Patents by Inventor Sung Yun RYU

Sung Yun RYU 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: 12260893
    Abstract: The disclosure relates to a semiconductor memory device including a semiconductor memory module and a semiconductor memory control unit, and since the semiconductor memory module includes a power management unit, and the power management unit generates a reference voltage and various internal voltages to be supplied to a dynamic random access memory (DRAM) chip array, and receives the internal voltages supplied to the DRAM chip array by feedback to measure and compensate the internal voltages, a stable and accurate voltage can be supplied to the DRAM chip array.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: March 25, 2025
    Inventors: Sung Yun Ryu, Sang Seok Kang
  • Publication number: 20230298658
    Abstract: The disclosure relates to a semiconductor memory device including a semiconductor memory module and a semiconductor memory control unit, and since the semiconductor memory module includes a power management unit, and the power management unit generates a reference voltage and various internal voltages to be supplied to a dynamic random access memory (DRAM) chip array, and receives the internal voltages supplied to the DRAM chip array by feedback to measure and compensate the internal voltages, a stable and accurate voltage can be supplied to the DRAM chip array.
    Type: Application
    Filed: November 22, 2021
    Publication date: September 21, 2023
    Inventors: Sung Yun RYU, Sang Seok KANG