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Yoshihiro Takeshima

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Patents Grantslast 30 patents

  • Information Patent Grant

    Switching power supply
    • Patent number 7,400,519
    • Issue date Jul 15, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Koji Yoshida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply apparatus and electronic device using the same
    • Patent number 7,351,931
    • Issue date Apr 1, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Koji Yoshida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power module and production method thereof
    • Patent number 7,057,896
    • Issue date Jun 6, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Mitsuhiro Matsuo
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Switching power supply device
    • Patent number 6,972,656
    • Issue date Dec 6, 2005
    • Matsushita Electric Industrial Co., Ltd.
    • Yoshihiro Takeshima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply
    • Patent number 6,970,367
    • Issue date Nov 29, 2005
    • Matsushita Electric Industrial Co., Ltd.
    • Yoshihiro Takeshima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents