Patents Assigned to HANGZHOU SIJUNSI TECHNOLOGY CO., LTD
  • LED filament
    Patent number: D1018258
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: March 19, 2024
    Assignee: HANGZHOU SIJUNSI TECHNOLOGY CO., LTD
    Inventors: Tiehan Ge, Yong Wang, Junya Ge