Takamasa Asai

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Electric power conversion device

    • Patent number 11,527,983
    • Issue date Dec 13, 2022
    • Mitsubishi Electric Corporation
    • Ryo Ute
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion device

    • Patent number 9,793,846
    • Issue date Oct 17, 2017
    • Mitsubishi Electric Corporation
    • Kenichi Fujie
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion device and method for diagnosing failure thereof

    • Patent number 9,793,835
    • Issue date Oct 17, 2017
    • Mitsubishi Electric Corporation
    • Kenichi Fujie
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Diagnosis apparatus for field winding type rotating electric machin...

    • Patent number 9,709,631
    • Issue date Jul 18, 2017
    • Mitsubishi Electric Corporation
    • Kenichi Fujie
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Charge pump circuit

    • Patent number 9,680,373
    • Issue date Jun 13, 2017
    • Mitsubishi Electric Corporation
    • Naruki Suetake
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Vehicular AC electric generator

    • Patent number 9,621,100
    • Issue date Apr 11, 2017
    • Mitsubishi Electric Corporation
    • Takamasa Asai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric power converter

    • Patent number 9,590,554
    • Issue date Mar 7, 2017
    • Mitsubishi Electric Corporation
    • Takamasa Asai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion device and method for diagnosing failure thereof

    • Patent number 9,564,841
    • Issue date Feb 7, 2017
    • Mitsubishi Electric Corporation
    • Kenichi Fujie
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Current limiting device for vehicle

    • Patent number 8,901,865
    • Issue date Dec 2, 2014
    • Mitsubishi Electric Corporation
    • Kenichi Fujie
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion device including short circuit detection device

    • Patent number 8,797,768
    • Issue date Aug 5, 2014
    • Mitsubishi Electric Corporation
    • Takamasa Asai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power converter

    • Patent number 7,889,529
    • Issue date Feb 15, 2011
    • Mitsubishi Electric Corporation
    • Takamasa Asai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Inverter circuit

    • Patent number 7,660,094
    • Issue date Feb 9, 2010
    • Mitsubishi Denki Kabushiki Kaisha
    • Takahiro Urakabe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Automotive rotary electrical apparatus

    • Patent number 7,514,906
    • Issue date Apr 7, 2009
    • Mitsubishi Electric Corporation
    • Katsuya Tsujimoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power controlling apparatus with power converting circuit

    • Patent number 7,075,271
    • Issue date Jul 11, 2006
    • Mitsubishi Denki Kabushiki Kaisha
    • Takahiro Urakabe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRONIC CONTROL DEVICE AND POWER SUPPLY INPUT CIRCUIT

    • Publication number 20230134710
    • Publication date May 4, 2023
    • Mitsubishi Electric Corporation
    • Masanori IKEUCHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRIC POWER CONVERSION DEVICE

    • Publication number 20220123682
    • Publication date Apr 21, 2022
    • Mitsubishi Electric Corporation
    • Ryo UTE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERSION DEVICE AND METHOD FOR DIAGNOSING FAILURE THEREOF

    • Publication number 20170093311
    • Publication date Mar 30, 2017
    • Mitsubishi Electric Corporation
    • Kenichi FUJIE
    • G01 - MEASURING TESTING
  • Information Patent Application

    POWER CONVERSION DEVICE

    • Publication number 20170019051
    • Publication date Jan 19, 2017
    • Mitsubishi Electric Corporation
    • Kenichi Fujie
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRIC POWER CONVERTER

    • Publication number 20160156302
    • Publication date Jun 2, 2016
    • Mitsubishi Electric Corporation
    • Takamasa Asai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DIAGNOSIS APPARATUS FOR FIELD WINDING TYPE ROTATING ELECTRIC MACHIN...

    • Publication number 20160146890
    • Publication date May 26, 2016
    • Mitsubishi Electric Corporation
    • Kenichi FUJIE
    • G01 - MEASURING TESTING
  • Information Patent Application

    CHARGE PUMP CIRCUIT

    • Publication number 20150318783
    • Publication date Nov 5, 2015
    • Mitsubishi Electric Corporation
    • Naruki SUETAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERSION DEVICE AND METHOD FOR DIAGNOSING FAILURE THEREOF

    • Publication number 20150280623
    • Publication date Oct 1, 2015
    • Mitsubishi Electric Corporation
    • Kenichi Fujie
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    VEHICULAR AC ELECTRIC GENERATOR

    • Publication number 20150188479
    • Publication date Jul 2, 2015
    • Mitsubishi Electric Corporation
    • Takamasa Asai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CURRENT LIMITING DEVICE FOR VEHICLE

    • Publication number 20110234127
    • Publication date Sep 29, 2011
    • Mitsubishi Electric Corporation
    • Kenichi FUJIE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERSION DEVICE

    • Publication number 20100142235
    • Publication date Jun 10, 2010
    • Mitsubishi Electric Corporation
    • Takamasa ASAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CONTROLLER-INTEGRATED ROTATING ELECTRICAL MACHINE

    • Publication number 20100133961
    • Publication date Jun 3, 2010
    • Mitsubishi Electric Corporation
    • Yuji SHIRAKATA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERTER

    • Publication number 20090052211
    • Publication date Feb 26, 2009
    • Mitsubishi Electric Corporation
    • Takamasa Asai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Inverter circuit

    • Publication number 20060126253
    • Publication date Jun 15, 2006
    • Mitsubishi Denki Kabushiki Kaisha
    • Takahiro Urakabe
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Gate drive circuit for semiconductor device

    • Publication number 20060119414
    • Publication date Jun 8, 2006
    • Mitsubishi Denki Kabushiki Kaisha
    • Shigetada Gotou
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Power conversion device

    • Publication number 20050226298
    • Publication date Oct 13, 2005
    • Mitsubishi Denki Kabushiki Kaisha
    • Takamasa Asai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power controlling apparatus

    • Publication number 20050105308
    • Publication date May 19, 2005
    • Mitsubishi Denki Kabushiki Kaisha
    • Takahiro Urakabe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER