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Kazuaki Hiyama

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  • Fukuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Semiconductor device and power conversion system
    • Patent number 11,139,808
    • Issue date Oct 5, 2021
    • Mitsubishi Electric Corporation
    • Kentaro Yoshida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion device
    • Patent number 11,025,245
    • Issue date Jun 1, 2021
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Flyback power supply, inverter and electrically powered vehicle
    • Patent number 10,978,953
    • Issue date Apr 13, 2021
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device, inverter, and automobile
    • Patent number 10,833,669
    • Issue date Nov 10, 2020
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Buffer circuit
    • Patent number 9,843,318
    • Issue date Dec 12, 2017
    • Mitsubishi Electric Corporation
    • Kei Hayashi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Semiconductor device comprising a conductive film joining a diode a...
    • Patent number 9,716,052
    • Issue date Jul 25, 2017
    • Mitsubishi Electric Corporation
    • Tsuyoshi Osaga
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 9,530,766
    • Issue date Dec 27, 2016
    • Mitsubishi Electric Corporation
    • Mikio Ishihara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Switching element drive circuit, power module, and automobile
    • Patent number 9,461,640
    • Issue date Oct 4, 2016
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Drive protection circuit, semiconductor module, and automobile
    • Patent number 9,455,566
    • Issue date Sep 27, 2016
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Semiconductor device
    • Patent number 9,013,850
    • Issue date Apr 21, 2015
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Semiconductor device
    • Patent number 8,933,568
    • Issue date Jan 13, 2015
    • Mitsubishi Electric Corporation
    • Tsuyoshi Takayama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gate drive circuit
    • Patent number 8,610,485
    • Issue date Dec 17, 2013
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power module
    • Patent number 8,421,163
    • Issue date Apr 16, 2013
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Gate drive circuit
    • Patent number 7,710,187
    • Issue date May 4, 2010
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Semiconductor device
    • Patent number 7,602,595
    • Issue date Oct 13, 2009
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Drive device driving a plurality of semiconductor elements having r...
    • Patent number 7,547,992
    • Issue date Jun 16, 2009
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Semiconductor protection circuit
    • Patent number 6,891,707
    • Issue date May 10, 2005
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuaki Hiyama
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Power device driving circuit
    • Patent number 6,756,825
    • Issue date Jun 29, 2004
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuaki Hiyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Inrush current limiting circuit, power source device and power conv...
    • Patent number 6,735,098
    • Issue date May 11, 2004
    • Mitsubishi Denki Kabushiki Kaisha
    • Khalid Hassan Hussein
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Driver circuit for power device
    • Patent number 6,680,630
    • Issue date Jan 20, 2004
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuaki Hiyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Inverter with pre-charging capacitor to reduce inrush current
    • Patent number 6,654,262
    • Issue date Nov 25, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Khalid Hassan Hussein
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Inverter device
    • Patent number 6,459,598
    • Issue date Oct 1, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Akihisa Yamamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power converter
    • Patent number 6,351,399
    • Issue date Feb 26, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Ken Takanashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching device
    • Patent number 6,018,474
    • Issue date Jan 25, 2000
    • Mitsubishi Denki Kabushiki Kaisha
    • Khalid Hassan Hussein
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    MOTOR CONTROL DEVICE AND SEMICONDUCTOR UNIT
    • Publication number 20240421746
    • Publication date Dec 19, 2024
    • Mitsubishi Electric Corporation
    • Noboru MIYAMOTO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SWITCHING ELEMENT DRIVE CIRCUIT
    • Publication number 20240283443
    • Publication date Aug 22, 2024
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR SWITCHING ELEMENT DRIVE CIRCUIT AND SEMICONDUCTOR DEVICE
    • Publication number 20230006552
    • Publication date Jan 5, 2023
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CONTROL CIRCUIT AND POWER CONVERSION DEVICE
    • Publication number 20200186140
    • Publication date Jun 11, 2020
    • Mitsubishi Electric Corporation
    • Kazuaki HIYAMA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE, INVERTER, AND AUTOMOBILE
    • Publication number 20200067502
    • Publication date Feb 27, 2020
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND POWER CONVERSION SYSTEM
    • Publication number 20190372567
    • Publication date Dec 5, 2019
    • Mitsubishi Electric Corporation
    • Kentaro YOSHIDA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    FLYBACK POWER SUPPLY, INVERTER AND ELECTRICALLY POWERED VEHICLE
    • Publication number 20190043664
    • Publication date Feb 7, 2019
    • Mitsubishi Electric Corporation
    • Kazuaki HIYAMA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20160141284
    • Publication date May 19, 2016
    • Mitsubishi Electric Corporation
    • Mikio ISHIHARA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BUFFER CIRCUIT
    • Publication number 20160134271
    • Publication date May 12, 2016
    • Mitsubishi Electric Corporation
    • Kei HAYASHI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20160126156
    • Publication date May 5, 2016
    • Mitsubishi Electric Corporation
    • Tsuyoshi OSAGA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SWITCHING ELEMENT DRIVE CIRCUIT, POWER MODULE, AND AUTOMOBILE
    • Publication number 20150318850
    • Publication date Nov 5, 2015
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DRIVE PROTECTION CIRCUIT, SEMICONDUCTOR MODULE, AND AUTOMOBILE
    • Publication number 20150311692
    • Publication date Oct 29, 2015
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20130083442
    • Publication date Apr 4, 2013
    • MITSUBISHI ELECTRIC CORPORATION
    • Kazuaki Hiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    POWER MODULE
    • Publication number 20120032725
    • Publication date Feb 9, 2012
    • MITSUBISHI ELECTRIC CORPORATION
    • Kazuaki Hiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20110221076
    • Publication date Sep 15, 2011
    • MITSUBISHI ELECTRIC CORPORATION
    • Tsuyoshi TAKAYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    GATE DRIVE CIRCUIT
    • Publication number 20100148846
    • Publication date Jun 17, 2010
    • MITSUBISHI ELECTRIC CORPORATION
    • Kazuaki Hiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    GATE DRIVE CIRCUIT
    • Publication number 20090066402
    • Publication date Mar 12, 2009
    • MITSUBISHI ELECTRIC CORPORATION
    • Kazuaki Hiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DRIVE DEVICE DRIVING A PLURALITY OF SEMICONDUCTOR ELEMENTS HAVING R...
    • Publication number 20080297964
    • Publication date Dec 4, 2008
    • MITSUBISHI ELECTRIC CORPORATION
    • Kazuaki HIYAMA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20080198526
    • Publication date Aug 21, 2008
    • Mitsubishi Electric Corporation
    • Kazuaki Hiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Power device driving circuit
    • Publication number 20040017227
    • Publication date Jan 29, 2004
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuaki Hiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Power conversion device
    • Publication number 20030002298
    • Publication date Jan 2, 2003
    • Khalid Hassan Hussein
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Inrush current limiting circuit, power source device and power conv...
    • Publication number 20020191426
    • Publication date Dec 19, 2002
    • Khalid Hassan Hussein
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Semiconductor protection circuit
    • Publication number 20020176215
    • Publication date Nov 28, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuaki Hiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Power converter
    • Publication number 20010028572
    • Publication date Oct 11, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Ken Takanashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER