Patents by Inventor Yonghwan Song

Yonghwan 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).

  • STORAGE DEVICE HAVING AN RPMB RESET FUNCTION AND RPMB MANAGEMENT METHOD THEREOF
    Publication number: 20240020426
    Abstract: A method for managing a replay protection memory block (RPMB) of a storage device includes allocating an RPMB master region managed separately from an RPMB region in which an RPMB key is stored in the RPMB of the storage device, programming a master key into the RPMB master region responsive to a request from a host, receiving a reset request for the RPMB region using the master key from the host, resetting the RPMB key in response to the reset request for the RPMB region, and receiving a reset lock request for the RPMB region from the host.
    Type: Application
    Filed: March 24, 2023
    Publication date: January 18, 2024
    Inventors: Jimin Ryu, Yonghwan Song, Jaegyu Lee, Dong-Min Kim, Byungjune Song, Myeongjong Lee, Daejin Jung
  • User device having a host flash translation layer (FTL), a method for transferring an erase count thereof, a method for transferring reprogram information thereof, and a method for transferring a page offset of an open block thereof
    Patent number: 9612773
    Abstract: A user device includes a storage device including a flash memory; and a host connected to the storage device via an interface and adapted to transmit data to the storage device. The host provides the storage device with erase count information of the flash memory using a host flash translation layer (FTL), provides the storage device with reprogram information when the flash memory uses a reprogram method, or provides the storage device with page offset information of an open block of the flash memory.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: April 4, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wan-Soo Choi, Jun-Ho Jang, Yonghwan Song, Min-Woo Kim, Woonjae Chung
  • USER DEVICE HAVING A HOST FLASH TRANSLATION LAYER (FTL), A METHOD FOR TRANSFERRING AN ERASE COUNT THEREOF, A METHOD FOR TRANSFERRING REPROGRAM INFORMATION THEREOF, AND A METHOD FOR TRANSFERRING A PAGE OFFSET OF AN OPEN BLOCK THEREOF
    Publication number: 20150143035
    Abstract: A user device includes a storage device including a flash memory; and a host connected to the storage device via an interface and adapted to transmit data to the storage device. The host provides the storage device with erase count information of the flash memory using a host flash translation layer (FTL), provides the storage device with reprogram information when the flash memory uses a reprogram method, or provides the storage device with page offset information of an open block of the flash memory.
    Type: Application
    Filed: November 13, 2014
    Publication date: May 21, 2015
    Inventors: Wan-Soo Choi, Jun-Ho Jang, Yonghwan Song, Min-Woo Kim, Woonjae Chung