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Akira TOKUMASU

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  • Kariya-city, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric power converter
    • Patent number 11,736,036
    • Issue date Aug 22, 2023
    • Denso Corporation
    • Akira Tokumasu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power device driving apparatus
    • Patent number 10,998,887
    • Issue date May 4, 2021
    • Denso Corporation
    • Akira Tokumasu
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power device driving apparatus
    • Patent number 10,892,741
    • Issue date Jan 12, 2021
    • Denso Corporation
    • Akira Tokumasu
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power supply control device
    • Patent number 10,784,671
    • Issue date Sep 22, 2020
    • DENSO CORPORATION
    • Eiichirou Shigehara
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Drive circuit for switch
    • Patent number 10,541,681
    • Issue date Jan 21, 2020
    • Denso Corporation
    • Yosuke Asako
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Push-pull type isolated DC/DC converter including zero voltage swit...
    • Patent number 10,069,429
    • Issue date Sep 4, 2018
    • Denso Corporation
    • Akira Tokumasu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    DRIVING APPARATUS FOR SWITCH
    • Publication number 20240339924
    • Publication date Oct 10, 2024
    • DENSO CORPORATION
    • Akira TOKUMASU
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRONIC APPARATUS
    • Publication number 20240120264
    • Publication date Apr 11, 2024
    • DENSO CORPORATION
    • Kenichiro TAKAGI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRONIC DEVICE
    • Publication number 20240112967
    • Publication date Apr 4, 2024
    • DENSO CORPORATION
    • Kenichiro TAKAGI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CONTROL CIRCUIT FOR POWER CONVERTER
    • Publication number 20230052466
    • Publication date Feb 16, 2023
    • DENSO CORPORATION
    • Akira TOKUMASU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ELECTRIC POWER CONVERTER
    • Publication number 20220038027
    • Publication date Feb 3, 2022
    • DENSO CORPORATION
    • Akira TOKUMASU
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER DEVICE DRIVING APPARATUS
    • Publication number 20200235723
    • Publication date Jul 23, 2020
    • DENSO CORPORATION
    • Akira TOKUMASU
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    POWER DEVICE DRIVING APPARATUS
    • Publication number 20200028496
    • Publication date Jan 23, 2020
    • DENSO CORPORATION
    • Akira TOKUMASU
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    POWER SUPPLY CONTROL DEVICE
    • Publication number 20190229516
    • Publication date Jul 25, 2019
    • Toyota Jidosha Kabushiki Kaisha
    • Eiichirou Shigehara
    • G01 - MEASURING TESTING
  • Information Patent Application

    DRIVE CIRCUIT FOR SWITCH
    • Publication number 20190123732
    • Publication date Apr 25, 2019
    • DENSO CORPORATION
    • Yosuke ASAKO
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    PUSH-PULL TYPE DC/DC CONVERTER
    • Publication number 20170155327
    • Publication date Jun 1, 2017
    • DENSO CORPORATION
    • Akira TOKUMASU
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER