Patents by Inventor Yunji NAM

Yunji NAM 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).

  • Particle collection device and mask cleaning device having the same
    Patent number: 11590542
    Abstract: A particle collection device includes a collection sheet and a frame on which the collection sheet is mounted. The collection sheet includes a base sheet, a magnetic substance, and a metal protrusion disposed on the base sheet to be adjacent to the magnetic substance.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: February 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Hwan Ryu, Jiae Kim, Yunji Nam, Sun-Jin Song, In-Ja Han
  • PARTICLE COLLECTION DEVICE AND MASK CLEANING DEVICE HAVING THE SAME
    Publication number: 20210001382
    Abstract: A particle collection device includes a collection sheet and a frame on which the collection sheet is mounted. The collection sheet includes a base sheet, a magnetic substance, and a metal protrusion disposed on the base sheet to be adjacent to the magnetic substance.
    Type: Application
    Filed: July 1, 2020
    Publication date: January 7, 2021
    Inventors: Yong-Hwan RYU, Jiae KIM, Yunji NAM, Sun-Jin SONG, In-ja HAN