TREA

Xinfang Hao

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Organic light emitting material
    • Patent number 12,245,497
    • Issue date Mar 4, 2025
    • Beijing Summer Sprout Technology Co., Ltd.
    • Renmao Liu
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    ORGANIC LIGHT EMITTING MATERIAL
    • Publication number 20210380618
    • Publication date Dec 9, 2021
    • BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    • Qi ZHANG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ORGANIC LIGHT EMITTING MATERIAL
    • Publication number 20210242411
    • Publication date Aug 5, 2021
    • BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    • Renmao Liu
    • H01 - BASIC ELECTRIC ELEMENTS