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Masayuki Matsuyama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polishing liquid and polishing method
    • Patent number 11,339,309
    • Issue date May 24, 2022
    • Mitsui Mining & Smelting Co., Ltd.
    • Ken Matsuo
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    POLISHING LIQUID AND METHOD FOR PRODUCING POLISHED ARTICLE
    • Publication number 20200332163
    • Publication date Oct 22, 2020
    • Mitsui Mining and Smelting Co., Ltd.
    • Ken MATSUO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    POLISHING LIQUID AND POLISHING METHOD
    • Publication number 20190367776
    • Publication date Dec 5, 2019
    • Mitsui Mining and Smelting Co., Ltd.
    • Ken MATSUO
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    POLISHING SLURRY AND POLISHING MATERIAL
    • Publication number 20190010359
    • Publication date Jan 10, 2019
    • Mitsui Mining and Smelting Co., Ltd.
    • Masayuki MATSUYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    POLISHING SLURRY AND POLISHING METHOD THEREOF
    • Publication number 20140001153
    • Publication date Jan 2, 2014
    • Mitsui Mining and Smelting Co., Ltd.
    • Masayuki Matsuyama
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...