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Patents Grants
last 30 patents
Information
Patent Grant
Sintered friction material for railway vehicles and method for prod...
Patent number
11,674,206
Issue date
Jun 13, 2023
Nippon Steel Corporation
Manabu Kubota
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Hard particle, sliding member, and production method of sintered alloy
Patent number
11,634,799
Issue date
Apr 25, 2023
Toyota Jidosha Kabushiki Kaisha
Yuki Kamo
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Brake lining for railway vehicle, disc brake system for railway veh...
Patent number
11,578,775
Issue date
Feb 14, 2023
Nippon Steel Corporation
Takahiro Fujimoto
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Sintered friction material
Patent number
11,534,829
Issue date
Dec 27, 2022
Nippon Steel Corporation
Manabu Kubota
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Brake lining for a railway vehicle and disk brake equipped with the...
Patent number
11,434,964
Issue date
Sep 6, 2022
Nippon Steel Corporation
Takahiro Fujimoto
B61 - RAILWAYS
Information
Patent Grant
Manufacturing method of wear-resistant iron-based sintered alloy an...
Patent number
10,619,229
Issue date
Apr 14, 2020
TOYOTA JIDOSHA KABUSHIKI KAISHA
Nobuyuki Shinohara
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Production method of sintered alloy, sintered-alloy compact, and si...
Patent number
10,213,830
Issue date
Feb 26, 2019
Toyota Jidosha Kabushiki Kaisha
Nobuyuki Shinohara
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Compact for producing a sintered alloy, a wear-resistant iron-based...
Patent number
10,058,922
Issue date
Aug 28, 2018
Toyota Jidosha Kabushiki Kaisha
Nobuyuki Shinohara
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Brake lining for railroad car
Patent number
10,030,725
Issue date
Jul 24, 2018
Nippon Steel & Sumitomo Metal Corporation
Takanori Kato
B61 - RAILWAYS
Information
Patent Grant
Manufacturing method of sintered alloy, compact for sintering, and...
Patent number
9,950,369
Issue date
Apr 24, 2018
Toyota Jidosha Kabushiki Kaisha
Nobuyuki Shinohara
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Brake lining for railway vehicles and disc brake equipped with the...
Patent number
9,394,953
Issue date
Jul 19, 2016
Nippon Steel & Sumitomo Metal Corporation
Takanori Kato
B61 - RAILWAYS
Information
Patent Grant
Leaf valve structure
Patent number
9,200,692
Issue date
Dec 1, 2015
Kayaba Industry Co., Ltd.
Hideki Yamada
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Powder for magnetic core, method for manufacturing powder for magne...
Patent number
8,414,984
Issue date
Apr 9, 2013
Toyota Jidosha Kabushiki Kaisha
Eisuke Hoshina
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Powder for dust core and method for producing the same
Patent number
8,337,638
Issue date
Dec 25, 2012
Toyota Jidosha Kabushiki Kaisha
Yusuke Oishi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
HARD PARTICLE, SLIDING MEMBER, AND PRODUCTION METHOD OF SINTERED ALLOY
Publication number
20220112583
Publication date
Apr 14, 2022
Toyota Jidosha Kubushiki Kaisha
Yuki KAMO
B22 - CASTING POWDER METALLURGY
Information
Patent Application
BRAKE LINING FOR RAILWAY VEHICLE, DISC BRAKE SYSTEM FOR RAILWAY VEH...
Publication number
20210180660
Publication date
Jun 17, 2021
NIPPON STEEL CORPORATION
Takahiro FUJIMOTO
B61 - RAILWAYS
Information
Patent Application
BRAKE LINING FOR A RAILWAY VEHICLE AND DISK BRAKE EQUIPPED WITH THE...
Publication number
20200124122
Publication date
Apr 23, 2020
NIPPON STEEL & SUMITOMO METAL CORPORATION
Takahiro FUJIMOTO
B61 - RAILWAYS
Information
Patent Application
SINTERED FRICTION MATERIAL
Publication number
20200038959
Publication date
Feb 6, 2020
NIPPON STEEL CORPORATION
Manabu KUBOTA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
SINTERED FRICTION MATERIAL FOR RAILWAY VEHICLES AND METHOD FOR PROD...
