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Kosei YAMAGUCHI

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  • Yokohama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Check valve
    • Patent number 10,295,074
    • Issue date May 21, 2019
    • Piolax, Inc.
    • Kosei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Valve device
    • Patent number 10,221,955
    • Issue date Mar 5, 2019
    • Piolax, Inc.
    • Kosei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Check valve
    • Patent number 9,784,377
    • Issue date Oct 10, 2017
    • Piolax, Inc.
    • Kosei Yamaguchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve
    • Patent number 9,097,356
    • Issue date Aug 4, 2015
    • Piolax Inc.
    • Kosei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Check valve
    • Patent number 8,561,638
    • Issue date Oct 22, 2013
    • Piolax Inc.
    • Kosei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Fuel tank check valve
    • Patent number 8,316,881
    • Issue date Nov 27, 2012
    • Piolax Inc.
    • Kosei Yamaguchi
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    VALVE DEVICE
    • Publication number 20170138493
    • Publication date May 18, 2017
    • Piolax, Inc.
    • Kosei YAMAGUCHI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CHECK VALVE
    • Publication number 20170138494
    • Publication date May 18, 2017
    • Piolax, Inc.
    • Kosei YAMAGUCHI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CHECK VALVE
    • Publication number 20160101684
    • Publication date Apr 14, 2016
    • Piolax, Inc.
    • Kosei YAMAGUCHI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CHECK VALVE
    • Publication number 20140216573
    • Publication date Aug 7, 2014
    • Kosei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CHECK VALVE
    • Publication number 20110226356
    • Publication date Sep 22, 2011
    • Kosei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Fuel tank check valve
    • Publication number 20100126603
    • Publication date May 27, 2010
    • Piolax Inc.
    • Kosei Yamaguchi
    • B60 - VEHICLES IN GENERAL