Patents by Inventor Xian-Wei Song

Xian-Wei Song 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).

  • Indoor positioning base station
    Patent number: D984445
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: April 25, 2023
    Assignees: Zhengzhou Wanmayun Electronic Technology CO., Ltd., HONGFUJIN PRECISION ELECTRONICS (ZHENGZHOU) CO., LTD.
    Inventors: Ting-Kang Ou, Xian-Wei Song, Shao-Bing Hou