TREA

Makoto Kobiyama

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  • Niigata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Grid-like guard for the front of a portable heater
    • Patent number D291726
    • Issue date Sep 1, 1987
    • Toshiba Heating Appliances Co., Ltd.
    • Nobuyuki Kojima
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Portable heating unit
    • Patent number 4,653,464
    • Issue date Mar 31, 1987
    • Toshiba Heating Appliances Co., Ltd.
    • Nobuyuki Kojima
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heating chamber for a portable heater
    • Patent number D287752
    • Issue date Jan 13, 1987
    • Toshiba Heating Appliances Co., Ltd.
    • Nobuyuki Kojima
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Oilstove
    • Patent number D285335
    • Issue date Aug 26, 1986
    • Toshiba Heating Appliances Co., Ltd.
    • Nobuyuki Kojima
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Oilstove
    • Patent number D283727
    • Issue date May 6, 1986
    • Toshiba Heating Appliances Co., Ltd.
    • Nobuyuki Kojima
    • D23 - Environmental heating and cooling