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Yukihiro Nishikawa

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    MANDATE PROCESSING DEVICE, MANDATE PROCESSING METHOD, AND MANDATE P...
    • Publication number 20240303304
    • Publication date Sep 12, 2024
    • Hitachi, Ltd
    • Manami IKEDA
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    POWER CONVERSION DEVICE, CONTROL DEVICE FOR POWER CONVERSION DEVICE...
    • Publication number 20230134040
    • Publication date May 4, 2023
    • Fuji Electric Co., Ltd.
    • Yukihiro NISHIKAWA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERSION DEVICE
    • Publication number 20210399644
    • Publication date Dec 23, 2021
    • Fuji Electric Co., Ltd.
    • Yukihiro NISHIKAWA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ISOLATED DC/DC CONVERTER, CONTROL UNIT FOR ISOLATED DC/DC CONVERTER...
    • Publication number 20190312519
    • Publication date Oct 10, 2019
    • Fuji Electric Co., Ltd.
    • Takashi IIDA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    BIDIRECTIONAL DC/DC CONVERTER
    • Publication number 20150381064
    • Publication date Dec 31, 2015
    • Fuji Electric Co., Ltd.
    • Kunio Matsubara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    COOLING STRUCTURE FOR MAGNETIC COMPONENT AND POWER CONVERTER PROVID...
    • Publication number 20150348694
    • Publication date Dec 3, 2015
    • Fuji Electric Co., Ltd.
    • Masaki SAKUMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MAGNETIC COMPONENT COOLING STRUCTURE AND POWER CONVERTER HAVING THE...
    • Publication number 20150245537
    • Publication date Aug 27, 2015
    • Fuji Electric Co., Ltd.
    • Masaki SAKUMA
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    COOLING DEVICE AND POWER CONVERTER HAVING COOLING DEVICE
    • Publication number 20150216090
    • Publication date Jul 30, 2015
    • Fuji Electric Co., Ltd.
    • Masaki SAKUMA
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ELECTRONIC EQUIPMENT COOLING DEVICE AND POWER CONVERTER HAVING ELEC...
    • Publication number 20150216077
    • Publication date Jul 30, 2015
    • Fuji Electric Co., Ltd.
    • Yasuhito TANAKA
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    RESONANT DC-DC CONVERTER CONTROL DEVICE
    • Publication number 20140355313
    • Publication date Dec 4, 2014
    • Fuji Electric Co., Ltd.
    • Yukihiro Nishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    BI-DIRECTIONAL DC/DC CONVERTER
    • Publication number 20140104890
    • Publication date Apr 17, 2014
    • Fuji Electric Co., Ltd.
    • Kunio MATSUBARA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SWITCHING POWER SUPPLY SYSTEM AND CONTROL CIRCUIT OF THE SWITCHING...
    • Publication number 20140043868
    • Publication date Feb 13, 2014
    • Fuji Electric Co., Ltd.
    • Masahiko SAKURAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SWITCHING POWER SUPPLY
    • Publication number 20130141947
    • Publication date Jun 6, 2013
    • Fuji Electric Co., Ltd.
    • Masahiko SAKURAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SWITCHING POWER SUPPLY DEVICE AND METHOD FOR CONTROL THEREOF
    • Publication number 20130141946
    • Publication date Jun 6, 2013
    • Fuji Electric Co., Ltd.
    • Masahiko SAKURAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CURRENT ESTIMATION CIRCUIT
    • Publication number 20120313646
    • Publication date Dec 13, 2012
    • Yukihiro Nishikawa
    • G01 - MEASURING TESTING
  • Information Patent Application

    POWER FACTOR CORRECTION CIRCUIT
    • Publication number 20100309699
    • Publication date Dec 9, 2010
    • FUJI ELECTRIC SYTEMS CO., LTD
    • Yukihiro NISHIKAWA
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Control system of a power factor correction circuit
    • Publication number 20100110739
    • Publication date May 6, 2010
    • Fuji Electric Systems Co., Ltd.
    • Yukihiro Nishikawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Switching power supply
    • Publication number 20090284991
    • Publication date Nov 19, 2009
    • Fuji Electric Device Technology Co., LTD.
    • Yukihiro Nishikawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Power Converter
    • Publication number 20090244943
    • Publication date Oct 1, 2009
    • Fuji Electric Device Technology Co., Ltd.
    • Michiya Yamada
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Switching power supply
    • Publication number 20090237050
    • Publication date Sep 24, 2009
    • Fuji Electric Device Co., Ltd.
    • Michiya Yamada
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Switching power supply
    • Publication number 20090184698
    • Publication date Jul 23, 2009
    • Fuji Electric Device Technology Co., LTD.
    • Yukihiro Nishikawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Switch mode power supply
    • Publication number 20090027927
    • Publication date Jan 29, 2009
    • Fuji Electronic Device Technology Co., Ltd
    • Yukihiro Nishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SWITCHING POWER SUPPLY APPARATUS
    • Publication number 20090010027
    • Publication date Jan 8, 2009
    • Fuji Electric Device Technology Co., LTD.
    • Yukihiro NISHIKAWA
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Switching power supply device
    • Publication number 20080219033
    • Publication date Sep 11, 2008
    • Fuji Electric Device Technology Co., LTD.
    • Yukihiro Nishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SWITCHING POWER SUPPLY DEVICE
    • Publication number 20080112192
    • Publication date May 15, 2008
    • FUJI ELECTRIC DEVICE TECHNOLOGY CO., LTD.
    • Yukihiro Nishikawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Electric power converter
    • Publication number 20070047267
    • Publication date Mar 1, 2007
    • Yukihiro Nishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Control method for switching power supply circuit
    • Publication number 20060198168
    • Publication date Sep 7, 2006
    • Fuji Electric Device Technology Co., LTD.
    • Kenji Fujita
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Power conversion device
    • Publication number 20060119281
    • Publication date Jun 8, 2006
    • Fuji Electric Device Technology Co., Ltd.
    • Yukihiro Nishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Control circuit of MOSFET for synchronous rectification
    • Publication number 20040037099
    • Publication date Feb 26, 2004
    • Yukihiro Nishikawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    DC/DC Converter and control method thereof
    • Publication number 20020080634
    • Publication date Jun 27, 2002
    • Fuji Electric Co., Ltd.
    • Takeshi Nozawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER