TREA

Koutarou Nonomura

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  • Kunitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for dyeing zinc and zinc alloys
    • Patent number 4,314,859
    • Issue date Feb 9, 1982
    • Mitsui Mining & Smelting Co., Ltd.
    • Nobuyoshi Kasahara
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Process for dyeing zinc and zinc alloys
    • Patent number 4,238,250
    • Issue date Dec 9, 1980
    • Mitsui Mining & Smelting Co., Ltd.
    • Nobuyoshi Kasahara
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...