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Hiroyuki Haga

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Power factor improving converter, and power supply device including...
    • Patent number 10,601,308
    • Issue date Mar 24, 2020
    • Shindengen Electric Manufacturing Co., Ltd.
    • Hiroyuki Haga
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Switching circuit
    • Patent number 7,221,208
    • Issue date May 22, 2007
    • Shindengen Electric Manufacturing Co., Ltd.
    • Kenichi Kubota
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Switching power supply
    • Patent number 6,984,966
    • Issue date Jan 10, 2006
    • Shindengen Electric Manufacturing Co., Ltd.
    • Kenichi Kubota
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Polyphase rectifying apparatus having single-phase rectifiers contr...
    • Patent number 6,587,360
    • Issue date Jul 1, 2003
    • Shindengen Electric Manufacturing Co., Ltd.
    • Hiroyuki Haga
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER FACTOR IMPROVING CONVERTER, AND POWER SUPPLY DEVICE INCLUDING...
    • Publication number 20170222545
    • Publication date Aug 3, 2017
    • Hiroyuki HAGA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Switching circuit
    • Publication number 20060049810
    • Publication date Mar 9, 2006
    • SHINDENGEN ELECTRIC MANUFACTURING CO, LTD
    • Kenichi Kubota
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SWITCHING POWER SUPPLY
    • Publication number 20050212498
    • Publication date Sep 29, 2005
    • Kenichi Kubota
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Polyphase rectifying apparatus having single-phase rectifiers contr...
    • Publication number 20020080632
    • Publication date Jun 27, 2002
    • SHINDENGEN ELECTRIC MANUFACTURING CO., LTD.
    • Hiroyuki Haga
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...