Patents by Inventor Youngun YUN

Youngun YUN 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).

  • LIQUID CHEMICAL SUPPLY APPARATUS AND LIQUID CHEMICAL SUPPLY SYSTEM
    Publication number: 20230314951
    Abstract: A liquid chemical supply apparatus for supplying a liquid chemical to a plurality of substrate processing apparatuses disposed at different heights includes a pump for providing a hydraulic pressure for moving the liquid chemical to the substrate processing apparatuses, a plurality of liquid chemical supply lines having ends connected to the pump and other ends separately connected to the substrate processing apparatuses, to provide passages through which the liquid chemical moves, and a pump vent line connected to the pump to discharge some of the liquid chemical to outside, wherein flow rate calibration lines are connected between the liquid chemical supply lines and the pump vent line.
    Type: Application
    Filed: March 6, 2023
    Publication date: October 5, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Young Jun SON, Woo Sin JUNG, Youngun YUN, Jung Suk GOH
  • SNS BASED AUTO SCHEDULE MANAGEMENT SERVICE SYSTEM
    Publication number: 20140188539
    Abstract: Disclosed is an SNS based auto schedule management service system that detects and extracts event information from SNS messages and records corresponding events in a personal schedule management system.
    Type: Application
    Filed: August 13, 2013
    Publication date: July 3, 2014
    Applicant: KAIST (Korea Advanced Institute of Science and Technology)
    Inventors: Key Sun CHOI, Youngun YUN, Young Gyun HAHM, Kyung Tae LIM