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Ichiro Tanaka

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for purifying aluminum
    • Patent number 6,398,845
    • Issue date Jun 4, 2002
    • Sumitomo Chemical Company, Limited
    • Hiroshi Tabuchi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for producing high purity aluminum
    • Patent number 6,156,092
    • Issue date Dec 5, 2000
    • Sumitomo Chemical Company, Limited
    • Ichiro Tanaka
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for producing high purity aluminum
    • Patent number 6,156,095
    • Issue date Dec 5, 2000
    • Sumitomo Chemical Company, Limited
    • Ichiro Tanaka
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...