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Yutaka OKUBO

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Patents Grantslast 30 patents

  • Information Patent Grant

    Power converter including filter circuit device to improve a noise...
    • Patent number 11,798,749
    • Issue date Oct 24, 2023
    • Hitachi Automotive Systems, Ltd.
    • Yutaka Okubo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Power converter
    • Patent number 11,011,996
    • Issue date May 18, 2021
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Akira Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power converter
    • Patent number 10,903,736
    • Issue date Jan 26, 2021
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Youhei Nishizawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power conversion device having a cover that covers DC positive and...
    • Patent number 10,461,656
    • Issue date Oct 29, 2019
    • Hitachi Automotive Systems, Ltd.
    • Yutaka Okubo
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power converter
    • Patent number 10,404,156
    • Issue date Sep 3, 2019
    • Hitachi Automotive Systems, Ltd.
    • Youhei Nishizawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power converter
    • Patent number 10,181,783
    • Issue date Jan 15, 2019
    • Hitachi Automotive Systems, Ltd.
    • Youhei Nishizawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power converter
    • Patent number 9,893,603
    • Issue date Feb 13, 2018
    • Hitachi Automotive Systems, Ltd.
    • Youhei Nishizawa
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    FILTER CIRCUIT DEVICE, AND POWER CONVERTER INCLUDING FILTER CIRCUIT...
    • Publication number 20210036675
    • Publication date Feb 4, 2021
    • Hitachi Automotive Systems, Ltd.
    • Yutaka OKUBO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERTER
    • Publication number 20200007026
    • Publication date Jan 2, 2020
    • Hitachi Automotive Systems, Ltd.
    • Youhei NISHIZAWA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    POWER CONVERTER
    • Publication number 20190386577
    • Publication date Dec 19, 2019
    • Hitachi Automotive Systems, Ltd.
    • Akira ISHII
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power Converter
    • Publication number 20190123659
    • Publication date Apr 25, 2019
    • Hitachi Automotive Systems, Ltd.
    • Yutaka OKUBO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    POWER CONVERTER
    • Publication number 20190109532
    • Publication date Apr 11, 2019
    • Hitachi Automotive Systems, Ltd.
    • Youhei NISHIZAWA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    POWER CONVERTER
    • Publication number 20180123445
    • Publication date May 3, 2018
    • Hitachi Automotive Systems, Ltd.
    • Youhei NISHIZAWA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Power Conversion Device
    • Publication number 20170222570
    • Publication date Aug 3, 2017
    • Hitachi Automotive Systems, Ltd.
    • Yutaka OKUBO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERTER
    • Publication number 20170063218
    • Publication date Mar 2, 2017
    • Hitachi Automotive Systems, Ltd.
    • Youhei NISHIZAWA
    • B60 - VEHICLES IN GENERAL