Patents by Inventor Jieyu Cai

Jieyu Cai 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).

  • Bluetooth adapter
    Patent number: D951899
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: May 17, 2022
    Assignee: Beijing Hai Yi Tong Zhan Information Technology Co., Ltd.
    Inventors: Jieyu Cai, Lihua Cui, Xiujun Yao