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Hidetomo OHASHI

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  • Matsumoto-city, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Temperature detection device and power conversion device
    • Patent number 11,022,499
    • Issue date Jun 1, 2021
    • Fuji Electric Co., Ltd.
    • Hidetomo Ohashi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Drive circuit for power element
    • Patent number 10,911,030
    • Issue date Feb 2, 2021
    • Fuji Electric Co., Ltd.
    • Hidetomo Ohashi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Semiconductor device and power module
    • Patent number 10,742,204
    • Issue date Aug 11, 2020
    • Fuji Electric Co., Ltd.
    • Hidetomo Ohashi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Drive circuit for power element
    • Patent number 10,243,552
    • Issue date Mar 26, 2019
    • Fuji Electric Co., Ltd.
    • Hidetomo Ohashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Drive circuit for power element
    • Patent number 10,243,549
    • Issue date Mar 26, 2019
    • Fuji Electric Co., Ltd.
    • Hidetomo Ohashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Semiconductor device
    • Patent number 9,979,272
    • Issue date May 22, 2018
    • Fuji Electric Co., Ltd.
    • Shinichi Tezuka
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Switching power supply device
    • Patent number 9,787,204
    • Issue date Oct 10, 2017
    • Fuji Electric Co., Ltd.
    • Hidetomo Ohashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power device drive circuit
    • Patent number 9,692,406
    • Issue date Jun 27, 2017
    • Fuji Electric Co., Ltd.
    • Hidetomo Ohashi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power device drive circuit
    • Patent number 9,660,635
    • Issue date May 23, 2017
    • Fuji Electric Co., Ltd.
    • Hidetomo Ohashi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Switching power supply apparatus
    • Patent number 9,647,566
    • Issue date May 9, 2017
    • Fuji Electric Co., Ltd.
    • Hidetomo Ohashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Drive circuit and semiconductor device
    • Patent number 9,502,955
    • Issue date Nov 22, 2016
    • Fuji Electric Co., Ltd.
    • Hidetomo Ohashi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Switching power supply device
    • Patent number 9,413,255
    • Issue date Aug 9, 2016
    • Fuji Electric Co., Ltd.
    • Hidetomo Ohashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply device
    • Patent number 9,385,602
    • Issue date Jul 5, 2016
    • Fuji Electric Co., Ltd.
    • Hidetomo Ohashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Resonant switching power supply device
    • Patent number 9,093,904
    • Issue date Jul 28, 2015
    • Fuji Electric Co., Ltd.
    • Tadahiko Sato
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Driving system for switching power supply to reduce switch noise an...
    • Patent number 8,294,506
    • Issue date Oct 23, 2012
    • Fuji Electric Co., Ltd.
    • Hidetomo Ohashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    TEMPERATURE DETECTION DEVICE AND POWER CONVERSION DEVICE
    • Publication number 20190226919
    • Publication date Jul 25, 2019
    • Fuji Electric Co., Ltd.
    • Hidetomo OHASHI
    • G01 - MEASURING TESTING
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND POWER MODULE
    • Publication number 20190190514
    • Publication date Jun 20, 2019
    • Fuji Electric Co., Ltd.
    • Hidetomo OHASHI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DRIVE CIRCUIT FOR POWER ELEMENT
    • Publication number 20190036523
    • Publication date Jan 31, 2019
    • Fuji Electric Co., Ltd.
    • Hidetomo OHASHI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DRIVE CIRCUIT FOR POWER ELEMENT
    • Publication number 20190036522
    • Publication date Jan 31, 2019
    • Fuji Electric Co., Ltd.
    • Hidetomo OHASHI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DRIVE CIRCUIT FOR POWER ELEMENT
    • Publication number 20180375499
    • Publication date Dec 27, 2018
    • Fuji Electric Co., Ltd.
    • Hidetomo OHASHI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20170264184
    • Publication date Sep 14, 2017
    • Fuji Electric Co., Ltd.
    • Shinichi TEZUKA
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    SWITCHING POWER SUPPLY DEVICE
    • Publication number 20160322912
    • Publication date Nov 3, 2016
    • Fuji Electric Co., Ltd.
    • Hidetomo OHASHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DRIVE CIRCUIT AND SEMICONDUCTOR DEVICE
    • Publication number 20160036315
    • Publication date Feb 4, 2016
    • Fuji Electric Co., Ltd.
    • Hidetomo OHASHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER DEVICE DRIVE CIRCUIT
    • Publication number 20150372672
    • Publication date Dec 24, 2015
    • Fuji Electric Co., Ltd.
    • Hidetomo OHASHI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SWITCHING POWER SUPPLY DEVICE
    • Publication number 20150109831
    • Publication date Apr 23, 2015
    • Fuji Electric Co., Ltd.
    • Hidetomo OHASHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SWITCHING POWER SUPPLY APPARATUS
    • Publication number 20140376275
    • Publication date Dec 25, 2014
    • Hidetomo OHASHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SWITCHING POWER SUPPLY DEVCE
    • Publication number 20140376281
    • Publication date Dec 25, 2014
    • Fuji Electric Co., Ltd.
    • Hidetomo OHASHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    RESONANT SWITCHING POWER SUPPLY DEVICE
    • Publication number 20130308347
    • Publication date Nov 21, 2013
    • Fuji Electric Co., Ltd.
    • Tadahiko Sato
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER