Patents by Inventor HONG-SUN HWAN

HONG-SUN HWAN 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).

  • Semiconductor memory device storing memory characteristic information, memory module and memory system having the same, and operating method thereof
    Patent number: 9058897
    Abstract: A semiconductor memory device includes a cell array including a plurality of regions accessed by first addresses, where the plurality of regions including at least two groups of regions having respectively different memory characteristics. The device further includes a nonvolatile array for nonvolatile storage of group information indicative of which of the least two groups each of the plurality of regions belongs.
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: June 16, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hak-Soo Yu, Joo-Sun Choi, Hong-Sun Hwan
  • SEMICONDUCTOR MEMORY DEVICE STORING MEMORY CHARACTERISTIC INFORMATION, MEMORY MODULE AND MEMORY SYSTEM HAVING THE SAME, AND OPERATING METHOD THEREOF
    Publication number: 20130170274
    Abstract: A semiconductor memory device includes a cell array including a plurality of regions accessed by first addresses, where the plurality of regions including at least two groups of regions having respectively different memory characteristics. The device further includes a nonvolatile array for nonvolatile storage of group information indicative of which of the least two groups each of the plurality of regions belongs.
    Type: Application
    Filed: November 6, 2012
    Publication date: July 4, 2013
    Inventors: HAK-SOO YU, JOO-SUN CHOI, HONG-SUN HWAN