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Kei Miyanishi
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Toyko, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Tracked undercarriage component, and method for producing the same
Patent number
12,098,450
Issue date
Sep 24, 2024
Komatsu Ltd.
Eiji Amada
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel material and component
Patent number
12,006,557
Issue date
Jun 11, 2024
Nippon Steel Corporation
Kei Miyanishi
C21 - METALLURGY OF IRON
Information
Patent Grant
Bearing steel component, and steel bar for bearing steel component
Patent number
11,459,630
Issue date
Oct 4, 2022
Nippon Steel Corporation
Tatsuya Koyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel component, gear component, and producing method for steel com...
Patent number
10,889,870
Issue date
Jan 12, 2021
Aisin AW Co., Ltd.
Koji Obayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel for induction hardening
Patent number
10,808,304
Issue date
Oct 20, 2020
Nippon Steel Corporation
Yutaka Neishi
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for induction hardening
Patent number
10,801,091
Issue date
Oct 13, 2020
Nippon Steel Corporation
Akira Shiga
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for induction hardening
Patent number
10,793,937
Issue date
Oct 6, 2020
Nippon Steel Corporation
Toshiharu Aiso
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Steel for induction hardening roughly shaped material for induction...
Patent number
9,890,446
Issue date
Feb 13, 2018
Nippon Steel & Sumitomo Metal Corporation
Manabu Kubota
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
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
Steel wire rod or steel bar having excellent cold forgeability
Patent number
9,476,112
Issue date
Oct 25, 2016
Nippon Steel & Sumitomo Metal Corporation
Kei Miyanishi
C21 - METALLURGY OF IRON
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
Steel for machine structure exhibiting excellent machinability
Patent number
9,139,894
Issue date
Sep 22, 2015
Nippon Steel & Sumitomo Metal Corporation
Toshiharu Aiso
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
Steel for induction hardening, roughly shaped material for inductio...
Patent number
9,039,962
Issue date
May 26, 2015
Nippon Steel & Sumitomo Metal Corporation
Manabu Kubota
C21 - METALLURGY OF IRON
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 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
Carburized steel part
Patent number
8,801,873
Issue date
Aug 12, 2014
Nippon Steel & Sumitomo Metal Corporation
Kei Miyanishi
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
Cutting method of steel for machine structural use
Patent number
8,545,137
Issue date
Oct 1, 2013
Nippon Steel & Sumitomo Metal Corporation
Toshiharu Aiso
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Steel material for hardening
Patent number
8,535,459
Issue date
Sep 17, 2013
Nippon Steel & Sumitomo Metal Corporation
Kei Miyanishi
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
STEEL NEAR-NET-SHAPE MATERIAL AND METHOD FOR PRODUCING SAME
Publication number
20230151472
Publication date
May 18, 2023
NIPPON STEEL CORPORATION
Takahisa SUZUKI
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL MATERIAL AND COMPONENT
Publication number
20220145416
Publication date
May 12, 2022
NIPPON STEEL CORPORATION
Kei MIYANISHI
C21 - METALLURGY OF IRON
Information
Patent Application
IMPACT AND WEAR RESISTANT COMPONENT, AND METHOD FOR PRODUCING THE SAME
Publication number
20220025475
Publication date
Jan 27, 2022
Komatsu Ltd.
Eiji AMADA
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
TRACKED UNDERCARRIAGE COMPONENT, AND METHOD FOR PRODUCING THE SAME
Publication number
20210316801
Publication date
Oct 14, 2021
Komatsu Ltd.
Eiji AMADA
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
BEARING STEEL COMPONENT, AND STEEL BAR FOR BEARING STEEL COMPONENT
Publication number
20200407816
Publication date
Dec 31, 2020
NIPPON STEEL CORPORATION
Tatsuya KOYAMA
C21 - METALLURGY OF IRON
Information
Patent Application
CARBURIZED BEARING STEEL COMPONENT AND STEEL BAR FOR CARBURIZED BEA...
