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Osamu OHTAKE

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    INTEGRATED CIRCUIT AND METHOD OF DIGITALLY CONTROLING CRITICAL MODE...
    • Publication number 20220294337
    • Publication date Sep 15, 2022
    • Sanken Electric Co., Ltd
    • Osamu OHTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    INTEGRATED CIRCUIT AND METHOD OF SYNCHRONOUS RECTIFICATION CONTROL...
    • Publication number 20220271654
    • Publication date Aug 25, 2022
    • Sanken Electric Co., Ltd
    • Osamu OHTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERSION DEVICE AND CONTROL CIRCUIT
    • Publication number 20200186036
    • Publication date Jun 11, 2020
    • Sanken Electric Co., Ltd
    • Junichi TAKADA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Device and Method for Calculating Switching Time
    • Publication number 20200067403
    • Publication date Feb 27, 2020
    • Sanken Electric Co., Ltd.
    • Osamu OHTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERSION DEVICE AND CONTROL CIRCUIT
    • Publication number 20190312512
    • Publication date Oct 10, 2019
    • Sanken Electric Co., Ltd
    • Junichi TAKADA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ALTERNATING-CURRENT VOLTAGE DETECTION CIRCUIT
    • Publication number 20190148962
    • Publication date May 16, 2019
    • Sanken Electric Co., Ltd
    • Osamu OHTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERSION DEVICE AND CONTROL CIRCUIT
    • Publication number 20190006945
    • Publication date Jan 3, 2019
    • Sanken Electric Co., Ltd
    • Junichi TAKADA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CURRENT RESONANT POWER SUPPLY DEVICE
    • Publication number 20180041129
    • Publication date Feb 8, 2018
    • Sanken Electric Co., Ltd
    • Takeki SUGAHARA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CURRENT RESONANT POWER SUPPLY DEVICE
    • Publication number 20180041131
    • Publication date Feb 8, 2018
    • Sanken Electric Co., Ltd
    • Takeki SUGAHARA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CAPACITOR DISCHARGE CIRCUIT
    • Publication number 20170346325
    • Publication date Nov 30, 2017
    • Sanken Electric Co., Ltd
    • Osamu OHTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CURRENT RESONANCE TYPE POWER SUPPLY DEVICE
    • Publication number 20170207714
    • Publication date Jul 20, 2017
    • Sanken Electric Co., Ltd
    • Osamu OHTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SWITCHING CONTROL CIRCUIT AND SWITCHING POWER-SUPPLY DEVICE
    • Publication number 20170154739
    • Publication date Jun 1, 2017
    • Sanken Electric Co., Ltd
    • Takeki SUGAHARA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER FACTOR CORRECTION CIRCUIT
    • Publication number 20160285358
    • Publication date Sep 29, 2016
    • Sanken Electric Co., Ltd
    • Osamu OHTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Switching Power-Supply Device
    • Publication number 20160248332
    • Publication date Aug 25, 2016
    • Sanken Electric Co., Ltd
    • Osamu OHTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CURRENT RESONANT POWER SUPPLY DEVICE
    • Publication number 20160065075
    • Publication date Mar 3, 2016
    • SANKEN ELECTRIC CO., LTD.
    • Takeki SUGAHARA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Switching Power-Supply Device
    • Publication number 20150381055
    • Publication date Dec 31, 2015
    • Sanken Electric Co., Ltd
    • Osamu OHTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CURRENT RESONANCE TYPE POWER SUPPLY DEVICE
    • Publication number 20150280577
    • Publication date Oct 1, 2015
    • Sanken Electric Co., Ltd
    • Osamu OHTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CURRENT RESONANT POWER SOURCE APPARATUS
    • Publication number 20150256088
    • Publication date Sep 10, 2015
    • Sanken Electric Co., Ltd
    • Osamu OHTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    LED LIGHTING APPARATUS
    • Publication number 20150245432
    • Publication date Aug 27, 2015
    • Sanken Electric Co., Ltd
    • Osamu OHTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CURRENT RESONANCE TYPE POWER SUPPLY DEVICE
    • Publication number 20150092453
    • Publication date Apr 2, 2015
    • Sanken Electric Co., Ltd
    • Osamu OHTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Low Current Protection Circuit
    • Publication number 20150029628
    • Publication date Jan 29, 2015
    • Sanken Electric Co., Ltd
    • Osamu OHTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CONSTANT CURRENT POWER SUPPLY DEVICE
    • Publication number 20120161654
    • Publication date Jun 28, 2012
    • Sanken Electric Co., Ltd
    • Osamu OHTAKE
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DC converter
    • Publication number 20060215424
    • Publication date Sep 28, 2006
    • Sanken Electric Co., Ltd
    • Shinji Aso
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER