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Koichi Morita

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Voltage balance circuit, voltage detecting circuit, voltage balanci...
    • Patent number 7,583,057
    • Issue date Sep 1, 2009
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Voltage balance circuit, voltage detective circuit, voltage balanci...
    • Patent number 7,288,919
    • Issue date Oct 30, 2007
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Semiconductor switch
    • Patent number 7,245,175
    • Issue date Jul 17, 2007
    • Sanken Electric Co. Ltd.
    • Koichi Morita
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power factor improving circuit
    • Patent number 7,202,640
    • Issue date Apr 10, 2007
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power factor improving converter and control method thereof
    • Patent number 6,980,445
    • Issue date Dec 27, 2005
    • Sanken Electric Co., Ltd.
    • Yukinari Fukumoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching amplifier and signal amplifying method
    • Patent number 6,788,137
    • Issue date Sep 7, 2004
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Switching power supply capable of ac to dc conversion
    • Patent number 6,700,801
    • Issue date Mar 2, 2004
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply
    • Patent number 6,680,854
    • Issue date Jan 20, 2004
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Soft-switching power supply
    • Patent number 6,671,188
    • Issue date Dec 30, 2003
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    AC-to-DC converter
    • Patent number 6,661,684
    • Issue date Dec 9, 2003
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Zero-voltage-switching power supply
    • Patent number 6,639,813
    • Issue date Oct 28, 2003
    • Sanken Electric Co, Ltd.
    • Toshiyuki Yamagishi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply capable of ac to dc conversion
    • Patent number 6,600,670
    • Issue date Jul 29, 2003
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Low-noise switching power supply
    • Patent number 6,574,122
    • Issue date Jun 3, 2003
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply
    • Patent number 6,466,463
    • Issue date Oct 15, 2002
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Dc-to-dc converter
    • Patent number 6,396,719
    • Issue date May 28, 2002
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC-DC converter
    • Patent number 4,763,235
    • Issue date Aug 9, 1988
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC-DC converter
    • Patent number 4,758,937
    • Issue date Jul 19, 1988
    • Sanken Electric Company, Ltd.
    • Hiroshi Usui
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Voltage balance circuit, voltage detecting circuit, voltage balanci...
    • Publication number 20080018301
    • Publication date Jan 24, 2008
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Semiconductor switch
    • Publication number 20050225373
    • Publication date Oct 13, 2005
    • Koichi Morita
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Power factor improving converter and control method thereof
    • Publication number 20050162143
    • Publication date Jul 28, 2005
    • Yukinari Fukumoto
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Power factor improving circuit
    • Publication number 20050068796
    • Publication date Mar 31, 2005
    • Koichi Morita
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Voltage balance circuit, voltage detective circuit, voltage balanci...
    • Publication number 20040246635
    • Publication date Dec 9, 2004
    • Koichi Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Switching power supply capable of ac to dc conversion
    • Publication number 20030063479
    • Publication date Apr 3, 2003
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Switching power supply capable of ac to dc conversion
    • Publication number 20030063480
    • Publication date Apr 3, 2003
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Soft-switching power supply
    • Publication number 20030043600
    • Publication date Mar 6, 2003
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Switching power supply
    • Publication number 20030043602
    • Publication date Mar 6, 2003
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Zero-voltage-switching power supply
    • Publication number 20030002301
    • Publication date Jan 2, 2003
    • Sanken Electric Co., Ltd.
    • Toshiyuki Yamagishi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Switching amplifier and signal amplifying method
    • Publication number 20020190789
    • Publication date Dec 19, 2002
    • Koichi Morita
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SWITCHING POWER SUPPLY
    • Publication number 20020154522
    • Publication date Oct 24, 2002
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    AC-to-DC converter
    • Publication number 20020118553
    • Publication date Aug 29, 2002
    • Koichi Morita
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Low-noise switching power supply
    • Publication number 20020114176
    • Publication date Aug 22, 2002
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Dc-to-dc converter
    • Publication number 20010050853
    • Publication date Dec 13, 2001
    • Sanken Electric Co., Ltd.
    • Koichi Morita
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...