Patents by Inventor Hunki Kwon

Hunki Kwon 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).

  • Variable space page mapping method and apparatus for flash memory device
    Patent number: 8200889
    Abstract: Disclosed is a method and apparatus embodying a flash translation layer (FTL) in a storage device including a flash memory. The FTL may classify a block into a sequential group and a fusion group based on a locality of a write request. The FTL may store data in blocks of the fusion group by using a page mapping scheme, and sequentially store data by using a block mapping scheme. The FTL may improve efficiency of garbage collection operation that is performed by using limited redundant blocks and also may increase efficiency of a non-sequential reference operation.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: June 12, 2012
    Assignee: University of Seoul Industry Cooperation Foundation
    Inventors: Hunki Kwon, Eunsam Kim, Jongmoo Choi, Donghee Lee, Sam H. Noh
  • VARIABLE SPACE PAGE MAPPING METHOD AND APPARATUS FOR FLASH MEMORY DEVICE
    Publication number: 20100082886
    Abstract: Disclosed is a method and apparatus embodying a flash translation layer (FTL) in a storage device including a flash memory. The FTL may classify a block into a sequential group and a fusion group based on a locality of a write request. The FTL may store data in blocks of the fusion group by using a page mapping scheme, and sequentially store data by using a block mapping scheme. The FTL may improve efficiency of garbage collection operation that is performed by using limited redundant blocks and also may increase efficiency of a non-sequential reference operation.
    Type: Application
    Filed: October 1, 2009
    Publication date: April 1, 2010
    Applicant: University of Seoul Industry Cooperation Foundation
    Inventors: Hunki Kwon, Eunsam Kim, Jongmoo Choi, Donghee Lee, Sam H. Noh