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Masayuki Hashimura
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Patents Grants
last 30 patents
Information
Patent Grant
Spring steel with excellent fatigue resistance and method of manufa...
Patent number
10,350,676
Issue date
Jul 16, 2019
Nippon Steel & Sumitomo Metal Corporation
Masafumi Miyazaki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Spring steel and method for producing the same
Patent number
10,202,665
Issue date
Feb 12, 2019
Nippon Steel & Sumitomo Metal Corporation
Masayuki Hashimura
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High strength spring steel and steel wire
Patent number
10,131,973
Issue date
Nov 20, 2018
Nippon Steel & Sumitomo Metal Corporation
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for induction hardening with excellent fatigue properties
Patent number
9,896,749
Issue date
Feb 20, 2018
Nippon Steel & Sumitomo Metal Corporation
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Grant
Case hardening steel with excellent fatigue properties
Patent number
9,809,875
Issue date
Nov 7, 2017
Nippon Steel & Sumitomo Metal Corporation
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for surface hardening for machine structural use and part for...
Patent number
9,777,343
Issue date
Oct 3, 2017
Nippon Steel & Sumitomo Metal Corporation
Atsushi Mizuno
C21 - METALLURGY OF IRON
Information
Patent Grant
Bearing steel and method for producing same
Patent number
9,732,407
Issue date
Aug 15, 2017
Nippon Steel & Sumitomo Metal Corporation
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Grant
Forging steel
Patent number
9,657,379
Issue date
May 23, 2017
Nippon Steel & Sumitomo Metal Corporation
Hajime Saitoh
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot forging use non-heat-treated steel and hot forged non-heat-trea...
Patent number
9,487,848
Issue date
Nov 8, 2016
Nippon Steel & Sumitomo Metal Corporation
Shinya Teramoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Hot forging use non-heat-treated steel and hot forged non-heat-trea...
Patent number
9,376,738
Issue date
Jun 28, 2016
Nippon Steel & Sumitomo Metal Corporation
Shinya Teramoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for machine structure use for surface hardening and steel par...
Patent number
9,156,231
Issue date
Oct 13, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Atsushi Mizuno
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-working steel excellent in machinability and impact value
Patent number
9,127,336
Issue date
Sep 8, 2015
Nippon Steel & Sumitomo Metal Corporation
Kei Miyanishi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Case hardening steel, carburized component, and manufacturing metho...
Patent number
8,980,022
Issue date
Mar 17, 2015
Nippon Steel & Sumitomo Metal Corporation
Kei Miyanishi
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for nitriding and nitrided part
Patent number
8,876,988
Issue date
Nov 4, 2014
Nippon Steel & Sumitomo Metal Corporation
Tetsushi Chida
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength spring-use heat treated steel
Patent number
8,845,825
Issue date
Sep 30, 2014
Nippon Steel & Sumitomo Metal Corporation
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for surface hardening for machine structural use and part for...
Patent number
8,802,005
Issue date
Aug 12, 2014
Nippon Steel & Sumitomo Metal Corporation
Atsushi Mizuno
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength steel wire for spring
Patent number
8,734,600
Issue date
May 27, 2014
Nippon Steel & Sumitomo Metal Corporation
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Grant
Case hardening steel and manufacturing method thereof
Patent number
8,673,094
Issue date
Mar 18, 2014
Nippon Steel & Sumitomo Metal Corporation
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of production of steel superior in machinability
Patent number
8,137,484
Issue date
Mar 20, 2012
Nippon Steel Corporation
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength spring steel wire
Patent number
7,789,974
Issue date
Sep 7, 2010
Nippon Steel Corporation
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Grant
Heat-treated steel wire for high strength spring
Patent number
7,575,646
Issue date
Aug 18, 2009
Nippon Steel Corporation
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Grant
Superior in machinability and method of production of same
Patent number
7,488,396
Issue date
Feb 10, 2009
Nippon Steel Corporation
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel excellent in forgeability and machinability
Patent number
6,858,101
Issue date
Feb 22, 2005
Nippon Steel Corporation
Masayuki Hashimura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Steels for cold forging and process for producing the same
Patent number
6,419,761
Issue date
Jul 16, 2002
Nippon Steel Corporation
Masayuki Hashimura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
High toughness spring steel
Patent number
6,406,565
Issue date
Jun 18, 2002
Nippon Steel Corporation
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel wire for high-strength springs and method of producing the same
Patent number
6,338,763
Issue date
Jan 15, 2002
Nippon Steel Corporation
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength spring steel and process for producing same
Patent number
5,897,717
Issue date
Apr 27, 1999
Nippon Steel Corporation
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Grant
Ceramics coated cemented-carbide tool with high-fracture resistance
Patent number
5,123,934
Issue date
Jun 23, 1992
Nippon Steel Corporation
Sakae Katayama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
Steel for Machine Structural Use
Publication number
20190271065
Publication date
Sep 5, 2019
NIPPON STEEL & SUMITOMO METAL CORPORATION
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Application
Steel for Machine Structural Use
Publication number
20190233927
Publication date
Aug 1, 2019
NIPPON STEEL & SUMITOMO METAL CORPORATION
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Application
Steel for Machine Structural Use
Publication number
20190169723
Publication date
Jun 6, 2019
NIPPON STEEL & SUMITOMO METAL CORPORATION
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Application
SPRING STEEL AND METHOD FOR PRODUCING THE SAME
Publication number
20170044633
Publication date
Feb 16, 2017
NIPPON STEEL & SUMITOMO METAL CORPORATION
Masayuki HASHIMURA
C21 - METALLURGY OF IRON
Information
Patent Application
HOT FORGING USE NON-HEAT-TREATED STEEL AND HOT FORGED NON-HEAT-TREA...
