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Yasufumi Okumura

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Patents Grantslast 30 patents

  • Information Patent Grant

    Axle box suspension and elastic bushing shaft body for use in railcar
    • Patent number 11,787,451
    • Issue date Oct 17, 2023
    • KAWASAKI RAILCAR MANUFACTURING CO., LTD.
    • Yukitaka Taga
    • B61 - RAILWAYS
  • Information Patent Grant

    Rubbing plate of side bearer of railcar bogie and side bearer
    • Patent number 11,407,434
    • Issue date Aug 9, 2022
    • KAWASAKI RAILCAR MANUFACTURING CO., LTD.
    • Yasufumi Okumura
    • B61 - RAILWAYS
  • Information Patent Grant

    Load measuring device for railcar bogie
    • Patent number 10,422,685
    • Issue date Sep 24, 2019
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Takehiro Nishimura
    • B61 - RAILWAYS
  • Information Patent Grant

    Axle box suspension of railcar bogie
    • Patent number 10,399,579
    • Issue date Sep 3, 2019
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Yasufumi Okumura
    • B61 - RAILWAYS
  • Information Patent Grant

    Air spring
    • Patent number 10,086,850
    • Issue date Oct 2, 2018
    • Sumitomo Electric Industries, Ltd.
    • Hirokazu Haraguchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Plate spring cover and railcar bogie including plate spring cover
    • Patent number 10,053,119
    • Issue date Aug 21, 2018
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Takehiro Nishimura
    • B61 - RAILWAYS
  • Information Patent Grant

    Railcar bogie
    • Patent number 9,802,627
    • Issue date Oct 31, 2017
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Takehiro Nishimura
    • B61 - RAILWAYS
  • Information Patent Grant

    Railcar axle box suspension
    • Patent number 9,592,840
    • Issue date Mar 14, 2017
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Yasufumi Okumura
    • B61 - RAILWAYS
  • Information Patent Grant

    Railcar bogie
    • Patent number 9,573,604
    • Issue date Feb 21, 2017
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Takehiro Nishimura
    • B61 - RAILWAYS
  • Information Patent Grant

    Air spring and railcar
    • Patent number 9,545,933
    • Issue date Jan 17, 2017
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Takehiro Nishimura
    • B61 - RAILWAYS
  • Information Patent Grant

    Railcar bogie
    • Patent number 9,358,989
    • Issue date Jun 7, 2016
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Takehiro Nishimura
    • B61 - RAILWAYS
  • Information Patent Grant

    Railcar primary suspension
    • Patent number 8,297,199
    • Issue date Oct 30, 2012
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Takehiro Nishimura
    • B61 - RAILWAYS
  • Information Patent Grant

    Truck for railroad car
    • Patent number 7,004,078
    • Issue date Feb 28, 2006
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Takehiro Nishimura
    • B61 - RAILWAYS

Patents Applicationslast 30 patents

  • Information Patent Application

    AXLE BOX SUSPENSION AND ELASTIC BUSHING SHAFT BODY FOR USE IN RAILCAR
    • Publication number 20210031816
    • Publication date Feb 4, 2021
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Yukitaka TAGA
    • B61 - RAILWAYS
  • Information Patent Application

    RUBBING PLATE OF SIDE BEARER OF RAILCAR BOGIE AND SIDE BEARER
    • Publication number 20200307655
    • Publication date Oct 1, 2020
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Yasufumi OKUMURA
    • B61 - RAILWAYS
  • Information Patent Application

    AXLE BOX SUSPENSION OF RAILCAR BOGIE
    • Publication number 20180029617
    • Publication date Feb 1, 2018
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Yasufumi OKUMURA
    • B61 - RAILWAYS
  • Information Patent Application

    AIR SPRING
    • Publication number 20170015334
    • Publication date Jan 19, 2017
    • Sumitomo Electric Industries, Ltd.
    • Hirokazu HARAGUCHI
    • B61 - RAILWAYS
  • Information Patent Application

    LOAD MEASURING DEVICE FOR RAILCAR BOGIE
    • Publication number 20160320229
    • Publication date Nov 3, 2016
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Takehiro NISHIMURA
    • B61 - RAILWAYS
  • Information Patent Application

    RAILCAR AXLE BOX SUSPENSION
    • Publication number 20160304102
    • Publication date Oct 20, 2016
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Yasufumi OKUMURA
    • B61 - RAILWAYS
  • Information Patent Application

    PLATE SPRING COVER AND RAILCAR BOGIE INCLUDING PLATE SPRING COVER
    • Publication number 20160251023
    • Publication date Sep 1, 2016
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Takehiro NISHIMURA
    • B61 - RAILWAYS
  • Information Patent Application

    RAILCAR BOGIE
    • Publication number 20160214627
    • Publication date Jul 28, 2016
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Takehiro Nishimura
    • B61 - RAILWAYS
  • Information Patent Application

    AIR SPRING AND RAILCAR
    • Publication number 20160185363
    • Publication date Jun 30, 2016
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Takehiro NISHIMURA
    • B61 - RAILWAYS
  • Information Patent Application

    RAILCAR BOGIE
    • Publication number 20150344047
    • Publication date Dec 3, 2015
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Takehiro NISHIMURA
    • B61 - RAILWAYS
  • Information Patent Application

    RAILCAR BOGIE
    • Publication number 20140137765
    • Publication date May 22, 2014
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Takehiro Nishimura
    • B61 - RAILWAYS
  • Information Patent Application

    RAILCAR PRIMARY SUSPENSION
    • Publication number 20110253004
    • Publication date Oct 20, 2011
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Takehiro NISHIMURA
    • B61 - RAILWAYS
  • Information Patent Application

    Truck for railroad car
    • Publication number 20040123767
    • Publication date Jul 1, 2004
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Takehiro Nishimura
    • B61 - RAILWAYS