Patents by Inventor Jiechen Chen

Jiechen Chen 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).

  • CONVENIENT BONE GRAFT INJECTOR FOR ARTIFICIAL OR ALLOGENEIC BONE
    Publication number: 20250281306
    Abstract: A convenient bone graft injector for artificial or allogeneic bone includes: a body, an injection tube, a locking device, and an injection device. The locking device is used to detachably lock one end of the injection tube to the body. The injection device includes a push rod, an injection elastic member, and a locking and releasing mechanism arranged on the body. The injection elastic member acts between one end of the push rod and the body, and the injection elastic member is configured to provide an elastic push to the push rod, such that the other end of the push rod extends into the end of the injection tube locked to the body and moves towards the other end of the injection tube. The locking and releasing mechanism acts between the push rod and the body, and is configured to lock and release the push rod.
    Type: Application
    Filed: February 18, 2025
    Publication date: September 11, 2025
    Applicant: The First Affiliated Hospital of Shantou University Medical College
    Inventors: Jun HU, Shaoke CHEN, Jiankun XU, Hongjiang CHEN, Jiechen CHEN
  • Antenna system for a portable device
    Patent number: 11539123
    Abstract: There is disclosed an antenna system comprising: i) first and second antennas, the second antenna being disposed laterally from the first along a longitudinal axis, and ii) an isolation structure disposed between the first and second antennas. The isolation structure comprises a first resonator element having a first arm with upper and lower ends, the first arm connected to ground at its lower end, and a lateral second arm connected to the upper end of the first arm. At least a portion of the first resonator element is disposed adjacent to a portion of the first antenna such that the first resonator element is strongly coupled to the first antenna.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: December 27, 2022
    Assignee: Novocomms Ltd
    Inventors: Sampson Hu, Qing Liu, Jinsong Song, Jiechen Chen
  • AN ANTENNA SYSTEM FOR A PORTABLE DEVICE
    Publication number: 20190214721
    Abstract: There is disclosed an antenna system comprising: i) first and second antennas, the second antenna being disposed laterally from the first along a longitudinal axis, and ii) an isolation structure disposed between the first and second antennas. The isolation structure comprises a first resonator element having a first arm with upper and lower ends, the first arm connected to ground at its lower end, and a lateral second arm connected to the upper end of the first arm. At least a portion of the first resonator element is disposed adjacent to a portion of the first antenna such that the first resonator element is strongly coupled to the first antenna.
    Type: Application
    Filed: June 9, 2017
    Publication date: July 11, 2019
    Inventors: Sampson Hu, Qing Liu, Jinsong Song, Jiechen Chen