Patents by Inventor Kwang Jong SONG

Kwang Jong SONG 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).

  • Data storage device and operating method thereof
    Patent number: 10509602
    Abstract: A data storage device includes a nonvolatile memory device including a main map table, the main map table including a plurality of map segments; and a controller comprising a sub map table including only some of the plurality of map segments of the main map table, the controller is suitable for updating access frequencies for the respective map segments of the main map table; and for determining whether to erase a map segment of the sub map table based on the updated access frequencies for the respective map segments.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: December 17, 2019
    Assignee: SK hynix Inc.
    Inventor: Kwang Jong Song
  • Semiconductor device including a plurality of function blocks
    Patent number: 9798492
    Abstract: A semiconductor device includes a buffer memory, a plurality of function blocks, each of which transmits to a request of access to the buffer memory, and accesses the buffer memory according to a response to the request of access; and a buffer management unit suitable for receiving the request of access, and transmitting the response to the request of access according to a status of the buffer memory, wherein the buffer management unit and each of the plurality of function blocks may communicate through a dedicated channel.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: October 24, 2017
    Assignee: SK Hynix Inc.
    Inventors: Kwang Jong Song, Dae Geun Jee
  • DATA STORAGE DEVICE AND OPERATING METHOD THEREOF
    Publication number: 20170262173
    Abstract: A data storage device includes a nonvolatile memory device including a main map table, the main map table including a plurality of map segments; and a controller comprising a sub map table including only some of the plurality of map segments of the main map table, the controller is suitable for updating access frequencies for the respective map segments of the main map table; and for determining whether to erase a map segment of the sub map table based on the updated access frequencies for the respective map segments.
    Type: Application
    Filed: June 28, 2016
    Publication date: September 14, 2017
    Inventor: Kwang Jong SONG
  • SEMICONDUCTOR DEVICE INCLUDING A PLURALITY OF FUNCTION BLOCKS
    Publication number: 20150293721
    Abstract: A semiconductor device includes a buffer memory, a plurality of function blocks, each of which transmits to a request of access to the buffer memory, and accesses the buffer memory according to a response to the request of access; and a buffer management unit suitable for receiving the request of access, and transmitting the response to the request of access according to a status of the buffer memory, wherein the buffer management unit and each of the plurality of function blocks may communicate through a dedicated channel.
    Type: Application
    Filed: September 11, 2014
    Publication date: October 15, 2015
    Inventors: Kwang Jong SONG, Dae Geun JEE