Patents by Inventor Jiajia TIAN

Jiajia TIAN 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).

  • Publication number: 20220384136
    Abstract: The present disclosure provides a cathode emission device. The cathode emission device may comprise a cathode assembly, including: a first filament, a second filament, and a grid electrode. The grid electrode may be operably connected to the first filament and surrounding the first filament and the second filament. The cathode assembly may be configured to be operably connected to a high-voltage generator and switchable between a first connection configuration and a second connection configuration.
    Type: Application
    Filed: May 30, 2022
    Publication date: December 1, 2022
    Applicant: WUHAN UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Xiang XU, Jiajia TIAN, Qi ZHANG