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Jianfei Yao

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  • Beijing, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
    • Publication number 20240032417
    • Publication date Jan 25, 2024
    • BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    • Feng Li
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
    • Publication number 20240016057
    • Publication date Jan 11, 2024
    • BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    • Feng Li
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT DEVICE
    • Publication number 20230309394
    • Publication date Sep 28, 2023
    • BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    • Chi Yuen Raymond KWONG
  • Information Patent Application

    HETEROCYCLIC COMPOUND HAVING CYANO-SUBSTITUTION
    • Publication number 20230167097
    • Publication date Jun 1, 2023
    • BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    • Feng Li
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT DEVICE
    • Publication number 20230165021
    • Publication date May 25, 2023
    • BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    • Hongbo Li
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTROLUMINESCENT DEVICE
    • Publication number 20220328773
    • Publication date Oct 13, 2022
    • BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    • Yang WANG
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT DEVICE
    • Publication number 20220231232
    • Publication date Jul 21, 2022
    • BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    • Qiang Wang
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
    • Publication number 20220213116
    • Publication date Jul 7, 2022
    • BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    • Feng Li
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT DEVICE
    • Publication number 20220199916
    • Publication date Jun 23, 2022
    • BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    • Chi Yuen Raymond Kwong
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
    • Publication number 20220194956
    • Publication date Jun 23, 2022
    • BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    • Feng Li
    • H01 - BASIC ELECTRIC ELEMENTS