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Akihiko Sugiyama

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Patents Grantslast 30 patents

  • Information Patent Grant

    Indoor unit for an air-conditioning apparatus
    • Patent number 5,664,428
    • Issue date Sep 9, 1997
    • Kabushiki Kaisha Toshiba
    • Akihiko Sugiyama
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air-conditioning apparatus with an indoor unit incorporating a comp...
    • Patent number 5,632,155
    • Issue date May 27, 1997
    • Kabushiki Kaisha Toshiba
    • Akihiko Sugiyama
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Fluid compressor with selector valve
    • Patent number 5,547,344
    • Issue date Aug 20, 1996
    • Kabushiki Kaisha Toshiba
    • Akihiko Sugiyama
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air-conditioning system
    • Patent number 5,092,396
    • Issue date Mar 3, 1992
    • Kabushiki Kaisha Toshiba
    • Mitsuo Murano
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air conditioner
    • Patent number 5,060,717
    • Issue date Oct 29, 1991
    • Kabushiki Kaisha Toshiba
    • Keiichi Morita
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air-conditioning apparatus
    • Patent number 4,896,514
    • Issue date Jan 30, 1990
    • Kabushiki Kaisha Toshiba
    • Akihiko Sugiyama
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air conditioner
    • Patent number 4,495,779
    • Issue date Jan 29, 1985
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Tatsuo Tanaka
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air conditioning apparatus
    • Patent number 4,484,454
    • Issue date Nov 27, 1984
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Akihiko Sugiyama
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...