TREA

Toshio Otaka

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rolling-piston expander apparatus
    • Patent number 5,775,883
    • Issue date Jul 7, 1998
    • Kabushiki Kaisha Toshiba
    • Hitoshi Hattori
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air conditioner
    • Patent number 5,385,030
    • Issue date Jan 31, 1995
    • Kabushiki Kaisha Toshiba
    • Koichi Kitagawa
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...