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Toshihiro KOIZUMI

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Patents Grantslast 30 patents

  • Information Patent Grant

    Brake control apparatus
    • Patent number 12,012,081
    • Issue date Jun 18, 2024
    • Hitachi Astemo, Ltd.
    • Toshihiro Koizumi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pump apparatus with pressing means
    • Patent number 8,894,396
    • Issue date Nov 25, 2014
    • Hitachi Automotive Systems, Ltd.
    • Masaki Misunou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump and gear pump for brake apparatus
    • Patent number 8,684,473
    • Issue date Apr 1, 2014
    • Hitachi Automotive Systems, Ltd.
    • Chiharu Nakazawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Gear pump
    • Patent number 8,579,616
    • Issue date Nov 12, 2013
    • Hitachi Automotive Systems, Ltd.
    • Toshihiro Koizumi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Seal apparatus of gear pump
    • Patent number 8,257,070
    • Issue date Sep 4, 2012
    • Hitachi, Ltd.
    • Ryohei Maruo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Brake Control Apparatus
    • Publication number 20210179050
    • Publication date Jun 17, 2021
    • Toshihiro KOIZUMI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Pressure Pulsation Reducing Device and Pulsation Damping Member of...
    • Publication number 20190152455
    • Publication date May 23, 2019
    • Hitachi Automotive Systems, Ltd.
    • Ryu KAI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pump Device
    • Publication number 20140003981
    • Publication date Jan 2, 2014
    • Hitachi Automobile Systems, Ltd.
    • Toshihiro KOIZUMI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20120242140
    • Publication date Sep 27, 2012
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Toshihiro KOIZUMI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    External Gear Pump
    • Publication number 20120141315
    • Publication date Jun 7, 2012
    • Hitachi Automotive Systems, Ltd.
    • Shinji SETO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump Apparatus
    • Publication number 20120051961
    • Publication date Mar 1, 2012
    • Hitachi Automotive Systems, Ltd.
    • Masaki MISUNOU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gear Pump
    • Publication number 20100247362
    • Publication date Sep 30, 2010
    • Hitachi Automotive Systems, Ltd.
    • Toshihiro KOIZUMI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    GEAR PUMP AND GEAR PUMP FOR BRAKE APPARATUS
    • Publication number 20100237689
    • Publication date Sep 23, 2010
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Chiharu NAKAZAWA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Gear Pump
    • Publication number 20100124513
    • Publication date May 20, 2010
    • Hitachi Automotive Systems, Ltd.
    • Toshihiro KOIZUMI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SEAL APPARATUS OF GEAR PUMP
    • Publication number 20090232690
    • Publication date Sep 17, 2009
    • Hitachi, Ltd.
    • Ryohei MARUO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TANDEM PUMP
    • Publication number 20090226298
    • Publication date Sep 10, 2009
    • Hitachi, Ltd.
    • Keigo Kajiyama
    • B60 - VEHICLES IN GENERAL