Patents by Inventor Hyung Joon RYU

Hyung Joon RYU 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).

  • APPARATUS AND METHOD FOR MANUFACTURING MICRONEEDLE PATCH USING ELECTROHYDRODYNAMIC PRINTING
    Publication number: 20230137929
    Abstract: An apparatus and method for manufacturing microneedle using electrohydrodynamic printing are provided. The apparatus includes a substrate on which a printed microneedle is placed, a nozzle unit receiving a base material, which is a biocompatible material, as ink and discharging the ink to the substrate, a power unit supplying power to the nozzle unit, and a controller controlling the power unit so that the ink is dropped from the nozzle unit.
    Type: Application
    Filed: December 27, 2022
    Publication date: May 4, 2023
    Applicant: FEROKA INC.
    Inventors: In Duk LEE, Yeo Myung LIM, Yi Seul JEON, Hyung Joon RYU, Jae Joon LEE, Jin Geun PARK, Seo Won LEE