Patents by Inventor SANWEI LIU

SANWEI LIU 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: 20210213264
    Abstract: A microneedle system includes an ingestible structure and one or more microneedle units secured to a surface of the structure. Each microneedle unit has a plurality of barb members extending from the outer surface of a microneedle. The microneedle unit is secured to the structure by a displacement member, which displaces the microneedle unit when in a released state. The displacement member may be held in a compressed state by a dissolvable coating.
    Type: Application
    Filed: January 14, 2021
    Publication date: July 15, 2021
    Inventors: SANWEI LIU, SANGWOOK CHU, REZA GHODSSI, LUKE BEARDSLEE, ASHLEY AUGUSTINY CHAPIN