin steel sheet superior in wel...
Publication number
20110232807
Publication date
Sep 29, 2011
NIPPON STEEL CORPORATION
Naoki Yoshinaga
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL SHEET AND GALVANIZED STEEL SHEET HAVING VERY GO...
Publication number
20110024004
Publication date
Feb 3, 2011
Masafumi Azuma
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-ROLLED STEEL SHEET EXCELLENT IN FATIGUE PROPERTIES AND STRETCH-...
Publication number
20110017360
Publication date
Jan 27, 2011
Naoki Yoshinaga
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH COLD-ROLLED STEEL SHEET, HIGH-STRENGTH GALVANIZED STE...
Publication number
20110008647
Publication date
Jan 13, 2011
Masafumi Azuma
C21 - METALLURGY OF IRON
Information
Patent Application
Cold-Rolled Steel Sheet Excellent in Paint Bake Hardenability and O...
Publication number
20090255610
Publication date
Oct 15, 2009
Naoki Yoshinaga
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Steel Sheet Excellent in Workability and Method for Producing the Same
Publication number
20080308200
Publication date
Dec 18, 2008
Naoki Yoshinaga
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Steel Sheet Excellent in Workability and Method for Producing the...
Publication number
20080295924
Publication date
Dec 4, 2008
Naoki Yoshinaga
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
STEEL SHEET EXCELLENT IN WORKABILITY AND METHOD FOR PRODUCING THE SAME
Publication number
20080166257
Publication date
Jul 10, 2008
Naoki Yoshinaga
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Steel Sheet Having High Young's Modulus, Hot-Dip Galvanized Steel S...
Publication number
20080008901
Publication date
Jan 10, 2008
NIPPON STEEL CORPORATION
Natsuko Sugiura
C21 - METALLURGY OF IRON
Information
Patent Application
High-strength hot-rolled steet excellent in shape fixability and me...
Publication number
20070089814
Publication date
Apr 26, 2007
Natsuko Sugiura
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
High-yield-ratio high-strength thin steel sheet and high-yield-rati...
Publication number
20070029015
Publication date
Feb 8, 2007
Naoki Yoshinaga
C21 - METALLURGY OF IRON
Information
Patent Application
Steel plate exhibiting excellent workability and method for produci...
Publication number
20040238081
Publication date
Dec 2, 2004
Naoki Yoshinaga
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Thin steel sheet for automobile excellent in notch fatigue strength...
Publication number
20040069382
Publication date
Apr 15, 2004
Tatsuo Yokoi
C21 - METALLURGY OF IRON
Information
Patent Application
Steel plate excellent in shape freezing property and method for pro...
Publication number
20030196735
Publication date
Oct 23, 2003
Natsuko Sugiura
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL PIPE HAVING HIGH FORMABILITY AND METHOD FOR PRODUCING THE SAME
Publication number
20030131909
Publication date
Jul 17, 2003
Naoki Yoshinaga
C21 - METALLURGY OF IRON
Information
Patent Application
Steel pipe excellent in formability and method for producing thereof
Publication number
20030116238
Publication date
Jun 26, 2003
Nobuhiro Fujita
C21 - METALLURGY OF IRON
Information
Patent Application
Cold rolled steel sheet and hot rolled steel sheet excellent in bak...
Publication number
20020197508
Publication date
Dec 26, 2002
Naoki Yoshinaga
C21 - METALLURGY OF IRON