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Hiroko Nakamura

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  • Takatsuki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing a corrosion resistant permanent magnet
    • Patent number 4,968,529
    • Issue date Nov 6, 1990
    • Sumitomo Special Metals Co., Ltd.
    • Atsushi Hamamura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Corrosion resistant permanent magnet
    • Patent number 4,942,098
    • Issue date Jul 17, 1990
    • Sumitomo Special Metals, Co., Ltd.
    • Atsushi Hamamura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...