TREA

Osamu Ishikawa

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Discharge lamp lighting apparatus
    • Patent number 6,429,603
    • Issue date Aug 6, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiko Tsugita
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Discharge lamp operating device
    • Patent number 6,181,087
    • Issue date Jan 30, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Takahisa Hamaguchi
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Dimming apparatus for fluorescent lamps
    • Patent number 6,133,697
    • Issue date Oct 17, 2000
    • Mitsubishi Denki Kabushiki Kaisha
    • Satoshi Nagai
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR