TREA

Sumiyoshi Takeda

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  • Shimizu, JP
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Patents Grantslast 30 patents

  • 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 4,365,667
    • Issue date Dec 28, 1982
    • Hitachi, Ltd.
    • Toshio Hatada
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Cross-fin tube type heat exchanger
    • Patent number 4,300,629
    • Issue date Nov 17, 1981
    • Hitachi, Ltd.
    • Toshio Hatada
    • F28 - HEAT EXCHANGE IN GENERAL