Patents by Inventor Kyu Sang Youn

Kyu Sang Youn 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).

  • HEAD CLEANING UNIT AND SUBSTRATE TREATING APPARATUS
    Publication number: 20220040982
    Abstract: Disclosed is an inkjet head cleaning unit including a body, an ejection unit formed in the body, and that ejects a cleaning fluid for cleaning a nozzle surface of a head, a suction unit formed in the body, and that suctions the cleaning fluid used for cleaning the nozzle surface of the head and foreign substances separated from the nozzle surface of the head, and a central body provided between the ejection unit and the suction unit, and height of the central body is adjusted in a vertical direction.
    Type: Application
    Filed: August 5, 2021
    Publication date: February 10, 2022
    Inventors: Jae Hyun You, Kyu Sang Youn, Bong Hwan Park