Patents by Inventor Chang Sik Mun

Chang Sik Mun 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: 20240074258
    Abstract: An electronic device includes a display device, which may be fabricated using a described method. The display device includes a glass substrate including a first surface, a second surface opposite the first surface, and a side surface between the first surface and the second surface, an outermost structure on the first surface of the glass substrate and located adjacent to an edge of one side of the glass substrate, and a display area including a plurality of light emitting areas on the first surface of the glass substrate and located farther from the edge of the one side of the glass substrate than the outermost structure is. A minimum distance from the side surface of the glass substrate to the outermost structure is equal to 130 ?m or less.
    Type: Application
    Filed: May 5, 2023
    Publication date: February 29, 2024
    Inventors: Wan Jung KIM, Dong Jo KIM, Sun Hwa KIM, Young Ji KIM, Chang Sik KIM, Kyung Ah NAM, Hyo Young MUN, Yong Seung PARK, Yi Seul UM, Dae Sang YUN, Kwan Hee LEE, So Young LEE, Young Hoon LEE, Young Seo CHOI, Sun Young KIM, Ji Won SOHN, Do Young LEE, Seung Hoon LEE
  • Patent number: 11912443
    Abstract: The present invention relates to a film wrapping machine for a product packing device using a stretch film, including a frame having vertical bars extending upward and spaced apart from each other, a film clamping unit including a pair of suction pads which are moved in a direction of being spaced apart from each other in a state of adsorbing the stretch film so that a front end portion of the stretch film supplied from a film supply device is opened, and a plurality of clamps configured to grip the front end portion of the stretch film opened by the suction pads, receive the stretch film whose upper end is cut and bonded by the film supply device in a wrinkled state, and process the stretch film to be covered on a product in a process of lowering the vertical bars, and a controller which controls operation of the film clamping unit and the film supply device.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: February 27, 2024
    Assignee: YULWON ENGINEERING CO., LTD.
    Inventors: Chang-Sik Mun, Young-Woo Park, Sung-Jin Kim
  • Publication number: 20220332450
    Abstract: The present invention relates to a film wrapping machine for a product packing device using a stretch film, including a frame having vertical bars extending upward and spaced apart from each other, a film clamping unit including a pair of suction pads which are moved in a direction of being spaced apart from each other in a state of adsorbing the stretch film so that a front end portion of the stretch film supplied from a film supply device is opened, and a plurality of clamps configured to grip the front end portion of the stretch film opened by the suction pads, receive the stretch film whose upper end is cut and bonded by the film supply device in a wrinkled state, and process the stretch film to be covered on a product in a process of lowering the vertical bars, and a controller which controls operation of the film clamping unit and the film supply device.
    Type: Application
    Filed: April 13, 2022
    Publication date: October 20, 2022
    Inventors: Chang-Sik MUN, Young-Woo PARK, Sung-Jin KIM
  • Publication number: 20170209693
    Abstract: Provided is a transcutaneous electrical nerve stimulation (TENS) apparatus, which includes an electric signal generator configured to generate an electrical stimulation signal, an electrode configured to transmit an electrical stimulation corresponding to the electrical stimulation signal generated by the electric signal generator to a user, and a connection unit configured to connect the electric signal generator to the electrode, wherein the electrode includes a pair of annular contact points for an electrical connection with the electric signal generator. Here, the connection unit may include magnetic material.
    Type: Application
    Filed: April 22, 2015
    Publication date: July 27, 2017
    Applicant: M.I.Tech Co., Ltd.
    Inventors: Soon Kwan An, Jeong U Lim, Chan Hee Kim, Sang Hyun Kim, Chang Sik Mun