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Masahide FUJIWARA

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Patents Grantslast 30 patents

  • Information Patent Grant

    Power converter and heat pump system provided therewith
    • Patent number 12,224,678
    • Issue date Feb 11, 2025
    • Daikin Industries, Ltd.
    • Reiji Kawashima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Inverter device including a bootstrap circuit
    • Patent number 11,750,112
    • Issue date Sep 5, 2023
    • Daikin Industries, Ltd.
    • Masahide Fujiwara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power converter device having a capacitor and a reactor adjacent to...
    • Patent number 10,756,647
    • Issue date Aug 25, 2020
    • Daikin Industries, Ltd.
    • Masahide Fujiwara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion device and refrigeration apparatus
    • Patent number 10,739,019
    • Issue date Aug 11, 2020
    • Daikin Industries, Ltd.
    • Nobuyasu Hiraoka
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Preheater for compressor
    • Patent number 10,514,025
    • Issue date Dec 24, 2019
    • Daikin Industries, Ltd.
    • Shinichi Ishizeki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Power converter and air conditioner
    • Patent number 9,722,488
    • Issue date Aug 1, 2017
    • Daikin Industries, Ltd.
    • Shinichi Ishizeki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Refrigeration device
    • Patent number 9,693,490
    • Issue date Jun 27, 2017
    • Daikin Industries, Ltd.
    • Masahide Fujiwara
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Power converter and air conditioner
    • Patent number 9,577,534
    • Issue date Feb 21, 2017
    • Daikin Industries, Ltd.
    • Shinichi Ishizeki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power converter
    • Patent number 9,564,848
    • Issue date Feb 7, 2017
    • Daikin Industries, Ltd.
    • Shinichi Ishizeki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Refrigeration apparatus
    • Patent number 9,523,529
    • Issue date Dec 20, 2016
    • Daikin Industries, Ltd.
    • Akihiko Oguri
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Refrigerant jacket and air conditioning apparatus equipped therewith
    • Patent number 9,510,481
    • Issue date Nov 29, 2016
    • Daikin Industries, Ltd.
    • Masahide Fujiwara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Refrigeration apparatus
    • Patent number 9,377,237
    • Issue date Jun 28, 2016
    • Daikin Industries, Ltd.
    • Akihiko Oguri
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER CONVERSION SYSTEM
    • Publication number 20230261601
    • Publication date Aug 17, 2023
    • DAIKIN INDUSTRIES, LTD.
    • Reiji KAWASHIMA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERTER AND HEAT PUMP SYSTEM PROVIDED THEREWITH
    • Publication number 20230246561
    • Publication date Aug 3, 2023
    • Daikin Industries, Ltd.
    • Reiji KAWASHIMA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    INVERTER DEVICE
    • Publication number 20230145005
    • Publication date May 11, 2023
    • DAIKIN INDUSTRIES, LTD.
    • Masahide FUJIWARA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    AIR CONDITIONER AND PREHEATING OPERATION METHOD
    • Publication number 20220128286
    • Publication date Apr 28, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Keito KOTERA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    POWER CONVERSION DEVICE AND REFRIGERATION APPARATUS
    • Publication number 20200112248
    • Publication date Apr 9, 2020
    • DAIKIN INDUSTRIES, LTD.
    • Nobuyasu HIRAOKA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERTION DEVICE
    • Publication number 20190341860
    • Publication date Nov 7, 2019
    • DAIKIN INDUSTRIES, LTD.
    • Masahide FUJIWARA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    PREHEATER FOR COMPRESSOR
    • Publication number 20170314815
    • Publication date Nov 2, 2017
    • DAIKIN INDUSTRIES, LTD.
    • Shinichi ISHIZEKI
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    REFRIGERATION DEVICE
    • Publication number 20160330876
    • Publication date Nov 10, 2016
    • DAIKIN INDUSTRIES, LTD.
    • Masahide FUJIWARA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERTER AND AIR CONDITIONER
    • Publication number 20160248318
    • Publication date Aug 25, 2016
    • DAIKIN INDUSTRIES, LTD.
    • Shinichi ISHIZEKI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERTER
    • Publication number 20160248365
    • Publication date Aug 25, 2016
    • DAIKIN INDUSTRIES, LTD.
    • Shinichi ISHIZEKI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERTER AND AIR CONDITIONER
    • Publication number 20160218624
    • Publication date Jul 28, 2016
    • DAIKIN INDUSTRIES, LTD.
    • Shinichi ISHIZEKI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    REFRIGERANT JACKET AND AIR CONDITIONING APPARATUS EQUIPPED THEREWITH
    • Publication number 20150271953
    • Publication date Sep 24, 2015
    • DAIKIN INDUSTRIES, LTD.
    • Masahide FUJIWARA
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    REFRIGERATION APPARATUS
    • Publication number 20150128631
    • Publication date May 14, 2015
    • DAIKIN INDUSTRIES, LTD.
    • Akihiko Oguri
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION APPARATUS
    • Publication number 20150114021
    • Publication date Apr 30, 2015
    • DAIKIN INDUSTRIES, LTD.
    • Akihiko Oguri
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...