TREA

Kazuhiro Hida

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switching amplifier
    • Patent number 7,224,217
    • Issue date May 29, 2007
    • Onkyo Corporation
    • Kazuhiro Hida
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Switching power supply
    • Patent number 6,912,140
    • Issue date Jun 28, 2005
    • Onkyo Corporation
    • Joji Kasai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Switching amplifier
    • Publication number 20050212592
    • Publication date Sep 29, 2005
    • Kazuhiro Hida
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Switching power supply
    • Publication number 20030198066
    • Publication date Oct 23, 2003
    • Joji Kasai
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC