Patents by Inventor Kwang-Sun Lee

Kwang-Sun Lee 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).

  • MEMORY CONTROLLER, STORAGE DEVICE INCLUDING THE MEMORY CONTROLLER, AND METHOD OF OPERATING THE MEMORY CONTROLLER AND THE STORAGE DEVICE
    Publication number: 20210318957
    Abstract: A memory controller includes a buffer memory configured to store first meta data and second meta data having a different type from the first meta data, and a cache memory including first and second dedicated areas. The first meta data is cached in the first dedicated area and the second meta data is cached in the second dedicated area.
    Type: Application
    Filed: March 9, 2021
    Publication date: October 14, 2021
    Inventors: Gi Jo JEONG, Do Hun KIM, Kwang Sun LEE
  • Method and device for protecting data of flash memory
    Patent number: 9455041
    Abstract: A method of protecting data of a flash memory is provided. The method includes detecting primary power applied to the flash memory, and applying secondary power converted from the primary power to the flash memory. The primary power is compared to first and second values, and a writing-protection pin of the flash memory is enabled when the detected primary power reaches a predetermined value.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: September 27, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Kwang-sun Lee
  • METHOD AND DEVICE FOR PROTECTING DATA OF FLASH MEMORY
    Publication number: 20150131377
    Abstract: A method of protecting data of a flash memory is provided. The method includes detecting primary power applied to the flash memory, and applying secondary power converted from the primary power to the flash memory. The primary power is compared to first and second values, and a writing-protection pin of the flash memory is enabled when the detected primary power reaches a predetermined value.
    Type: Application
    Filed: June 30, 2014
    Publication date: May 14, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Kwang-sun LEE
  • Controlled drug release system of retinoic acid
    Patent number: 6764698
    Abstract: The present invention relates to a controlled drug release system in which a certain ratio or retinoic acid is incorporated into a microsphere comprising biodegradable polymer and amphoteric block copolymer having both hydrophilic and hydrophobic groups.
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: July 20, 2004
    Assignees: Kwangju Institute of Science & Technology, Shin Poong Pharmaceutical Co., Ltd.
    Inventors: Young-Ro Byun, Sang-Yoon Kim, Sun-Hee Kim, Yong-Doo Choi, In-Suk Han, Kwang-Sun Lee, Chul-Hee Kim