TREA

Atsushi Sugahara

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  • Kokubunji, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wire for electric railways
    • Patent number 5,705,125
    • Issue date Jan 6, 1998
    • Mitsubishi Materials Corporation
    • Motoo Goto
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for producing wire for electric railways
    • Patent number 5,391,243
    • Issue date Feb 21, 1995
    • Mitsubishi Materials Corporation
    • Motoo Goto
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...