Publication number
20200340072
Publication date
Oct 29, 2020
NIPPON STEEL CORPORATION
Tatsuya KOYAMA
C21 - METALLURGY OF IRON
Information
Patent Application
Steel for Induction Hardening
Publication number
20190300992
Publication date
Oct 3, 2019
NIPPON STEEL & SUMITOMO METAL CORPORATION
Yutaka Neishi
C21 - METALLURGY OF IRON
Information
Patent Application
Steel for Induction Hardening
Publication number
20190300993
Publication date
Oct 3, 2019
NIPPON STEEL & SUMITOMO METAL CORPORATION
Yutaka Neishi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Steel for Induction Hardening
Publication number
20190300994
Publication date
Oct 3, 2019
NIPPON STEEL & SUMITOMO METAL CORPORATION
Kei Miyanishi
C21 - METALLURGY OF IRON
Information
Patent Application
Steel for Induction Hardening
Publication number
20190241997
Publication date
Aug 8, 2019
NIPPON STEEL & SUMITOMO METAL CORPORATION
Yutaka Neishi
C21 - METALLURGY OF IRON
Information
Patent Application
Steel for Induction Hardening
Publication number
20190153574
Publication date
May 23, 2019
NIPPON STEEL & SUMITOMO METAL CORPORATION
Akira Shiga
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
STEEL COMPONENT, GEAR COMPONENT, AND PRODUCING METHOD FOR STEEL COM...
Publication number
20190078171
Publication date
Mar 14, 2019
Aisin AW Co., Ltd.
Koji OBAYASHI
C21 - METALLURGY OF IRON
Information
Patent Application
CASE HARDENING STEEL, CARBURIZED COMPONENT, AND MANUFACTURING METHO...
Publication number
20190002999
Publication date
Jan 3, 2019
NIPPON STEEL & SUMITOMO METAL CORPORATION
Kei MIYANISHI
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR MACHINE STRUCTURAL USE AND INDUCTION-HARDENED STEEL COMPO...
Publication number
20180291487
Publication date
Oct 11, 2018
NIPPON STEEL & SUMITOMO METAL CORPORATION
Kei MIYANISHI
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR INDUCTION HARDENING
Publication number
20170067140
Publication date
Mar 9, 2017
NIPPON STEEL & SUMITOMO METAL CORPORATION
Toshiharu AISO
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
STEEL FOR INDUCTION HARDENING, ROUGHLY SHAPED MATERIAL FOR INDUCTIO...
Publication number
20150240335
Publication date
Aug 27, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Manabu KUBOTA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL WIRE ROD OR STEEL BAR HAVING EXCELLENT COLD FORGEABILITY
Publication number
20150044086
Publication date
Feb 12, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Kei Miyanishi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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 MACHINE STRUCTURE EXHIBITING EXCELLENT MACHINABILITY
Publication number
20130101457
Publication date
Apr 25, 2013
NIPPON STEEL & SUMITOMO METAL CORPORATION
Toshiharu Aiso
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
STEEL FOR INDUCTION HARDENING, ROUGHLY SHAPED MATERIAL FOR INDUCTIO...
Publication number
20130025747
Publication date
Jan 31, 2013
Manabu Kubota
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL MATERIAL FOR HARDENING AND METHOD FOR PRODUCING THE SAME
Publication number
20120279616
Publication date
Nov 8, 2012
Kei Miyanishi
C21 - METALLURGY OF IRON
Information
Patent Application
CUTTING METHOD OF STEEL FOR MACHINE STRUCTURAL USE
Publication number
20120085209
Publication date
Apr 12, 2012
Toshiharu Aiso
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
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
CARBURIZED STEEL PART
Publication number
20110036463
Publication date
Feb 17, 2011
Kei Miyanishi
C21 - METALLURGY OF IRON