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Junichiro Hirasawa
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Hiroshima, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Stainless steel sheet including Ni and O-containing coating on surf...
Patent number
10,988,853
Issue date
Apr 27, 2021
JFE Steel Corporation
Junichiro Hirasawa
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ferritic stainless steel sheet for plasma arc welding and welding m...
Patent number
10,272,513
Issue date
Apr 30, 2019
JFE Steel Corporation
Junichiro Hirasawa
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
Method for manufacturing high-Si cold rolled steel sheet having exc...
Patent number
8,911,574
Issue date
Dec 16, 2014
JFE Steel Corporation
Shinji Ootsuka
C21 - METALLURGY OF IRON
Information
Patent Grant
Stainless steel sheet with excellent heat and corrosion resistances...
Patent number
8,852,361
Issue date
Oct 7, 2014
JFE Steel Corporation
Junichiro Hirasawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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
Brake disk excellent in temper softening resistance and toughness
Patent number
8,657,971
Issue date
Feb 25, 2014
JFE Steel Corporation
Junichiro Hirasawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Soft Cr-containing steel
Patent number
RE44709
Issue date
Jan 21, 2014
JFE Steel Corporation
Atsushi Miyazaki
148 - Metal treatment
Information
Patent Grant
Martensitic stainless steel for disk brakes
Patent number
8,357,247
Issue date
Jan 22, 2013
JFE Steel Corporation
Junichiro Hirasawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Martensitic stainless steel sheet and method for making the same
Patent number
7,572,407
Issue date
Aug 11, 2009
JFE Steel Corporation
Junichiro Hirasawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Stainless steel sheet for welded structural components and method f...
Patent number
7,429,302
Issue date
Sep 30, 2008
JFE Steel Corporation
Junichiro Hirasawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Soft Cr-containing steel
Patent number
7,341,690
Issue date
Mar 11, 2008
JFE Steel Corporation
Atsushi Miyazaki
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength stainless steel material in the form of a wheel rim a...
Patent number
7,294,212
Issue date
Nov 13, 2007
JFE Steel Corporation
Junichiro Hirasawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Soft Cr-containing steel
Patent number
6,740,174
Issue date
May 25, 2004
JFE Steel Corporation
Atsushi Miyazaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Corrosion-resistant chromium steel for architectural and civil engi...
Patent number
6,737,018
Issue date
May 18, 2004
JFE Steel Corporation
Hiroki Ota
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Ferritic stainless steel sheet having superior workability at room...
Patent number
6,521,056
Issue date
Feb 18, 2003
Kawasaki Steel Corporation
Mineo Muraki
C21 - METALLURGY OF IRON
Information
Patent Grant
Ferritic stainless steel
Patent number
6,426,039
Issue date
Jul 30, 2002
Kawasaki Steel Corporation
Junichiro Hirasawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Highly corrosion-resistant chromium-containing steel with excellent...
Patent number
6,168,756
Issue date
Jan 2, 2001
Kawasaki Steel Corporation
Junichiro Hirasawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
STAINLESS STEEL SHEET INCLUDING Ni AND O-CONTAINING COATING ON SURF...
Publication number
20190032236
Publication date
Jan 31, 2019
JFE STEEL CORPORATION
Junichiro Hirasawa
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
LUBRICANT COATING MATERIALS FOR STAINLESS STEEL SHEETS, AND LUBRICA...
Publication number
20180345317
Publication date
Dec 6, 2018
JFE STEEL CORPORATION
Junichiro HIRASAWA
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
FERRITIC STAINLESS STEEL SHEET FOR UREA SCR CASING (AS AMENDED)
Publication number
20180195157
Publication date
Jul 12, 2018
JFE STEEL CORPORATION
Junichiro Hirasawa
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL SHEET FOR PLASMA ARC WELDING AND WELDING M...
Publication number
20170266751
Publication date
Sep 21, 2017
JFE STEEL CORPORATION
Junichiro Hirasawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR MANUFACTURING HIGH-Si COLD ROLLED STEEL SHEET HAVING EXC...
Publication number
20130048157
Publication date
Feb 28, 2013
JFE STEEL CORPORATION
Shinji Ootsuka
C21 - METALLURGY OF IRON
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
Martensitic stainless steel for disc brakes
Publication number
20120048662
Publication date
Mar 1, 2012
JFE STEEL CORPORATION
Junichiro Hirasawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
BRAKE DISK HAVING HIGH TEMPER SOFTENING RESISTANCE
Publication number
20090162240
Publication date
Jun 25, 2009
JFE Steel Corp.
Junichiro Hirasawa
C21 - METALLURGY OF IRON
Information
Patent Application
Brake Disk Excellent in Temper Softening Resistance and Toughness
Publication number
20090104068
Publication date
Apr 23, 2009
JFE STEEL CORPORATION
Junichiro Hirasawa
C21 - METALLURGY OF IRON
Information
Patent Application
Stainless Steel Sheet with Excellent Heat and Corrosion Resistances...
Publication number
20080000737
Publication date
Jan 3, 2008
JFE Steel Corporation, a corporation of Japan
Junichiro Hirasawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Martensitic stainless steel for disk brakes
Publication number
20060113008
Publication date
Jun 1, 2006
JFE STEEL CORPORATION
Junichiro Hirasawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Soft Cr-containing steel
Publication number
20040244878
Publication date
Dec 9, 2004
JFE STEEL CORPORATION
Atsushi Miyazaki
C21 - METALLURGY OF IRON
Information
Patent Application
High-strength stainless steel sheet and method for manufacturing th...
Publication number
20040226634
Publication date
Nov 18, 2004
JFE STEEL CORPORATION
Junichiro Hirasawa
C21 - METALLURGY OF IRON
Information
Patent Application
Stainless steel sheet for welded structural components and method f...
Publication number
20030188813
Publication date
Oct 9, 2003
KAWASAKI STEEL CORPORATION
Junichiro Hirasawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Martensitic stainless steel sheet and method for making the same
Publication number
20030138342
Publication date
Jul 24, 2003
Kawasaki Steel Corporation
Junichiro Hirasawa
C21 - METALLURGY OF IRON
Information
Patent Application
Cr containing steel for welded structure
Publication number
20030044305
Publication date
Mar 6, 2003
Atsushi Miyazaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Corrosion-resistant chromium steel for architectural and civil engi...
Publication number
20020155019
Publication date
Oct 24, 2002
Kawasaki Steel Corporation
Hiroki Ota
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Soft Cr-containing steel
Publication number
20020098107
Publication date
Jul 25, 2002
Kawasaki Steel Corporation
Atsushi Miyazaki
C21 - METALLURGY OF IRON
Information
Patent Application
Ferritic stainless steel sheet having superior workability at room...
Publication number
20020036036
Publication date
Mar 28, 2002
Kawasaki Steel Corporation
Mineo Muraki
C21 - METALLURGY OF IRON
Information
Patent Application
Ferritic stainless steel
Publication number
20020007876
Publication date
Jan 24, 2002
Kawasaki Steel Corporation
Junichiro Hirasawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...