TREA

Minoru Takagi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Refrigerating machine oil compositions
    • Patent number 6,878,677
    • Issue date Apr 12, 2005
    • Idemitsu Kosan Co., Ltd.
    • Shuichi Sakanoue
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Refrigerating machine oil composition
    • Patent number 6,656,891
    • Issue date Dec 2, 2003
    • Idemitsu Kosan Co., Ltd.
    • Shuichi Sakanoue
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Refrigerating machine oil composition
    • Patent number 4,983,313
    • Issue date Jan 8, 1991
    • Idemitsu Kosan Co., Ltd.
    • Masato Kaneko
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...