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Naoya KUMAGAI

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  • Iwanuma-city, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Charge forming device with pressure sensor
    • Patent number 12,000,352
    • Issue date Jun 4, 2024
    • WALBRO LLC
    • Tatsuya Chiba
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel and air charge forming device
    • Patent number 11,802,529
    • Issue date Oct 31, 2023
    • WALBRO LLC
    • Kazuki Doi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Impulse pump
    • Patent number 10,260,457
    • Issue date Apr 16, 2019
    • Walbro LLC
    • Takashi Abei
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    FUEL AND AIR CHARGE FORMING DEVICE
    • Publication number 20240018927
    • Publication date Jan 18, 2024
    • WALBRO LLC
    • Kazuki Doi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    CHARGE FORMING DEVICE WITH PRESSURE SENSOR
    • Publication number 20230407799
    • Publication date Dec 21, 2023
    • WALBRO LLC
    • Tatsuya Chiba
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FUEL AND AIR CHARGE FORMING DEVICE
    • Publication number 20230021438
    • Publication date Jan 26, 2023
    • WALBRO LLC
    • Kazuki Doi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FUEL SUPPLY DEVICE WITH INLET VALVE
    • Publication number 20190145352
    • Publication date May 16, 2019
    • WALBRO LLC
    • Tomoya Kawada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    DIAPHRAGM REGULATOR FOR HIGHER PRESSURE INPUT GAS
    • Publication number 20180373274
    • Publication date Dec 27, 2018
    • WALBRO LLC
    • Tomoya Kawada
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    IMPULSE PUMP
    • Publication number 20170314510
    • Publication date Nov 2, 2017
    • WALBRO LLC
    • Takashi ABEI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...