Patents by Inventor Yi Seul JEON

Yi Seul JEON 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: 20230372688
    Abstract: This application relates to a microneedle (or micro-needle) patch. In one aspect, the microneedle patch includes a base and a microneedle. The microneedle may protrude from a surface of the base, and includes a plurality of layers. The microneedle may also have curvatures in a region where the layers are in contact with each other.
    Type: Application
    Filed: October 25, 2021
    Publication date: November 23, 2023
    Inventors: Jae Joon LEE, Yi Seul JEON
  • Publication number: 20230364401
    Abstract: This application relates to a microneedle patch, a method of manufacturing a microneedle patch, and an apparatus for manufacturing a microneedle patch. In one aspect, the method includes filling a mold having a plurality of needle grooves with a base material and creating a subatmospheric pressure in the mold. The method may also include rotating the mold about a rotation axis and drying the base material filled in the needle grooves.
    Type: Application
    Filed: October 25, 2021
    Publication date: November 16, 2023
    Inventors: Jae Joon LEE, Yi Seul JEON
  • Publication number: 20230310821
    Abstract: This application relates to a microneedle (or micro-needle) patch. In one aspect, the microneedle patch includes a base, and a microneedle. The microneedle patch may be disposed on a surface of the base. The microneedle patch may also include a base material, an effective material, and an activity promoting material.
    Type: Application
    Filed: October 25, 2021
    Publication date: October 5, 2023
    Inventors: Jae Joon LEE, Yi Seul JEON
  • Publication number: 20230302265
    Abstract: This application relates to a microneedle patch and a method of manufacturing the microneedle patch. In one aspect, the microneedle patch includes a base, and a microneedle. The microneedle may contains an effective material, and protrude from a surface of the base. The microneedle may also include a plurality of layers. A concentration of the effective material may vary along a longitudinal direction of the microneedle.
    Type: Application
    Filed: October 8, 2021
    Publication date: September 28, 2023
    Inventors: Jae Joon LEE, Yi Seul JEON
  • 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
  • Publication number: 20190031823
    Abstract: The present invention relates to a polyester resin composition and a molded article produced therefrom. The polyester resin composition includes: about 80 wt % to about 98 wt % of a polybutylene terephthalate resin; about 0.1 wt % to about 5 wt % of a carbodiimide-based compound; about 0.1 wt % to about 5 wt % of a nucleating agent; and about 0.5 wt % to about 15 wt % of an inorganic filler having a non-spherical or non-circular cross-section.
    Type: Application
    Filed: July 30, 2018
    Publication date: January 31, 2019
    Inventors: Seung Yeon LEE, Jong Su KIM, Jung Hwan LEE, Jung Won KIM, Yi Seul JEON, Min Cheol SHIN, Soo Min LEE