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Kazuaki Okamoto

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Converter device having power factor improving circuit
    • Patent number 6,917,185
    • Issue date Jul 12, 2005
    • Mitisubishi Denki Kabushiki Kaisha
    • Kazuaki Okamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Semiconductor device
    • Patent number 6,774,674
    • Issue date Aug 10, 2004
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuaki Okamoto
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Converter device having power factor improving circuit
    • Publication number 20040178784
    • Publication date Sep 16, 2004
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuaki Okamoto
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Semiconductor device
    • Publication number 20030016054
    • Publication date Jan 23, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuaki Okamoto
    • H03 - BASIC ELECTRONIC CIRCUITRY