Hiroto Yonekura

Person

  • Ikedanakamachi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Phosphating process of metal surface

    • Patent number 4,419,147
    • Issue date Dec 6, 1983
    • Amchem Products, Inc.
    • Ryoichi Murakami
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Phosphating process of metal surface

    • Patent number 4,292,096
    • Issue date Sep 29, 1981
    • Nippon Paint Co., Ltd.
    • Ryoichi Murakami
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...