Patents by Inventor Ranran Duan

Ranran Duan 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).

  • WIRELESS TRANSMITTER, WIRELESS RECEIVER, AND SYSTEM
    Publication number: 20210226479
    Abstract: A wireless transmitter, a wireless receiver and a system are disclosed. The wireless transmitter includes a first upper housing; a first lower housing, wherein the first lower housing and the first upper housing are arranged opposite to each other to form a cavity; an antenna arranged on a side surface of the first upper housing; a processor circuit board arranged in the cavity, where the processor circuit board includes a UWB high-frequency transceiver module and a processor arranged on the processor circuit board.
    Type: Application
    Filed: January 11, 2021
    Publication date: July 22, 2021
    Inventor: Ranran Duan
  • Massager
    Patent number: D873432
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: January 21, 2020
    Inventor: Ranran Duan