Publication number
20160251743
Publication date
Sep 1, 2016
NIPPON STEEL & SUMITOMO METAL CORPORATION
Shinya TERAMOTO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SPRING STEEL WITH EXCELLENT FATIGUE RESISTANCE AND METHOD OF MANUFA...
Publication number
20160151832
Publication date
Jun 2, 2016
NIPPON STEEL & SUMITOMO METAL CORPORATION
Masafumi MIYAZAKI
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR INDUCTION HARDENING WITH EXCELLENT FATIGUE PROPERTIES
Publication number
20150203943
Publication date
Jul 23, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Masayuki Hashimura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
CASE HARDENING STEEL WITH EXCELLENT FATIGUE PROPERTIES
Publication number
20150191808
Publication date
Jul 9, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Masayuki Hashimura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
BEARING STEEL AND METHOD FOR PRODUCING SAME
Publication number
20140261906
Publication date
Sep 18, 2014
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR SURFACE HARDENING FOR MACHINE STRUCTURAL USE AND PART FOR...
Publication number
20140251507
Publication date
Sep 11, 2014
NIPPON STEEL & SUMITOMO METAL CORPORATION
Atsushi Mizuno
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR MACHINE STRUCTURE USE FOR SURFACE HARDENING AND STEEL PAR...
Publication number
20130220489
Publication date
Aug 29, 2013
Atsushi Mizuno
B32 - LAYERED PRODUCTS
Information
Patent Application
STEEL FOR NITRIDING AND NITRIDED PART
Publication number
20130087250
Publication date
Apr 11, 2013
NIPPON STEEL & SUMITOMO METAL CORPORATION
Tetsushi Chida
C21 - METALLURGY OF IRON
Information
Patent Application
CASE HARDENING STEEL AND MANUFACTURING METHOD THEREOF
Publication number
20130048156
Publication date
Feb 28, 2013
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Application
DRAWN HEAT TREATED STEEL WIRE FOR HIGH STRENGTH SPRING USE AND PRE-...
Publication number
20120291927
Publication date
Nov 22, 2012
NIPPON STEEL CORPORATION
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL WIRE FOR SPRING
Publication number
20120125489
Publication date
May 24, 2012
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Application
CASE-HARDENED STEEL SUPERIORIN COLD WORKABILITY, MACHINABILITY, AND...
Publication number
20120018063
Publication date
Jan 26, 2012
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Application
High strength spring steel wire and high strength spring and method...
Publication number
20110310924
Publication date
Dec 22, 2011
NIPPON STEEL CORPORATION
Manabu Kubota
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR SURFACE HARDENING FOR MACHINE STRUCTURAL USE AND PART FOR...
Publication number
20110274578
Publication date
Nov 10, 2011
Atsushi Mizuno
C21 - METALLURGY OF IRON
Information
Patent Application
CASE HARDENING STEEL, CARBURIZED COMPONENT, AND MANUFACTURING METHO...
Publication number
20110155290
Publication date
Jun 30, 2011
Kei Miyanishi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
STEEL FOR MACHINE STRUCTURE USE FOR SURFACE HARDENING AND STEEL PAR...
Publication number
20110041959
Publication date
Feb 24, 2011
Atsushi Mizuno
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR INDUCTION HARDENING
Publication number
20110002807
Publication date
Jan 6, 2011
NIPPON STEEL CORPORATION
Hajime Saitoh
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MARTENSITE TYPE HOT FORGING USE NON HEAT-TREATED STEEL AND HOT FORG...
Publication number
20100183473
Publication date
Jul 22, 2010
Shinya Teramoto
C21 - METALLURGY OF IRON
Information
Patent Application
Machine structural steel excellent in machinability and strength pr...
Publication number
20100124515
Publication date
May 20, 2010
NIPPON STEEL CORPORATION
Kei Miyanishi
C21 - METALLURGY OF IRON
Information
Patent Application
MACHINING STEEL SUPERIOR IN MANUFACTURABILITY
Publication number
20100054984
Publication date
Mar 4, 2010
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Application
Forging steel
Publication number
20100047106
Publication date
Feb 25, 2010
Hajime Saitoh
C21 - METALLURGY OF IRON
Information
Patent Application
High Strength Spring Steel and High Strength Heat Treated Steel Wir...
Publication number
20100028196
Publication date
Feb 4, 2010
Masayuki Hashimura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HOT-WORKING STEEL EXCELLENT IN MACHINABILITY AND IMPACT VALUE
Publication number
20090311125
Publication date
Dec 17, 2009
Kei Miyanishi
C21 - METALLURGY OF IRON
Information
Patent Application
Machine Structural Steel Excellent in Machinability and Strength Pr...
Publication number
20090274573
Publication date
Nov 5, 2009
Kei Miyanishi
C21 - METALLURGY OF IRON
Information
Patent Application
High strength spring-use heat treated steel
Publication number
20090205753
Publication date
Aug 20, 2009
Masayuki Hashimura
C21 - METALLURGY OF IRON
Information
Patent Application
High strength spring-use heat treated steel
Publication number
20090092516
Publication date
Apr 9, 2009
Masayuki Hashimura
C21 - METALLURGY OF IRON