Patents by Inventor Xian-Bang Xie

Xian-Bang Xie has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Headphone
    Patent number: D912643
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: March 9, 2021
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., INC.
    Inventors: Yasuhiko Nakayama, Tomoya Takahashi, Takayuki Karasawa, Haruhiko Nishizawa, Xian-Bang Xie, Gui-Feng Li