Publication number
20190292634
Publication date
Sep 26, 2019
NIPPON STEEL CORPORATION
Manabu KUBOTA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
BRAKE LINING FOR RAILWAY VEHICLE AND DISK BRAKE FOR RAILWAY VEHICLE...
Publication number
20190078629
Publication date
Mar 14, 2019
NIPPON STEEL & SUMITOMO METAL CORPORATION
Yuiko SAKAYAMA
B60 - VEHICLES IN GENERAL
Information
Patent Application
BRAKE LINING FOR A RAILWAY VEHICLE AND DISK BRAKE EQUIPPED WITH THE...
Publication number
20190024735
Publication date
Jan 24, 2019
NIPPON STEEL & SUMITOMO METAL CORPORATION
Takahiro FUJIMOTO
B61 - RAILWAYS
Information
Patent Application
METHOD OF PRODUCING WEAR-RESISTANT IRON-BASED SINTERED ALLOY
Publication number
20180282844
Publication date
Oct 4, 2018
Toyota Jidosha Kabushiki Kaisha
Nobuyuki SHINOHARA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MANUFACTURING METHOD OF WEAR-RESISTANT IRON-BASED SINTERED ALLOY AN...
Publication number
20180080104
Publication date
Mar 22, 2018
Toyota Jidosha Kabushiki Kaisha
Nobuyuki SHINOHARA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MANUFACTURING METHOD OF SINTERED ALLOY, SINTERED-ALLOY COMPACT, AND...
Publication number
20170225231
Publication date
Aug 10, 2017
Toyota Jidosha Kabushiki Kaisha
Nobuyuki SHINOHARA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PRODUCTION METHOD OF SINTERED ALLOY, SINTERED-ALLOY COMPACT, AND SI...
Publication number
20170209928
Publication date
Jul 27, 2017
Toyota Jidosha Kabushiki Kaisha
Nobuyuki SHINOHARA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COMPACT FOR PRODUCING A SINTERED ALLOY, A WEAR-RESISTANT IRON-BASED...
Publication number
20160052059
Publication date
Feb 25, 2016
Toyota Jidosha Kabushiki Kaisha
Nobuyuki SHINOHARA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ROTATING ASSEMBLY AND ITS MANUFACTURING METHOD
Publication number
20140215820
Publication date
Aug 7, 2014
OTICS CORPORATION
Tamotsu YAMAMOTO
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
IRON-BASED MIXTURE POWDER FOR SINTERING AND IRON-BASED SINTERED ALLOY
Publication number
20130152735
Publication date
Jun 20, 2013
FINE SINTER CO., LTD.
Kimihiko Ando
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
BRAKE LINING FOR RAILROAD CAR
Publication number
20120325598
Publication date
Dec 27, 2012
Fine Sinter Co., Ltd.
Takanori KATO
B61 - RAILWAYS
Information
Patent Application
HARD PARTICLES FOR BLENDING IN SINTERED ALLOY, WEAR-RESISTANT IRON-...
Publication number
20120304821
Publication date
Dec 6, 2012
FINE SINTER CO., LTD.
Kimihiko Ando
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
LEAF VALVE STRUCTURE
Publication number
20120228071
Publication date
Sep 13, 2012
FINE SINTER CO., LTD.
Hideki Yamada
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
POWDER FOR DUST CORE AND METHOD FOR PRODUCING THE SAME
Publication number
20110024000
Publication date
Feb 3, 2011
TOYOTA JIDOSHA KABUSHIKI KAISHA
Yusuke Oishi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
POWDER FOR MAGNETIC CORE, METHOD FOR MANUFACTURING POWDER FOR MAGNE...
Publication number
20100271158
Publication date
Oct 28, 2010
Toyota Jidosha Kabushiki Kaisha
Eisuke Hoshina
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Process for Producing Magnetic Powder and Process for Producing Dus...
Publication number
20090090435
Publication date
Apr 9, 2009
Toyota Jidosha Kabushiki Kaisha
Eisuke Hoshina
C21 - METALLURGY OF IRON
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