Patents by Inventor Yeon-Jin Mo

Yeon-Jin Mo 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).

  • System with flash memory device and data recovery method thereof
    Patent number: 8028120
    Abstract: A method is for recovering a block mapping table in a system including a flash memory device, where the block mapping table utilizes address mapping in accordance with a wear-leveling scheme. The method includes reading block arrangement information from the flash memory device for the wear-leveling scheme, restoring the block mapping table with reference to allocation block information included in the block arrangement information and scanning address allocation information included in spare regions of erased blocks of the flash memory device with reference to erased block information included in the block arrangement information and updating the block mapping table in accordance with the scanned address allocation information.
    Type: Grant
    Filed: January 17, 2007
    Date of Patent: September 27, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeon-Jin Mo, Jang-Hwan Kim, Dong-Hyun Song, Shea-Yun Lee, Jae-Hyun Hwang, Myung-Jin Jung
  • Flash memory system and garbage collection method thereof
    Patent number: 7890550
    Abstract: Example embodiments provide a garbage collection method which includes applying a weight to each of at least two or more factors to calculate garbage collection costs. A hash table is configured using the calculated garbage collection costs. The method further includes searching a block having the lowest garbage collection cost from the hash table and performing garbage collection on the searched block.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: February 15, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Myung-Jin Jung, Jang-Hwan Kim, Dong-Hyun Song, Shea-Yun Lee, Yeon-Jin Mo, Jae-Hyun Hwang
  • Flash memory system and garbage collection method thereof
    Publication number: 20080109590
    Abstract: Example embodiments provide a garbage collection method which includes applying a weight to each of at least two or more factors to calculate garbage collection costs; configuring a hash table using the calculated garbage collection costs; searching a block having the lowest garbage collection cost from the hash table; and performing garbage collection on the searched block.
    Type: Application
    Filed: December 28, 2006
    Publication date: May 8, 2008
    Inventors: Myung-Jin Jung, Jang-Hwan Kim, Dong-Hyun Song, Shea-Yun Lee, Yeon-Jin Mo, Jae-Hyun Hwang
  • System with flash memory device and data recovery method thereof
    Publication number: 20080104308
    Abstract: A method is for recovering a block mapping table in a system including a flash memory device, where the block mapping table utilizes address mapping in accordance with a wear-leveling scheme. The method includes reading block arrangement information from the flash memory device for the wear-leveling scheme, restoring the block mapping table with reference to allocation block information included in the block arrangement information and scanning address allocation information included in spare regions of erased blocks of the flash memory device with reference to erased block information included in the block arrangement information and updating the block mapping table in accordance with the scanned address allocation information.
    Type: Application
    Filed: January 17, 2007
    Publication date: May 1, 2008
    Inventors: Yeon-Jin Mo, Jang-Hwan Kim, Dong-Hyun Song, Shea-Yun Lee, Jae-Hyun Hwang, Myung-Jin Jung