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Kohei Hasegawa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
High-strength steel sheet, high-strength galvanized steel sheet, me...
Patent number
10,941,471
Issue date
Mar 9, 2021
JFE Steel Corporation
Kenji Kawamura
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High-strength cold-rolled steel sheet and method for manufacturing...
Patent number
10,590,504
Issue date
Mar 17, 2020
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
High-yield-ratio high-strength cold-rolled steel sheet and method o...
Patent number
10,435,762
Issue date
Oct 8, 2019
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength cold-rolled steel sheet with excellent material homog...
Patent number
10,329,636
Issue date
Jun 25, 2019
JFE Steel Corporation
Katsutoshi Takashima
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High-yield-ratio, high-strength cold-rolled steel sheet and product...
Patent number
10,253,389
Issue date
Apr 9, 2019
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength galvanized steel sheet having excellent bendability a...
Patent number
10,196,727
Issue date
Feb 5, 2019
JFE Steel Corporation
Shusaku Takagi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength cold-rolled steel sheet and method for manufacturing...
Patent number
10,174,396
Issue date
Jan 8, 2019
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
High-yield-ratio, high-strength cold rolled steel sheet and product...
Patent number
10,156,005
Issue date
Dec 18, 2018
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength cold rolled steel sheet with low yield ratio and meth...
Patent number
10,144,996
Issue date
Dec 4, 2018
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength cold-rolled steel sheet and method of manufacturing t...
Patent number
10,077,486
Issue date
Sep 18, 2018
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Pneumatic radial tire for passenger vehicle
Patent number
10,000,090
Issue date
Jun 19, 2018
Bridgestone Corporation
Kohei Hasegawa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
High strength cold rolled steel sheet with high yield ratio and met...
Patent number
9,994,941
Issue date
Jun 12, 2018
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Bake-hardening galvanized steel sheet
Patent number
9,920,394
Issue date
Mar 20, 2018
JFE Steel Corporation
Kohei Hasegawa
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength cold-rolled steel sheet with high yield ratio having...
Patent number
9,914,988
Issue date
Mar 13, 2018
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolled steel sheet and method for producing same
Patent number
9,574,254
Issue date
Feb 21, 2017
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing ultra high strength member
Patent number
9,145,594
Issue date
Sep 29, 2015
JFE Steel Corporation
Yuki Toji
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength cold-rolled steel sheet and method for producing the...
Patent number
9,090,952
Issue date
Jul 28, 2015
JFE Steel Corporation
Yoichi Makimizu
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolled steel sheet and method for producing same
Patent number
9,057,123
Issue date
Jun 16, 2015
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength galvanized steel sheet having excellent formability,...
Patent number
8,828,557
Issue date
Sep 9, 2014
JFE Steel Corporation
Shusaku Takagi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing of high strength cold rolled steel sheet o...
Patent number
8,668,789
Issue date
Mar 11, 2014
JFE Steel Corporation
Junichiro Hirasawa
C21 - METALLURGY OF IRON
Information
Patent Grant
High tensile-strength galvanized steel sheet and process for manufa...
Patent number
8,389,128
Issue date
Mar 5, 2013
JFE Steel Corporation
Shusaku Takagi
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength steel sheet having superior ductility
Patent number
7,919,194
Issue date
Apr 5, 2011
JFE Steel Corporation
Kenji Kawamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing cold rolled steel plate of super high strength
Patent number
7,507,307
Issue date
Mar 24, 2009
JFE Steel Corporation
Kohei Hasegawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Ultra-high strength cold rolled steel sheet and method for manufact...
Patent number
6,695,933
Issue date
Feb 24, 2004
NKK Corporation
Kohei Hasegawa
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength cold rolled steel sheet and method for manufacturing...
Patent number
6,689,229
Issue date
Feb 10, 2004
NKK Corporation
Takeshi Fujita
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength cold rolled steel sheet and method for manufacturing...
Patent number
6,494,969
Issue date
Dec 17, 2002
NKK Corporation
Takeshi Fujita
C21 - METALLURGY OF IRON
Information
Patent Grant
Low baking temperature hardenable aluminum alloy sheet for press-fo...
Patent number
5,580,402
Issue date
Dec 3, 1996
NKK Corporation
Takeshi Fujita
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of manufacturing natural aging-retardated aluminum alloy sheet
Patent number
5,460,666
Issue date
Oct 24, 1995
NKK Corporation
Takeshi Fujita
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of manufacturing natural aging-retardated aluminum alloy she...
Patent number
5,441,582
Issue date
Aug 15, 1995
NKK Corporation
Takeshi Fujita
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
PNEUMATIC TIRE
Publication number
20220258543
Publication date
Aug 18, 2022
Bridgestone Corporation
Kohei HASEGAWA
B60 - VEHICLES IN GENERAL
Information
Patent Application
PNEUMATIC TIRE
Publication number
20220242173
Publication date
Aug 4, 2022
Bridgestone Corporation
Kohei HASEGAWA
B60 - VEHICLES IN GENERAL
Information
Patent Application
HIGH-STRENGTH STEEL SHEET, HIGH-STRENGTH GALVANIZED STEEL SHEET, ME...
