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Kiyotado Yasuhara

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Aluminum surface cleaning agent
    • Patent number 4,886,616
    • Issue date Dec 12, 1989
    • Amchem Products, Inc.
    • Katsuyoshi Yamasoe
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Aluminum surface cleaning agent
    • Patent number 4,728,456
    • Issue date Mar 1, 1988
    • Amchem Products, Inc.
    • Katsuyoshi Yamasoe
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...