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Toshimasa TOMOKIYO
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Steel sheet for hot stamping, method for production thereof, and ho...
Patent number
10,161,023
Issue date
Dec 25, 2018
Nippon Steel & Sumitomo Metal Corporation
Hiroyuki Tanahashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold-rolled steel sheet and method for manufacturing same, and hot-...
Patent number
10,072,324
Issue date
Sep 11, 2018
Nippon Steel & Sumitomo Metal Corporation
Toshiki Nonaka
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Steel sheet and method for manufacturing steel sheet
Patent number
10,030,280
Issue date
Jul 24, 2018
Nippon Steel & Sumitomo Metal Corporation
Kunio Hayashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold-rolled steel sheet for vitreous enameling and its named enamel...
Patent number
10,011,888
Issue date
Jul 3, 2018
Nippon Steel & Sumitomo Metal Corporation
Toshimasa Tomokiyo
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot stamped steel and method for producing hot stamped steel
Patent number
9,945,013
Issue date
Apr 17, 2018
Nippon Steel & Sumitomo Metal Corporation
Toshiki Nonaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold rolled steel sheet and method for producing cold rolled steel...
Patent number
9,920,407
Issue date
Mar 20, 2018
Nippon Steel & Sumitomo Metal Corporation
Toshiki Nonaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing hot stamped body having vertical wall and...
Patent number
9,896,736
Issue date
Feb 20, 2018
Nippon Steel & Sumitomo Metal Corporation
Toshimasa Tomokiyo
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing hot stamped body and hot stamped body
Patent number
9,840,751
Issue date
Dec 12, 2017
Nippon Steel & Sumitomo Metal Corporation
Kunio Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Hot stamped steel and method for producing the same
Patent number
9,725,782
Issue date
Aug 8, 2017
Nippon Steel & Sumitomo Metal Corporation
Toshiki Nonaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold rolled steel sheet and manufacturing method thereof
Patent number
9,605,329
Issue date
Mar 28, 2017
Nippon Steel & Sumitomo Metal Corporation
Toshiki Nonaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing hot stamped body and hot stamped body
Patent number
9,598,745
Issue date
Mar 21, 2017
Nippon Steel & Sumitomo Metal Corporation
Kunio Hayashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing a high strength hot-rolled steel plate exhibit...
Patent number
9,523,134
Issue date
Dec 20, 2016
Nippon Steel & Sumitomo Metal Corporation
Hiroyuki Tanahashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing hot stamped body having vertical wall and...
Patent number
9,512,499
Issue date
Dec 6, 2016
Nippon Steel & Sumitomo Metal Corporation
Toshimasa Tomokiyo
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength steel sheet excellent in delayed fracture resistance...
Patent number
9,353,424
Issue date
May 31, 2016
Nippon Steel & Sumitomo Metal Corporation
Hiroyuki Tanahashi
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet, hot-dipped steel sheet, and alloy hot-di...
Patent number
8,888,933
Issue date
Nov 18, 2014
Nippon Steel & Sumitomo Metal Corporation
Kunio Hayashi
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength press hardened article, and manufacturing method ther...
Patent number
8,858,735
Issue date
Oct 14, 2014
Toyota Jidosha Kabushiki Kaisha
Masaaki Kondo
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength hot-rolled steel plate exhibiting excellent acid pick...
Patent number
8,852,360
Issue date
Oct 7, 2014
Nippon Steel & Sumitomo Metal Corporation
Hiroyuki Tanahashi
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength quenched formed body with good corrosion resistance
Patent number
8,697,253
Issue date
Apr 15, 2014
Aisin Takaoka Co., Ltd.
Shinichi Suzuki
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength quenched formed body with good corrosion resistance a...
Patent number
8,133,544
Issue date
Mar 13, 2012
Aisin Takaoka Co., Ltd.
Shinichi Suzuki
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength quenched formed body with good corrosion resistance a...
Patent number
7,892,605
Issue date
Feb 22, 2011
Aisin Takaoka Co., Ltd.
Shinichi Suzuki
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet having excellent formality and resistance...
Patent number
6,428,631
Issue date
Aug 6, 2002
Nippon Steel Corporation
Toshimasa Tomokiyo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
STEEL SHEET FOR HOT STAMPING, METHOD FOR PRODUCTION THEREOF, AND HO...
Publication number
20180363109
Publication date
Dec 20, 2018
NIPPON STEEL & SUMITOMO METAL CORPORATION
Hiroyuki TANAHASHI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
STEEL PLATE AND METHOD OF PRODUCTION OF SAME
Publication number
20180230582
Publication date
Aug 16, 2018
NIPPON STEEL & SUMITOMO METAL CORPORATION
Kengo TAKEDA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-CARBON STEEL SHEET AND METHOD OF MANUFACTURING THE SAME
Publication number
20170306434
Publication date
Oct 26, 2017
NIPPON STEEL & SUMITOMO METAL CORPORATION
Kengo TAKEDA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING HOT STAMPED BODY AND HOT STAMPED BODY
Publication number
20170145531
Publication date
May 25, 2017
NIPPON STEEL & SUMITOMO METAL CORPORATION
Kunio HAYASHI
C21 - METALLURGY OF IRON
Information
Patent Application
MIDDLE/HIGH CARBON STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20170067132
Publication date
Mar 9, 2017
NIPPON STEEL & SUMITOMO METAL CORPORATION
Kengo TAKEDA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING HOT STAMPED BODY HAVING VERTICAL WALL AND...
