TREA

Akibumi Negishi

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cermet alloy and process for its production
    • Patent number 5,348,806
    • Issue date Sep 20, 1994
    • Hitachi Metals, Ltd.
    • Katsuhiko Kojo
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Cermet alloy and process for its production
    • Patent number 5,149,595
    • Issue date Sep 22, 1992
    • Hitachi Metals Ltd.
    • Katsuhiko Kojo
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...