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Ryohei MARUO

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Patents Grantslast 30 patents

  • Information Patent Grant

    Stroke simulator and brake control apparatus
    • Patent number 11,999,336
    • Issue date Jun 4, 2024
    • Hitachi Astemo, Ltd.
    • Ryohei Maruo
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Master cylinder unit
    • Patent number 10,668,909
    • Issue date Jun 2, 2020
    • Hitachi Automotive Systems, Ltd.
    • Naganori Koshimizu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Master cylinder unit
    • Patent number 10,562,504
    • Issue date Feb 18, 2020
    • Hitachi Automotive Systems, Ltd.
    • Naganori Koshimizu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Brake apparatus and brake system
    • Patent number 10,328,919
    • Issue date Jun 25, 2019
    • Hitachi Automotive Systems, Ltd.
    • Masaki Misunou
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Brake apparatus
    • Patent number 10,207,691
    • Issue date Feb 19, 2019
    • Hitachi Automotive Systems, Ltd.
    • Chiharu Nakazawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Brake apparatus
    • Patent number 10,207,690
    • Issue date Feb 19, 2019
    • Hitachi Automotive Systems, Ltd.
    • Chiharu Nakazawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Brake apparatus and brake system
    • Patent number 10,202,108
    • Issue date Feb 12, 2019
    • Hitachi Automotive Systems, Ltd.
    • Masaki Misunou
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Brake unit
    • Patent number 9,764,723
    • Issue date Sep 19, 2017
    • Hitachi Automotive Systems, Ltd.
    • Ryohei Maruo
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Brake device
    • Patent number 9,527,486
    • Issue date Dec 27, 2016
    • Hitachi Automotive Systems, Ltd.
    • Ryohei Maruo
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Brake device
    • Patent number 9,428,168
    • Issue date Aug 30, 2016
    • Hitachi Automotive Systems, Ltd.
    • Ryohei Maruo
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Brake device
    • Patent number 9,242,626
    • Issue date Jan 26, 2016
    • Hitachi Automotive Systems, Ltd.
    • Ryohei Maruo
    • B60 - VEHICLES IN GENERAL
  • 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

    Stroke Simulator and Brake Control Apparatus
    • Publication number 20210339724
    • Publication date Nov 4, 2021
    • Ryohei MARUO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Hydraulic Control Apparatus and Brake System
    • Publication number 20210221345
    • Publication date Jul 22, 2021
    • Hitachi Automotive Systems, Ltd.
    • Ryohei Maruo
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Hydraulic Control Device and Brake System
    • Publication number 20200254989
    • Publication date Aug 13, 2020
    • Hitachi Automotive Systems, Ltd.
    • Takahiro KAWAKAMI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Hydraulic Control Apparatus and Brake System
    • Publication number 20190329748
    • Publication date Oct 31, 2019
    • Hitachi Automotive Systems, Ltd.
    • Takahiro KAWAKAMI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Hydraulic Control Apparatus and Brake System
    • Publication number 20190217834
    • Publication date Jul 18, 2019
    • Hitachi Automotive Systems, Ltd.
    • Ryohei Maruo
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Brake Apparatus, Brake System, and Master Cylinder
    • Publication number 20190039590
    • Publication date Feb 7, 2019
    • Hitachi Automotive Systems, Ltd.
    • Ryohei MARUO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Brake Device and Brake System
    • Publication number 20180265060
    • Publication date Sep 20, 2018
    • Hitachi Automotive Systems, Ltd.
    • Ryohei Maruo
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Hydraulic Control Apparatus and Brake System
    • Publication number 20180245573
    • Publication date Aug 30, 2018
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Ryohei MARUO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MASTER CYLINDER UNIT
    • Publication number 20180215361
    • Publication date Aug 2, 2018
    • Hitachi Automotive Systems, Ltd.
    • Naganori KOSHIMIZU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MASTER CYLINDER UNIT
    • Publication number 20180201247
    • Publication date Jul 19, 2018
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Naganori KOSHIMIZU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Hydraulic Control Apparatus and Brake System
    • Publication number 20180037203
    • Publication date Feb 8, 2018
    • Hitachi Automotive Systems, Ltd.
    • Ryohei MARUO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    BRAKE UNIT
    • Publication number 20170349155
    • Publication date Dec 7, 2017
    • Hitachi Automotive Systems, Ltd.
    • Ryohei Maruo
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Brake Apparatus
    • Publication number 20170190328
    • Publication date Jul 6, 2017
    • HITACHI AUTOMOTIVE SYSTEMS ,LTD.
    • Chiharu NAKAZAWA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Brake Apparatus and Master Cylinder
    • Publication number 20170182988
    • Publication date Jun 29, 2017
    • Hitachi Automotive Systems, Ltd.
    • Takahiro KAWAKAMI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Brake Apparatus
    • Publication number 20170113669
    • Publication date Apr 27, 2017
    • HITACHI AUTOMOTIVE SYSTEMS,LTD.
    • Chiharu NAKAZAWA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Brake Apparatus
    • Publication number 20160264114
    • Publication date Sep 15, 2016
    • Hitachi Automotive Systems, Ltd.
    • Ryohei Maruo
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    BRAKE APPARATUS AND BRAKE SYSTEM
    • Publication number 20160121864
    • Publication date May 5, 2016
    • Hitachi Automotive Systems, Ltd.
    • Masaki MISUNOU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    BRAKE APPARATUS AND BRAKE SYSTEM
    • Publication number 20160031425
    • Publication date Feb 4, 2016
    • Hitachi Automotive Systems, Ltd.
    • Masaki MISUNOU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Brake Device
    • Publication number 20150314765
    • Publication date Nov 5, 2015
    • Hitachi Automotive Systems, Ltd.
    • Ryohei MARUO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    BRAKE UNIT
    • Publication number 20150203085
    • Publication date Jul 23, 2015
    • Hitachi Automotive Systems, Ltd.
    • Ryohei Maruo
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Brake Device
    • Publication number 20150061361
    • Publication date Mar 5, 2015
    • Hitachi Automotive Systems, Ltd.
    • Ryohei Maruo
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    BRAKE DEVICE
    • Publication number 20150061358
    • Publication date Mar 5, 2015
    • Hitachi Automotive Systems, Ltd.
    • Ryohei Maruo
    • 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...