Patents by Inventor Junyuan Qin

Junyuan Qin 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).

  • Teeth-whitening equipment
    Patent number: D864399
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: October 22, 2019
    Assignee: Nanchang Dentalbright Technology Co., Ltd
    Inventors: Junyuan Qin, Yuanda Xiong
  • Tooth whitening apparatus
    Patent number: D867598
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: November 19, 2019
    Assignee: Nanchang Dental Bright Technology Co., Ltd.
    Inventors: Junyuan Qin, Xiaomin Zhong
  • Dental scaler
    Patent number: D958996
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: July 26, 2022
    Inventors: Junyuan Qin, Yuanda Xiong
  • Rechargeable lamp for oral cavity
    Patent number: D972147
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: December 6, 2022
    Inventors: Junyuan Qin, Yuanda Xiong
  • Electric toothbrush
    Patent number: D978537
    Type: Grant
    Filed: April 11, 2021
    Date of Patent: February 21, 2023
    Assignee: NANCHANG DENTALBRIGHT TECHNOLOGY CO., LTD
    Inventors: Junyuan Qin, Yuanda Xiong
  • Electric toothbrush
    Patent number: D996827
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: August 29, 2023
    Inventors: Junyuan Qin, Yuanda Xiong