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Keisuke Fukumasu

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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrical circuit device
    • Patent number 10,404,159
    • Issue date Sep 3, 2019
    • Hitachi Automotive Systems, Ltd.
    • Jia Li
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Electromagnetic noise analyzing apparatus, controlling apparatus an...
    • Patent number 10,099,704
    • Issue date Oct 16, 2018
    • Hitachi, Ltd.
    • Aya Ohmae
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Electric power conversion device
    • Patent number 10,103,619
    • Issue date Oct 16, 2018
    • Hitachi Automotive Systems, Ltd.
    • Keisuke Fukumasu
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power conversion device
    • Patent number 10,003,274
    • Issue date Jun 19, 2018
    • Hitachi Automotive Systems, Ltd.
    • Masayoshi Takahashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric power conversion device
    • Patent number 9,948,210
    • Issue date Apr 17, 2018
    • Hitachi Automotive Systems, Ltd.
    • Keisuke Fukumasu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion device
    • Patent number 9,906,158
    • Issue date Feb 27, 2018
    • Hitachi Automotive Systems, Ltd.
    • Keisuke Fukumasu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electrical power converting device
    • Patent number 9,866,127
    • Issue date Jan 9, 2018
    • Hitachi Automotive Systems, Ltd.
    • Keisuke Fukumasu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power converter
    • Patent number 9,847,730
    • Issue date Dec 19, 2017
    • Hitachi Automotive Systems, Ltd.
    • Akihiro Namba
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    DC-DC converter
    • Patent number 9,776,514
    • Issue date Oct 3, 2017
    • Hitachi Automotive Systems, Ltd.
    • Yuuji Sobu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Noise equivalent circuit
    • Patent number 9,500,689
    • Issue date Nov 22, 2016
    • Hitachi, Ltd.
    • Makoto Torigoe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC-DC converter
    • Patent number 9,425,695
    • Issue date Aug 23, 2016
    • Hitachi Automotive Systems, Ltd.
    • Hidenori Shinohara
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electrical converter
    • Patent number 9,345,150
    • Issue date May 17, 2016
    • Hitachi Automotive Systems, Ltd.
    • Keisuke Fukumasu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Electronic device
    • Patent number 9,345,160
    • Issue date May 17, 2016
    • Hitachi Automotive Systems, Ltd.
    • Keisuke Fukumasu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power conversion apparatus
    • Patent number 9,112,402
    • Issue date Aug 18, 2015
    • Hitachi Automotive Systems, Ltd.
    • Masayoshi Takahashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric power converter
    • Patent number 9,065,356
    • Issue date Jun 23, 2015
    • Hitachi, Ltd.
    • Hiroki Funato
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power inverter including a power semiconductor module
    • Patent number 9,042,147
    • Issue date May 26, 2015
    • Hitachi Automotive Systems, Ltd.
    • Akira Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRICAL CIRCUIT DEVICE
    • Publication number 20190081555
    • Publication date Mar 14, 2019
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Jia LI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ELECTROMAGNETIC NOISE ANALYZING APPARATUS, CONTROLLING APPARATUS AN...
    • Publication number 20180029606
    • Publication date Feb 1, 2018
    • Hitachi, Ltd
    • Aya OHMAE
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ELECTRIC POWER CONVERSION DEVICE
    • Publication number 20180019663
    • Publication date Jan 18, 2018
    • Hitachi Automotive Systems, Ltd.
    • Keisuke FUKUMASU
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERSION DEVICE
    • Publication number 20170194872
    • Publication date Jul 6, 2017
    • Hitachi Automotive Systems, Ltd.
    • Keisuke FUKUMASU
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Electrical Power Converting Device
    • Publication number 20170005581
    • Publication date Jan 5, 2017
    • Hitachi Automotive Systems, Ltd.
    • Keisuke FUKUMASU
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERTER
    • Publication number 20160197557
    • Publication date Jul 7, 2016
    • Hitachi Automotive Systems, Ltd.
    • AKIHIRO NAMBA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power Conversion Device
    • Publication number 20160181940
    • Publication date Jun 23, 2016
    • Hitachi Automotive Systems, Ltd.
    • Masayoshi TAKAHASHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Electric Power Conversion Device
    • Publication number 20160020707
    • Publication date Jan 21, 2016
    • Keisuke FUKUMASU
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DC-DC Converter
    • Publication number 20150306960
    • Publication date Oct 29, 2015
    • Hitachi Automotive Systems, Ltd.
    • Yuuji SOBU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    DC-DC Converter
    • Publication number 20150194898
    • Publication date Jul 9, 2015
    • Hitachi Automotive Systems, Ltd.
    • Hidenori Shinohara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Noise Equivalent Circuit
    • Publication number 20140368217
    • Publication date Dec 18, 2014
    • Hitachi, Ltd
    • Makoto Torigoe
    • G01 - MEASURING TESTING
  • Information Patent Application

    Electronic Device
    • Publication number 20140240946
    • Publication date Aug 28, 2014
    • Keisuke Fukumasu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Electric Power Converter
    • Publication number 20130322144
    • Publication date Dec 5, 2013
    • Hitachi, Ltd
    • Hiroki Funato
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Electrical Converter
    • Publication number 20130294040
    • Publication date Nov 7, 2013
    • Hitachi Automotive Systems, Ltd.
    • Keisuke Fukumasu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Power Inverter
    • Publication number 20130265808
    • Publication date Oct 10, 2013
    • Hitachi Automotive Systems, Ltd.
    • Akira Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power Conversion Apparatus
    • Publication number 20120326799
    • Publication date Dec 27, 2012
    • Hitachi Automotive Systems, Ltd.
    • Masayoshi Takahashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER