Patents by Inventor SeungGu JI

SeungGu JI 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).

  • Patent number: 11086541
    Abstract: Embodiments of the present disclosure relate to a memory system, a memory controller, and an operating method. A command from a host is received and multiple streams corresponding to the command are generated, and the size of super memory blocks is dynamically configured according to the number of multiple streams. Accordingly, the number of currently accessed memory dies can be adjusted according to the number of streams, and the cost for preventing data loss when SPO occurs can be minimized.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: August 10, 2021
    Assignee: SK hynix Inc.
    Inventor: SeungGu Ji
  • Publication number: 20210132863
    Abstract: A memory system, a memory controller and an operating method are disclosed. By inputting a read command to the memory device, starting to input data for a write command when the write command is input to the memory device while the memory device performs a read sensing operation for the read command, and inputting, to the memory device, data for the write command when input of the write command is started, it is possible to enhance the write performance of the memory system when the memory system executes a write operation after a read operation.
    Type: Application
    Filed: June 19, 2020
    Publication date: May 6, 2021
    Inventor: SeungGu JI
  • Publication number: 20210042031
    Abstract: Embodiments of the present disclosure relate to a memory system, a memory controller, and an operating method. A command from a host is received and multiple streams corresponding to the command are generated, and the size of super memory blocks is dynamically configured according to the number of multiple streams. Accordingly, the number of currently accessed memory dies can be adjusted according to the number of streams, and the cost for preventing data loss when SPO occurs can be minimized.
    Type: Application
    Filed: February 20, 2020
    Publication date: February 11, 2021
    Inventor: SeungGu JI
  • Publication number: 20200050370
    Abstract: A controller includes a memory suitable for storing first data read from first memory blocks of a first super memory block included in a memory device; a rearranging unit suitable for rearranging the first data stored in the memory based on sequence-information of the first data stored in the memory; and a processor suitable for controlling the memory device to write the rearranged first data in a second super memory block of the memory device.
    Type: Application
    Filed: October 17, 2019
    Publication date: February 13, 2020
    Inventors: SeungGu JI, YoungHo KIM
  • Patent number: 10489078
    Abstract: A controller includes a memory suitable for storing first data read from first memory blocks of a first super memory block included in a memory device; a rearranging unit suitable for rearranging the first data stored in the memory based on sequence-information of the first data stored in the memory; and a processor suitable for controlling the memory device to write the rearranged first data in a second super memory block of the memory device.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: November 26, 2019
    Assignee: SK hynix Inc.
    Inventors: SeungGu Ji, YoungHo Kim
  • Patent number: 10423337
    Abstract: A controller includes a calculation unit suitable for calculating a first criteria value, a second criteria value, and a valid page ratio of each of a plurality of first memory blocks included in a first memory block group a memory device of the memory system, a decision unit suitable for deciding as a copy candidate a first memory block having a valid page ratio equal to or smaller than the first criteria value; and a processor suitable for controlling the memory device to copy data of the copy candidate to a second memory block in the memory device when the valid page ratio of the copy candidate is equal to or smaller than the second criteria value.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: September 24, 2019
    Assignee: SK hynix Inc.
    Inventors: SeungGu Ji, HeeCheol Lee, YoungHo Kim
  • Publication number: 20180188962
    Abstract: A controller includes a memory suitable for storing first data read from first memory blocks of a first super memory block included in a memory device; a rearranging unit suitable for rearranging the first data stored in the memory based on sequence-information of the first data stored in the memory; and a processor suitable for controlling the memory device to write the rearranged first data in a second super memory block of the memory device.
    Type: Application
    Filed: July 20, 2017
    Publication date: July 5, 2018
    Inventors: SeungGu JI, YoungHo KIM
  • Publication number: 20180181320
    Abstract: A controller includes a calculation unit suitable for calculating a first criteria value, a second criteria value, and a valid page ratio of each of a plurality of first memory blocks included in a first memory block group a memory device of the memory system, a decision unit suitable for deciding as a copy candidate a first memory block having a valid page ratio equal to or smaller than the first criteria value; and a processor suitable for controlling the memory device to copy data of the copy candidate to a second memory block in the memory device when the valid page ratio of the copy candidate is equal to or smaller than the second criteria value.
    Type: Application
    Filed: July 20, 2017
    Publication date: June 28, 2018
    Inventors: SeungGu JI, HeeCheol LEE, YoungHo KIM