Patents by Inventor Si-jung KIM

Si-jung KIM 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).

  • Polyethylene and its chlorinated polyethylene
    Patent number: 12006378
    Abstract: There are provided a polyethylene capable of improving tensile strength while maintaining excellent processability and Mooney viscosity characteristics when preparing a chlorinated polyethylene compound by implementing a molecular structure having a low content of low molecular weight and a high content of high molecular weight, and a chlorinated polyethylene prepared using the same.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: June 11, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Cheolhwan Jeong, Si Jung Lee, Sun Mi Kim, Ue Ryung Seo, Yi Young Choi, Bog Ki Hong
  • Hybrid supported catalyst and method of preparing polyolefin using the same
    Patent number: 11993665
    Abstract: Provided are a hybrid supported catalyst which includes two or more kinds of transition metal compounds having the following Chemical Formulas 1 and 2, thereby preparing a polyolefin, particularly, a high-density polyethylene having a molecular structure which is optimized to improve tensile strength of a chlorinated polyolefin compound, and a method of preparing a polyolefin using the same: wherein all the variables are described herein.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: May 28, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Sun Mi Kim, Ue Ryung Seo, Bog Ki Hong, Eun Kyoung Song, Daesik Hong, Si Jung Lee, Cheolhwan Jeong, Kiju Um
  • Electronic device and method for manufacturing electronic device
    Patent number: 11930647
    Abstract: An electronic device includes a semiconductor memory including material layers each including one or more low-resistance areas and one or more high-resistance areas, insulating layers stacked alternately with the material layers and including protrusions extending more than the material layers, conductive pillars passing through the insulating layers and the low-resistance areas, conductive layers located between the protrusions, and variable resistance layers interposed between the low-resistance areas and the conductive layers.
    Type: Grant
    Filed: August 1, 2022
    Date of Patent: March 12, 2024
    Assignee: SK hynix Inc.
    Inventors: Si Jung Yoo, Tae Hoon Kim, Hyung Dong Lee
  • SUPER-RESOLUTION VIDEO PROCESSING METHOD AND SYSTEM FOR EFFECTIVE VIDEO COMPRESSION
    Publication number: 20240029202
    Abstract: A super-resolution video processing method and system for effective video compression can include receiving a low-resolution training video and training a neural network using a video, which is output by applying the low-resolution training video to the neural network and differentiable units included in a video encoding module, and a high-resolution training video to convert a low-resolution video into a high-resolution video.
    Type: Application
    Filed: November 14, 2022
    Publication date: January 25, 2024
    Inventors: Si-jung KIM, Joo Han KIM, Ung Won LEE, Min Yong JEON