TREA

Naoki Shikazono

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  • Ibaraki-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ceiling embedded type indoor unit
    • Patent number 6,948,552
    • Issue date Sep 27, 2005
    • Hitachi, Ltd.
    • Shinichi Kosugi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heat exchanger and air conditioner using same
    • Patent number 6,050,328
    • Issue date Apr 18, 2000
    • Hitachi, Ltd.
    • Naoki Shikazono
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger
    • Patent number 5,803,165
    • Issue date Sep 8, 1998
    • Hitachi, Ltd.
    • Naoki Shikazono
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Ceiling embedded type indoor unit
    • Publication number 20040172962
    • Publication date Sep 9, 2004
    • Shinichi Kosugi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Ceiling embedded type indoor unit
    • Publication number 20020023455
    • Publication date Feb 28, 2002
    • Shinichi Kosugi
    • F24 - HEATING RANGES VENTILATING