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Da Song

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  • Loudonville, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Selective etching of silicon wafer
    • Patent number 11,322,361
    • Issue date May 3, 2022
    • International Business Machines Corporation
    • Da Song
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Selective etching of silicon wafer
    • Patent number 9,378,966
    • Issue date Jun 28, 2016
    • International Business Machines Corporation
    • Brown C. Peethala
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    SELECTIVE ETCHING OF SILICON WAFER
    • Publication number 20190371615
    • Publication date Dec 5, 2019
    • International Business Machines Corporation
    • Da Song
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    SELECTIVE ETCHING OF SILICON WAFER
    • Publication number 20150357207
    • Publication date Dec 10, 2015
    • International Business Machines Corporation
    • Brown C. Peethala
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SELECTIVE ETCHING OF SILICON WAFER
    • Publication number 20150357197
    • Publication date Dec 10, 2015
    • International Business Machines Corporation
    • Brown C. Peethala
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...