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Keiichirou ISHIHARA

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  • Kariya-city, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Malfunction diagnosis device for leakage diagnosis device
    • Patent number 12,163,493
    • Issue date Dec 10, 2024
    • Denso Corporation
    • Keiichirou Ishihara
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Vane pump
    • Patent number 12,018,679
    • Issue date Jun 25, 2024
    • Denso Corporation
    • Keiichirou Ishihara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Leak hole determination device of evaporated fuel processing device
    • Patent number 11,674,477
    • Issue date Jun 13, 2023
    • Denso Corporation
    • Keiichirou Ishihara
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Malfunction diagnostic device for leakage diagnostic device
    • Patent number 11,603,809
    • Issue date Mar 14, 2023
    • Denso Corporation
    • Keiichirou Ishihara
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Vane pump
    • Patent number 11,428,222
    • Issue date Aug 30, 2022
    • Denso Corporation
    • Keiichirou Ishihara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Evaporative fuel processing system
    • Patent number 11,136,943
    • Issue date Oct 5, 2021
    • Denso Corporation
    • Keiichirou Ishihara
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Fuel vapor processing device
    • Patent number 10,801,917
    • Issue date Oct 13, 2020
    • Denso Corporation
    • Keiichirou Ishihara
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Fuel vapor processing device
    • Patent number 10,473,062
    • Issue date Nov 12, 2019
    • Denso Corporation
    • Keiichirou Ishihara
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    MALFUNCTION DIAGNOSIS DEVICE FOR LEAKAGE DIAGNOSIS DEVICE
    • Publication number 20250059938
    • Publication date Feb 20, 2025
    • DENSO CORPORATION
    • Keiichirou ISHIHARA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    MALFUNCTION DIAGNOSIS DEVICE FOR LEAKAGE DIAGNOSIS DEVICE
    • Publication number 20230243320
    • Publication date Aug 3, 2023
    • DENSO CORPORATION
    • Keiichirou ISHIHARA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    VANE PUMP
    • Publication number 20220145883
    • Publication date May 12, 2022
    • DENSO CORPORATION
    • Keiichirou ISHIHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MALFUNCTION DIAGNOSTIC DEVICE FOR LEAKAGE DIAGNOSTIC DEVICE
    • Publication number 20220099051
    • Publication date Mar 31, 2022
    • DENSO CORPORATION
    • Keiichirou ISHIHARA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    LEAK HOLE DETERMINATION DEVICE OF EVAPORATED FUEL PROCESSING DEVICE
    • Publication number 20210363942
    • Publication date Nov 25, 2021
    • DENSO CORPORATION
    • Keiichirou ISHIHARA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    VANE PUMP
    • Publication number 20210062810
    • Publication date Mar 4, 2021
    • DENSO CORPORATION
    • Keiichirou ISHIHARA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EVAPORATIVE FUEL PROCESSING SYSTEM
    • Publication number 20200132023
    • Publication date Apr 30, 2020
    • DENSO CORPORATION
    • Keiichirou ISHIHARA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    FUEL VAPOR PROCESSING DEVICE
    • Publication number 20190040821
    • Publication date Feb 7, 2019
    • DENSO CORPORATION
    • Keiichirou ISHIHARA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FUEL VAPOR PROCESSING DEVICE
    • Publication number 20190041292
    • Publication date Feb 7, 2019
    • DENSO CORPORATION
    • Keiichirou ISHIHARA
    • G01 - MEASURING TESTING