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Norihiro Kawagishi

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dropper-type regulator
    • Patent number 8,120,338
    • Issue date Feb 21, 2012
    • Oki Semiconductor Co., Ltd.
    • Norihiro Kawagishi
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Drive circuit
    • Patent number 8,058,854
    • Issue date Nov 15, 2011
    • Oki Semiconductor Co., Ltd.
    • Norihiro Kawagishi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    DC-DC Converter
    • Patent number 7,859,242
    • Issue date Dec 28, 2010
    • Oki Semiconductor Co., Ltd.
    • Norihiro Kawagishi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Load drive circuit
    • Patent number 7,741,884
    • Issue date Jun 22, 2010
    • Oki Semiconductor Co., Ltd.
    • Norihiro Kawagishi
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    OVERCURRENT DETECTING CIRCUIT AND POWER SUPPLY DEVICE
    • Publication number 20100237897
    • Publication date Sep 23, 2010
    • Hiroyuki Kikuta
    • G01 - MEASURING TESTING
  • Information Patent Application

    OVERCURRENT DETECTING CIRCUIT AND POWER SUPPLY DEVICE
    • Publication number 20100237898
    • Publication date Sep 23, 2010
    • Hiroyuki Kikuta
    • G01 - MEASURING TESTING
  • Information Patent Application

    DRIVING CIRCUIT FOR BRUSHLESS MOTOR USING HALL ELEMENT
    • Publication number 20100237818
    • Publication date Sep 23, 2010
    • Oki Semiconductor Co., Ltd.
    • Yuichi Ohkubo
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DRIVE CIRCUIT
    • Publication number 20090184603
    • Publication date Jul 23, 2009
    • Oki Semiconductor Co., Ltd.
    • Norihiro KAWAGISHI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DC-DC CONVERTER
    • Publication number 20090160416
    • Publication date Jun 25, 2009
    • Oki Semiconductor Co., Ltd.
    • Norihiro Kawagishi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DC-DC CONVERTER
    • Publication number 20090160418
    • Publication date Jun 25, 2009
    • Oki Semiconductor Co., Ltd.
    • Norihiro Kawagishi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    LOAD DRIVE CIRCUIT
    • Publication number 20090153200
    • Publication date Jun 18, 2009
    • Oki Semiconductor Co., Ltd.
    • Norihiro KAWAGISHI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DROPPER-TYPE REGULATOR
    • Publication number 20090153122
    • Publication date Jun 18, 2009
    • Norihiro KAWAGISHI
    • G05 - CONTROLLING REGULATING