Patents by Inventor Dong Geun Yu

Dong Geun Yu 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).

  • Patent number: 8646318
    Abstract: A leak sensor apparatus for sensing moisture is disclosed, which is prepared in such a manner that a base film layer, a conductive line layer and a protection film layer are sequentially stacked on its lower surface in an upward direction, and said conductive line layer includes a resistance line having a certain resistance value per unit area in a longitudinal direction, and a conductive line which is spaced apart from the resistance line and is formed in parallel with respect to the resistance line, and said protection film layer is provided with a plurality of holes which are formed at regular intervals so that the resistance line and the conductive line of the conductive line layer can be exposed to the outside through the holes, respectively.
    Type: Grant
    Filed: January 2, 2009
    Date of Patent: February 11, 2014
    Assignee: Yumin System Technology Co., Ltd.
    Inventors: Dong Geun Yu, Hong Geun Yu
  • Publication number: 20090173143
    Abstract: A leak sensor apparatus for sensing moisture is disclosed, which is prepared in such a manner that a base film layer, a conductive line layer and a protection film layer are sequentially stacked on its lower surface in an upward direction, and said conductive line layer includes a resistance line having a certain resistance value per unit area in a longitudinal direction, and a conductive line which is spaced apart from the resistance line and is formed in parallel with respect to the resistance line, and said protection film layer is provided with a plurality of holes which are formed at regular intervals so that the resistance line and the conductive line of the conductive line layer can be exposed to the outside through the holes, respectively.
    Type: Application
    Filed: January 2, 2009
    Publication date: July 9, 2009
    Applicant: YUMIN System Technology Co., Ltd.
    Inventors: Dong Geun Yu, Hong Geun Yu