TREA

Noriaki Yamada

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  • Shimizu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Inverter device
    • Patent number 7,181,923
    • Issue date Feb 27, 2007
    • Hitachi, Ltd.
    • Yoshiaki Kurita
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerating apparatus and an inverter device used therein
    • Patent number 6,735,968
    • Issue date May 18, 2004
    • Hitachi, Ltd.
    • Yoshiaki Kurita
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Driving device for synchronous motor
    • Patent number 6,639,377
    • Issue date Oct 28, 2003
    • Hitachi, Ltd.
    • Yoshitaka Iwaji
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Refrigerating apparatus and inverter device
    • Publication number 20050204760
    • Publication date Sep 22, 2005
    • Yoshiaki Kurita
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Inverter device
    • Publication number 20040194486
    • Publication date Oct 7, 2004
    • Yoshiaki Kurita
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Refrigerating apparatus and an inverter device used therein
    • Publication number 20030182956
    • Publication date Oct 2, 2003
    • Yoshiaki Kurita
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Driving device for synchronous motor
    • Publication number 20020153857
    • Publication date Oct 24, 2002
    • Hitachi, Ltd.
    • Yoshitaka Iwaji
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER