TREA

Tiaki Umezawa

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  • Yokkaichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Catalyst for the production of nitriles
    • Patent number 5,472,925
    • Issue date Dec 5, 1995
    • Mitsubishi Chemical Corporation
    • Takashi Ushikubo
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for producing nitriles
    • Patent number 5,281,745
    • Issue date Jan 25, 1994
    • Mitsubishi Kasei Corporation
    • Takashi Ushikubo
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for producing nitriles
    • Patent number 5,231,214
    • Issue date Jul 27, 1993
    • Mitsubishi Kasei Corporation
    • Takashi Ushikubo
    • C07 - ORGANIC CHEMISTRY