Publication number
20190017156
Publication date
Jan 17, 2019
JFE STEEL CORPORATION
Kenji Kawamura
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH COLD-ROLLED STEEL SHEET AND METHOD OF PRODUCING THE SAME
Publication number
20180037969
Publication date
Feb 8, 2018
JFE STEEL CORPORATION
Shimpei Yoshioka
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20170321297
Publication date
Nov 9, 2017
JFE STEEL CORPORATION
Katsutoshi TAKASHIMA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-YIELD-RATIO HIGH-STRENGTH COLD-ROLLED STEEL SHEET AND METHOD O...
Publication number
20170145534
Publication date
May 25, 2017
JFE STEEL CORPORATION
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-YIELD-RATIO, HIGH-STRENGTH COLD-ROLLED STEEL SHEET AND PRODUCT...
Publication number
20170107591
Publication date
Apr 20, 2017
JFE STEEL CORPORATION
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH COLD-ROLLED STEEL SHEET WITH EXCELLENT MATERIAL HOMOG...
Publication number
20170022582
Publication date
Jan 26, 2017
JFE STEEL CORPORATION
Katsutoshi TAKASHIMA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20160369369
Publication date
Dec 22, 2016
JFE STEEL CORPORATION
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Application
BAKE- HARDENING GALVANIZED STEEL SHEET
Publication number
20160298207
Publication date
Oct 13, 2016
JFE STEEL CORPORATION
Kohei HASEGAWA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-YIELD-RATIO, HIGH-STRENGTH COLD ROLLED STEEL SHEET AND PRODUCT...
Publication number
20160177427
Publication date
Jun 23, 2016
JFE STEEL CORPORATION
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH COLD-ROLLED STEEL SHEET AND METHOD OF MANUFACTURING T...
Publication number
20160177414
Publication date
Jun 23, 2016
JFE STEEL CORPORATION
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH GALVANIZED STEEL SHEET HAVING EXCELLENT BENDABILITY A...
Publication number
20160017473
Publication date
Jan 21, 2016
JFE STEEL CORPORATION
Shusaku Takagi
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH COLD ROLLED STEEL SHEET WITH LOW YIELD RATIO AND METH...
Publication number
20150322552
Publication date
Nov 12, 2015
JFE STEEL CORPORATION
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH COLD ROLLED STEEL SHEET WITH HIGH YIELD RATIO AND MET...
Publication number
20140332119
Publication date
Nov 13, 2014
JFE STEEL CORPORATION
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Application
PNEUMATIC RADIAL TIRE FOR PASSENGER VEHICLE
Publication number
20140299247
Publication date
Oct 9, 2014
BRIDGESTONE CORPORATION
Kohei Hasegawa
B60 - VEHICLES IN GENERAL
Information
Patent Application
HOT-ROLLED STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20140299238
Publication date
Oct 9, 2014
JEF STEEL CORPORATION
Katsutoshi Takashima
B32 - LAYERED PRODUCTS
Information
Patent Application
HOT-ROLLED STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20140246128
Publication date
Sep 4, 2014
Katsutoshi Takashima
B32 - LAYERED PRODUCTS
Information
Patent Application
HOT-DIP GALVANIZED STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20140234655
Publication date
Aug 21, 2014
Katsutoshi Takashima
B32 - LAYERED PRODUCTS
Information
Patent Application
HIGH-STRENGTH COLD-ROLLED STEEL SHEET WITH HIGH YIELD RATIO HAVING...
Publication number
20130340898
Publication date
Dec 26, 2013
JFE STEEL CORPORATION
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING ULTRA HIGH STRENGTH MEMBER AND METHOD FOR...
Publication number
20130199679
Publication date
Aug 8, 2013
JFE STEEL CORPORATION
Yuki Toji
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
ULTRA HIGH STRENGTH COLD ROLLED STEEL SHEET HAVING EXCELLENT DUCTIL...
Publication number
20130087257
Publication date
Apr 11, 2013
JFE STEEL CORPORATION
Masataka Yoshino
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH GALVANIZED STEEL SHEET HAVING EXCELLENT BENDABILITY A...
Publication number
20130071687
Publication date
Mar 21, 2013
JFE STEEL CORPORATION
Shusaku Takagi
B32 - LAYERED PRODUCTS
Information
Patent Application
HIGH-STRENGTH COLD-ROLLED STEEL SHEET AND METHOD FOR PRODUCING THE...
Publication number
20120325376
Publication date
Dec 27, 2012
JFE STEEL CORPORATION
Yoichi Makimizu
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING OF HIGH STRENGTH COLD ROLLED STEEL SHEET O...
Publication number
20120186707
Publication date
Jul 26, 2012
JFE STEEL CORPORATION
Junichiro Hirasawa
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH GALVANIZED STEEL SHEET HAVING EXCELLENT FORMABILITY,...
Publication number
20120040203
Publication date
Feb 16, 2012
JFE STEEL CORPORATION
Shusaku Takagi
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH TENSILE-STRENGTH GALVANIZED STEEL SHEET AND PROCESS FOR MANUFA...
Publication number
20100132849
Publication date
Jun 3, 2010
JFE STEEL CORPORATION
Shusaku Takagi
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20100035079
Publication date
Feb 11, 2010
JFE STEEL CORPORATION
Kohei Hasegawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for manufacturing a high strength steel sheet
Publication number
20090223607
Publication date
Sep 10, 2009
JFE STEEL CORPORATION
Kohei Hasegawa
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL SHEET HAVING SUPERIOR DUCTILITY AND METHOD FOR...
Publication number
20090214892
Publication date
Aug 27, 2009
JFE Steel Corporation, a corporation of Japan
Kenji Kawamura
C21 - METALLURGY OF IRON