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Yannian Li

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  • Murrysville, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mesogen compounds
    • Patent number 11,781,070
    • Issue date Oct 10, 2023
    • Transitions Optical, Ltd.
    • Ramaiahgari Reddy
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Mesogen compounds
    • Patent number 11,773,326
    • Issue date Oct 3, 2023
    • Transitions Optical, Ltd.
    • Ramaiahgari Reddy
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    Mesogen Compounds
    • Publication number 20230295514
    • Publication date Sep 21, 2023
    • Transitions Optical, Ltd.
    • Yannian Li
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Mesogen Compounds
    • Publication number 20220275278
    • Publication date Sep 1, 2022
    • Transitions Optical, Ltd.
    • Ramaiahgari Reddy
    • G02 - OPTICS
  • Information Patent Application

    Mesogen Compounds
    • Publication number 20220049161
    • Publication date Feb 17, 2022
    • Transitions Optical, Ltd.
    • Ramaiahgari Reddy
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...