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Masahiro Naruo

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Patents Grantslast 30 patents

  • Information Patent Grant

    Power source device
    • Patent number 6,324,078
    • Issue date Nov 27, 2001
    • Matsushita Electric Works, Ltd.
    • Masahiro Naruo
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Discharge lamp lighting device
    • Patent number 6,246,181
    • Issue date Jun 12, 2001
    • Matsushita Electric Works, Ltd.
    • Masahiro Naruo
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electronic ballast for discharge lamps
    • Patent number 5,920,155
    • Issue date Jul 6, 1999
    • Matsushita Electric Works, Ltd.
    • Takashi Kanda
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Discharge lamp with two voltage levels
    • Patent number 5,804,924
    • Issue date Sep 8, 1998
    • Matsushita Electric Works, Ltd.
    • Masahito Ohnishi
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power converter apparatus for a discharge lamp
    • Patent number 5,761,058
    • Issue date Jun 2, 1998
    • Matsushita Electric Works, Ltd.
    • Takashi Kanda
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power supply apparatus
    • Patent number 5,627,741
    • Issue date May 6, 1997
    • Matsushita Electric Works, Ltd.
    • Masahiro Naruo
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power source device
    • Patent number 5,587,894
    • Issue date Dec 24, 1996
    • Matsushita Electric Works, Ltd.
    • Masahiro Naruo
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER