TREA

Akira Hatakeyama

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  • Gunma-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Absorption refrigerating machine
    • Patent number 6,993,933
    • Issue date Feb 7, 2006
    • Sanyo Electric Co., LTD
    • Haruki Nishimoto
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air conditioning system
    • Patent number 6,220,341
    • Issue date Apr 24, 2001
    • Sanyo Electric Co., Ltd.
    • Masashi Izumi
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Air conditioning system
    • Patent number 5,966,954
    • Issue date Oct 19, 1999
    • Sanyo Electronic Co., Ltd.
    • Hidetoshi Arima
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air conditioning system
    • Patent number 5,907,956
    • Issue date Jun 1, 1999
    • Sanyo Electric Co., Ltd.
    • Hidetoshi Arima
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

  • Information Patent Application

    Absorption refrigerating machine
    • Publication number 20050016205
    • Publication date Jan 27, 2005
    • Haruki Nishimoto
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...