TREA

Masaru Hirosawa

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  • Sakae, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Refrigerator
    • Patent number 6,082,131
    • Issue date Jul 4, 2000
    • Hoshizaki Denki Co., Ltd.
    • Masaru Hirosawa
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerator with improved cold air supply structure
    • Patent number 6,014,868
    • Issue date Jan 18, 2000
    • Hoshizaki Denki Co., Ltd.
    • Masaru Hirosawa
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerator
    • Patent number 5,081,850
    • Issue date Jan 21, 1992
    • Hoshizaki Denki Kabushiki Kaisha
    • Yuji Wakatsuki
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerator
    • Patent number 5,027,615
    • Issue date Jul 2, 1991
    • Hoshizaki Denki Kabushiki Kaisha
    • Yuji Wakatsuki
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...