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Mitsutomo Yoshinaga

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  • Saitama-ken, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    EXCITATION CURRENT DETECTION CIRCUIT AND SEMICONDUCTOR DEVICE
    • Publication number 20240061020
    • Publication date Feb 22, 2024
    • Sanken Electric Co., Ltd
    • Shinji ASO
    • G01 - MEASURING TESTING
  • Information Patent Application

    SWITCHING POWER SUPPLY APPARATUS
    • Publication number 20230327568
    • Publication date Oct 12, 2023
    • Sanken Electric Co., Ltd
    • Eunsuk LEE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SWITCHING POWER SUPPLY APPARATUS
    • Publication number 20230327569
    • Publication date Oct 12, 2023
    • Sanken Electric Co., Ltd
    • Eunsuk LEE
    • 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 Converting Input Voltage to Output Voltage
    • Publication number 20190379290
    • Publication date Dec 12, 2019
    • Sanken Electric Co., Ltd.
    • Junichi TAKADA
    • G06 - COMPUTING CALCULATING COUNTING
  • 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

    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

    SWITCHING POWER SUPPLY DEVICE CHANGING OUTPUT VOLTAGE SETTING AND I...
    • Publication number 20170358994
    • Publication date Dec 14, 2017
    • Sanken Electric Co., Ltd.
    • Masao UENO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Integrated Circuit and Switching Power-Supply Device
    • Publication number 20160380527
    • Publication date Dec 29, 2016
    • Sanken Electric Co., Ltd
    • Akira Hayakawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Integrated Circuit and Switching Power-Supply Device
    • Publication number 20160373010
    • Publication date Dec 22, 2016
    • Sanken Electric Co., Ltd
    • Mitsutomo YOSHINAGA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    LED DRIVING DEVICE, LED LIGHTING APPARATUS, AND ERROR AMPLIFICATION...
    • Publication number 20140375227
    • Publication date Dec 25, 2014
    • Mitsutomo YOSHINAGA
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LED DRIVING DEVICE AND LED LIGHTING APPARATUS
    • Publication number 20140232270
    • Publication date Aug 21, 2014
    • Sanken Electric Co., Ltd
    • Kengo KIMURA
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SWITCHING POWER SOURCE DEVICE AND CONTROL IC WHICH ARE CAPABLE OF P...
    • Publication number 20140233273
    • Publication date Aug 21, 2014
    • Sanken Electric Co., Ltd
    • Mitsutomo YOSHINAGA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DC Power-Supply Apparatus
    • Publication number 20140184095
    • Publication date Jul 3, 2014
    • Sanken Electric Co., Ltd
    • Mitsutomo Yoshinaga
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DIRECT-CURRENT POWER SUPPLY DEVICE
    • Publication number 20140092642
    • Publication date Apr 3, 2014
    • Sanken Electric Co., Ltd
    • Mitsutomo YOSHINAGA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    LED LIGHTING APPARATUS
    • Publication number 20120319610
    • Publication date Dec 20, 2012
    • Sanken Electric Co., Ltd
    • Mitsutomo YOSHINAGA
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LED DRIVER AND LED ILLUMINATOR HAVING THE SAME
    • Publication number 20120248998
    • Publication date Oct 4, 2012
    • Sanken Electric Co., Ltd
    • Mitsutomo YOSHINAGA
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    LED LIGHTING APPARATUS
    • Publication number 20110285307
    • Publication date Nov 24, 2011
    • Sanken Electric Co., Ltd
    • Kengo KIMURA
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ACTIVE SNUBBER CIRCUIT AND POWER SUPPLY CIRCUIT
    • Publication number 20110194313
    • Publication date Aug 11, 2011
    • SANKEN ELECTRIC CO., LTD.
    • Mitsutomo Yoshinaga
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Switching power supply
    • Publication number 20020145888
    • Publication date Oct 10, 2002
    • Mitsutomo Yoshinaga
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...