TREA

Toshio Ishizuka

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for catalyst replacement
    • Patent number 5,603,904
    • Issue date Feb 18, 1997
    • Chevron U.S.A. Inc.
    • Robert W. Bachtel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Apparatus for catalyst replacement
    • Patent number 5,527,512
    • Issue date Jun 18, 1996
    • Chevron U.S.A. Inc.
    • Robert W. Bachtel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL