TREA

Norihito Yamao

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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat-resistant alloy wire
    • Patent number 6,478,897
    • Issue date Nov 12, 2002
    • Sumitomo Electric Engineering, Ltd.
    • Hiromu Izumida
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Process for finishing steelwire
    • Patent number 5,904,830
    • Issue date May 18, 1999
    • Sumitomo Electric Industries, Ltd.
    • Norihito Yamao
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents