TREA

Ryo Den

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  • Hyogo-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for air separation
    • Patent number 6,295,837
    • Issue date Oct 2, 2001
    • L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
    • Ryo Den
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Ultra high purity nitrogen and oxygen generator unit
    • Patent number 5,743,112
    • Issue date Apr 28, 1998
    • Teisan Kabushiki Kaisha
    • Takao Yamamoto
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...