Patents Assigned to Shen Zhen Ocen Technology Co. Ltd
  • Earphone
    Patent number: D921615
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: June 8, 2021
    Assignee: Shen Zhen Ocen Technology Co. Ltd
    Inventor: Zhijun Wu
  • Earphone
    Patent number: D963614
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: September 13, 2022
    Assignee: Shen Zhen Ocen Technology Co. Ltd
    Inventor: Zhijun Wu
  • Earphone
    Patent number: D985542
    Type: Grant
    Filed: November 4, 2022
    Date of Patent: May 9, 2023
    Assignee: SHEN ZHEN OCEN TECHNOLOGY CO. LTD
    Inventor: Zhijun Wu
  • Earphone
    Patent number: D986860
    Type: Grant
    Filed: November 4, 2022
    Date of Patent: May 23, 2023
    Assignee: SHEN ZHEN OCEN TECHNOLOGY CO. LTD
    Inventor: Zhijun Wu