TREA

Jun Nagai

Follow

Person

  • Kyoto-fu, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Power supply module
    • Patent number 9,553,428
    • Issue date Jan 24, 2017
    • Murata Manufacturing Co., Ltd.
    • Jun Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC-DC converter including switching frequency control circuit
    • Patent number 8,634,210
    • Issue date Jan 21, 2014
    • Murata Manufacturing Co., Ltd.
    • Jun Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Isolated DC-DC converter
    • Patent number 7,474,543
    • Issue date Jan 6, 2009
    • Murata Manufacturing Co., Ltd.
    • Jun Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply circuit with a soft-start function
    • Patent number 7,158,394
    • Issue date Jan 2, 2007
    • Murata Manufacturing Co., Ltd.
    • Seiichi Takahashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching electric source device
    • Patent number 7,042,739
    • Issue date May 9, 2006
    • Murata Manufacturing Co., Ltd.
    • Jun Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Surface-mount type switching power-supply unit and mounting method...
    • Patent number 6,876,555
    • Issue date Apr 5, 2005
    • Murata Manufacturing Co., Ltd.
    • Tadehiko Matsumoto
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Synchronous converter with reverse current protection through varia...
    • Patent number 6,778,412
    • Issue date Aug 17, 2004
    • Murata Manufacturing Co., Ltd.
    • Jun Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power-supply module
    • Patent number 6,757,174
    • Issue date Jun 29, 2004
    • Murata Manufacturing Co., Ltd.
    • Jun Nagai
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Coil device
    • Patent number 6,690,256
    • Issue date Feb 10, 2004
    • Murata Manufacturing Co., Ltd.
    • Yasuo Ohashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    DC-DC converter
    • Patent number 6,574,081
    • Issue date Jun 3, 2003
    • Murata Manufacturing Co., Ltd.
    • Tadahiko Matsumoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Coil apparatus and manufacturing method for the same
    • Patent number 6,513,230
    • Issue date Feb 4, 2003
    • Murata Manufacturing Co., Ltd.
    • Keiji Inoue
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    DC-DC converter
    • Patent number 6,414,861
    • Issue date Jul 2, 2002
    • Murata Manufacturing Co., Ltd.
    • Tadahiko Matsumoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Coil device and switching power supply apparatus using the same
    • Patent number 6,380,836
    • Issue date Apr 30, 2002
    • Murata Manufacturing Co., Ltd.
    • Tadahiko Matsumoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply unit
    • Patent number 6,295,214
    • Issue date Sep 25, 2001
    • Murata Manufacturing Co., Ltd.
    • Tadahiko Matsumoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Coil device and switching power supply apparatus using the same
    • Patent number 6,281,779
    • Issue date Aug 28, 2001
    • Murata Manufacturing Co., Ltd.
    • Tadahiko Matsumoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Isolating DC-DC converter
    • Patent number 6,185,114
    • Issue date Feb 6, 2001
    • Murata Manufacturing Co., Ltd.
    • Tadahiko Matsumoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC-DC converter
    • Patent number 6,181,579
    • Issue date Jan 30, 2001
    • Murata Manufacturing Co., Ltd.
    • Jun Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER SUPPLY MODULE
    • Publication number 20130265723
    • Publication date Oct 10, 2013
    • Murata Manufacturing Co., Ltd.
    • Jun NAGAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DC-DC CONVERTER
    • Publication number 20120230062
    • Publication date Sep 13, 2012
    • Murata Manufacturing Co., Ltd.
    • Jun NAGAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Isolated Dc-Dc Converter
    • Publication number 20080205090
    • Publication date Aug 28, 2008
    • Jun Nagai
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Switching power supply circuit
    • Publication number 20060164871
    • Publication date Jul 27, 2006
    • Seiichi Takahashi
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Switching electric source device
    • Publication number 20050041441
    • Publication date Feb 24, 2005
    • Murata Manfacturing Co., Ltd.
    • Jun Nagai
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    DC-DC converter
    • Publication number 20030048644
    • Publication date Mar 13, 2003
    • Murata Manufacturing Co., Ltd.
    • Jun Nagai
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Surface-mount type switching power-supply unit and mounting method...
    • Publication number 20020189083
    • Publication date Dec 19, 2002
    • Murata Manufacturing Co., Ltd.
    • Tadehiko Matsumoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Coil device
    • Publication number 20020158742
    • Publication date Oct 31, 2002
    • Murata Manufacturing Co., Ltd.
    • Yasuo Ohashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Switching power-supply module
    • Publication number 20020153872
    • Publication date Oct 24, 2002
    • Murata Manufacturing Co., Ltd.
    • Jun Nagai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Coil apparatus and manufacturing method for the same
    • Publication number 20020109572
    • Publication date Aug 15, 2002
    • Murata Manufacturing Co., Ltd.
    • Keiji Inoue
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Surface-mount type switching power supply unit and mounting method...
    • Publication number 20020057158
    • Publication date May 16, 2002
    • Murata Manufacturing Co., Ltd.
    • Tadahiko Matsumoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Coil device and switching power supply apparatus using the same
    • Publication number 20010020886
    • Publication date Sep 13, 2001
    • Murata Manufacturing Co., Ltd.
    • Tadahiko Matsumoto
    • H01 - BASIC ELECTRIC ELEMENTS