Publication number
20170051372
Publication date
Feb 23, 2017
NIPPON STEEL & SUMITOMO METAL CORPORATION
Toshimasa TOMOKIYO
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-CARBON STEEL SHEET AND METHOD OF MANUFACTURING THE SAME
Publication number
20160289787
Publication date
Oct 6, 2016
NIPPON STEEL & SUMITOMO METAL CORPORATION
Kengo TAKEDA
C21 - METALLURGY OF IRON
Information
Patent Application
COLD-ROLLED STEEL SHEET FOR VITREOUS ENAMELING, METHOD FOR PRODUCIN...
Publication number
20160201154
Publication date
Jul 14, 2016
NIPPON STEEL & SUMITOMO METAL CORPORATION
Toshimasa TOMOKIYO
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL SHEET EXCELLENT IN DELAYED FRACTURE RESISTANCE...
Publication number
20160024610
Publication date
Jan 28, 2016
NIPPON STEEL & SUMITOMO METAL CORPORATION
Hiroyuki Tanahashi
B32 - LAYERED PRODUCTS
Information
Patent Application
COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME, AND HOT-...
Publication number
20150225830
Publication date
Aug 13, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Toshiki Nonaka
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
HOT STAMPED STEEL AND METHOD FOR PRODUCING THE SAME
Publication number
20150050519
Publication date
Feb 19, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Toshiki Nonaka
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET FOR HOT STAMPING, METHOD FOR PRODUCTION THEREOF, AND HO...
Publication number
20150024237
Publication date
Jan 22, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Hiroyuki Tanahashi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HOT STAMPED STEEL AND METHOD FOR PRODUCING HOT STAMPED STEEL
Publication number
20150010775
Publication date
Jan 8, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Toshiki Nonaka
B32 - LAYERED PRODUCTS
Information
Patent Application
COLD ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREOF
Publication number
20140370329
Publication date
Dec 18, 2014
Toshiki Nonaka
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
HIGH STRENGTH HOT-ROLLED STEEL PLATE EXHIBITING EXCELLENT ACID PICK...
Publication number
20140360631
Publication date
Dec 11, 2014
Hiroyuki TANAHASHI
C21 - METALLURGY OF IRON
Information
Patent Application
COLD ROLLED STEEL SHEET AND METHOD FOR PRODUCING COLD ROLLED STEEL...
Publication number
20140342185
Publication date
Nov 20, 2014
Toshiki Nonaka
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL SHEET, HOT-DIPPED STEEL SHEET, AND ALLOY HOT-DI...
Publication number
20140311631
Publication date
Oct 23, 2014
Kunio Hayashi
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING HOT STAMPED BODY AND HOT STAMPED BODY
Publication number
20130292009
Publication date
Nov 7, 2013
Kunio Hayashi
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
STEEL SHEET AND METHOD FOR MANUFACTURING STEEL SHEET
Publication number
20130220490
Publication date
Aug 29, 2013
Kunio Hayashi
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING HOT STAMPED BODY HAVING VERTICAL WALL AND...
Publication number
20130199676
Publication date
Aug 8, 2013
Toshimasa Tomokiyo
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH HOT-ROLLED STEEL PLATE EXHIBITING EXCELLENT ACID PICK...
Publication number
20120279620
Publication date
Nov 8, 2012
NIPPON STEEL CORPORATION
Hiroyuki Tanahashi
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL SHEET, HOT-DIPPED STEEL SHEET, AND ALLOY HOT-DI...
Publication number
20120031528
Publication date
Feb 9, 2012
Kunio Hayashi
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH PRESS HARDENED ARTICLE, AND MANUFACTURING METHOD THER...
Publication number
20110303328
Publication date
Dec 15, 2011
Toyota Jidosha Kabushiki Kaisha
Masaaki Kondo
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH QUENCHED FORMED BODY WITH GOOD CORROSION RESISTANCE A...
Publication number
20110117382
Publication date
May 19, 2011
AISIN TAKAOKA CO., LTD.
SHINICHI SUZUKI
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH QUENCHED FORMED BODY WITH GOOD CORROSION RESISTANCE A...
Publication number
20100326570
Publication date
Dec 30, 2010
AISIN TAKAOKA CO., LTD.
Shinichi Suzuki
C21 - METALLURGY OF IRON
Information
Patent Application
High-Strength Quenched Formed Body with Good Corrosion Resistance a...
Publication number
20080075970
Publication date
Mar 27, 2008
Aisin Takaoka Co., Ltd.
Shinichi Suzuki
C21 - METALLURGY OF IRON