Patents by Inventor Yongsoo Joo

Yongsoo Joo 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).

  • Tracking apparatus and method of I/O latency for storage devices
    Patent number: 11768532
    Abstract: An I/O latency tracking apparatus for storage devices includes: an I/O command generator generating an I/O command for a storage device; an I/O processor providing an I/O request to the storage device based on the I/O command and completing the I/O command by polling the storage device to check I/O completion after sleeping for a sleep time; and a sleep time adjustment unit adjusting the sleep time based on a sequence combination composed of two latest I/O sleep results among oversleep and undersleep results obtained during the polling process.
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: September 26, 2023
    Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventor: Yongsoo Joo
  • TRACKING APPARATUS AND METHOD OF I/O LATENCY FOR STORAGE DEVICES
    Publication number: 20230205303
    Abstract: An I/O latency tracking apparatus for storage devices includes: an I/O command generator generating an I/O command for a storage device; an I/O processor providing an I/O request to the storage device based on the I/O command and completing the I/O command by polling the storage device to check I/O completion after sleeping for a sleep time; and a sleep time adjustment unit adjusting the sleep time based on a sequence combination composed of two latest I/O sleep results among oversleep and undersleep results obtained during the polling process.
    Type: Application
    Filed: October 17, 2022
    Publication date: June 29, 2023
    Applicant: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventor: Yongsoo Joo
  • Memory system and method of managing a memory system
    Publication number: 20050081002
    Abstract: A method to reduce consumption of static and dynamic energy in a memory system. The method efficiently reduces dynamic and static energy consumed by the memory system by analyzing factors including characteristics of application programs, hardware performance, and the state of memory address buses, which may affect energy consumption, and by controlling a memory device based on the analysis.
    Type: Application
    Filed: October 13, 2004
    Publication date: April 14, 2005
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Naehyuck Chang, Hojun Shim, Yongsoo Joo, Yongseok Choi, Hyung Lee