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Yoshio AKAISHI

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  • Hitachinaka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Inverter drive device
    • Patent number 9,065,443
    • Issue date Jun 23, 2015
    • Hitachi Automotive Systems, Ltd.
    • Hiroki Shimano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Overcurrent fault detection device for electrical drive control system
    • Patent number 8,947,838
    • Issue date Feb 3, 2015
    • Hitachi Automotive Systems, Ltd.
    • Hiroyuki Yamai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric power conversion system
    • Patent number 8,791,681
    • Issue date Jul 29, 2014
    • Hitachi Automotive Systems, Ltd.
    • Yoshio Akaishi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Electric power conversion system and electric power conversion device
    • Patent number 8,471,507
    • Issue date Jun 25, 2013
    • Hitachi Automotive Systems, Ltd.
    • Yoshio Akaishi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion device
    • Patent number 8,228,700
    • Issue date Jul 24, 2012
    • Hitachi Automotive Systems, Ltd.
    • Koichi Yahata
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power converter unit
    • Patent number 7,561,429
    • Issue date Jul 14, 2009
    • Hitachi, Ltd.
    • Koichi Yahata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Overcurrent Fault Detection Device for Electrical Drive Control System
    • Publication number 20150106043
    • Publication date Apr 16, 2015
    • Hitachi Automotive Systems, Ltd.
    • Hiroyuki YAMAI
    • G01 - MEASURING TESTING
  • Information Patent Application

    Inverter Drive Device
    • Publication number 20140085762
    • Publication date Mar 27, 2014
    • Hitachi Automotive Systems, Ltd.
    • Hiroki Shimano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power Converter
    • Publication number 20130088279
    • Publication date Apr 11, 2013
    • Hitachi Automotive Systems Ltd
    • Hiroki Shimano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Overcurrent Fault Detection Device for Electrical Drive Control System
    • Publication number 20120050922
    • Publication date Mar 1, 2012
    • Hitachi Automotive Systems, Ltd.
    • Hiroyuki YAMAI
    • G01 - MEASURING TESTING
  • Information Patent Application

    Electric Power Conversion System
    • Publication number 20120020136
    • Publication date Jan 26, 2012
    • Hitachi Automotive Systems Ltd.
    • Yoshio Akaishi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Electric Power Conversion System and Electric Power Conversion Device
    • Publication number 20120001574
    • Publication date Jan 5, 2012
    • Hitachi Automotive Systems, Ltd.
    • Yoshio Akaishi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power Conversion Device
    • Publication number 20110199800
    • Publication date Aug 18, 2011
    • Hitachi Automotive Systems, Ltd.
    • Koichi Yahata
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Power Converter Unit
    • Publication number 20090002974
    • Publication date Jan 1, 2009
    • Hitachi, Ltd
    • Koichi YAHATA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Power Converter Unit
    • Publication number 20080112201
    • Publication date May 15, 2008
    • Hitachi, Ltd
    • Koichi YAHATA
    • H01 - BASIC ELECTRIC ELEMENTS