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Kazuaki TOKUMARU

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  • Hitachinaka-shi, Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    High-pressure fuel supply pump provided with electromagnetic intake...
    • Patent number 11,542,903
    • Issue date Jan 3, 2023
    • Hitachi Astemo, Ltd.
    • Tatsuo Kawano
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    High-pressure fuel pump
    • Patent number 11,408,386
    • Issue date Aug 9, 2022
    • Hitachi Astemo, Ltd.
    • Moritsugu Akiyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    High-pressure fuel supply pump
    • Patent number 11,047,353
    • Issue date Jun 29, 2021
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Atsuji Saito
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    High-pressure fuel pump
    • Patent number 10,890,151
    • Issue date Jan 12, 2021
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Kazuaki Tokumaru
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    High-pressure fuel pump
    • Patent number 10,851,751
    • Issue date Dec 1, 2020
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Kazuaki Tokumaru
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High-pressure fuel pump and method for producing same
    • Patent number 10,584,668
    • Issue date Mar 10, 2020
    • Hitachi Automotive Systems, Ltd.
    • Satoshi Usui
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    High-pressure fuel pump
    • Patent number 10,378,524
    • Issue date Aug 13, 2019
    • Hitachi Automotive Systems, Ltd.
    • Atsuji Saito
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    High-Pressure Fuel Pump
    • Publication number 20210372353
    • Publication date Dec 2, 2021
    • Hitachi Astemo, Ltd.
    • Moritsugu AKIYAMA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FUEL SUPPLY PUMP
    • Publication number 20210207567
    • Publication date Jul 8, 2021
    • Hitachi Automotive Systems, Ltd.
    • Shingo TAMURA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    High-Pressure Fuel Supply Pump
    • Publication number 20200392930
    • Publication date Dec 17, 2020
    • Hitachi Automotive Systems, Ltd.
    • Atsuji SAITO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    HIGH-PRESSURE FUEL SUPPLY PUMP PROVIDED WITH ELECTROMAGNETIC INTAKE...
    • Publication number 20200080526
    • Publication date Mar 12, 2020
    • Hitachi Automotive Systems, Ltd.
    • Tatsuo KAWANO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    High-Pressure Fuel Pump
    • Publication number 20200049116
    • Publication date Feb 13, 2020
    • Hitachi Automotive Systems, Ltd.
    • Kazuaki TOKUMARU
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    HIGH-PRESSURE FUEL PUMP
    • Publication number 20180171992
    • Publication date Jun 21, 2018
    • Hitachi Automotive Systems, Ltd.
    • Atsuji SAITO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    High-Pressure Fuel Pump and Method for Producing Same
    • Publication number 20180135581
    • Publication date May 17, 2018
    • Hitachi Automotive Systems, Ltd.
    • Satoshi USUI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS