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Patents Grantslast 30 patents

  • Information Patent Grant

    LED UV sterilization device
    • Patent number 11,878,085
    • Issue date Jan 23, 2024
    • SHANGHAI SANSI ELECTRONIC ENGINEERING CO. LTD.
    • Ming Chen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    LED driving circuit and LED lamp
    • Patent number 11,751,301
    • Issue date Sep 5, 2023
    • Shanghai Sansi Electronic Engineering Co, Ltd.
    • Ming Chen
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    LED UV STERILIZATION DEVICE
    • Publication number 20230126492
    • Publication date Apr 27, 2023
    • Shanghai Sansi Electronic Engineering Co. Ltd.
    • Ming CHEN
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    LED DRIVING CIRCUIT AND LED LAMP
    • Publication number 20220418061
    • Publication date Dec 29, 2022
    • Shanghai Sansi Electronic Engineering Co. Ltd.
    • Ming CHEN
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR