Patents by Inventor Gwi Han KO

Gwi Han KO 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).

  • Publication number: 20240161839
    Abstract: A memory device, and a method of operating the same, includes a plurality of memory cells configured to be programmed to any one of a plurality of program states, a peripheral circuit configured to perform a plurality of program loops on the plurality of memory cells, and a program operation controller. The program operation controller is configured to control the peripheral circuit such that a verify operation for a second program state is performed from a second program loop after a verify operation for a first program state performed from a first program loop passes, wherein the first program loop is performed before the second program loop.
    Type: Application
    Filed: March 30, 2023
    Publication date: May 16, 2024
    Applicant: SK hynix Inc.
    Inventors: Hyung Jin CHOI, Gwi Han KO
  • Publication number: 20240161829
    Abstract: Provided herein is a memory device for performing a program operation, a method of operating the memory device, and a storage device having the memory device. The method of operating a memory device includes receiving a first data bit among a plurality of data bits to be stored in each of a plurality of memory cells from a memory controller, performing a program voltage apply operation on the plurality of memory cells based on the first data bit, and receiving a second data bit among the plurality of data bits from the memory controller while performing the program voltage apply operation.
    Type: Application
    Filed: March 31, 2023
    Publication date: May 16, 2024
    Applicant: SK hynix Inc.
    Inventors: Hyung Jin CHOI, Gwi Han KO, Chan Sik PARK
  • Publication number: 20230410924
    Abstract: The present technology may include a voltage generation circuit configured to generate a plurality of voltages in response to at least one voltage control signal, and control logic configured to generate the at least one voltage control signal in order to adjust at least one of an under drive time and an under drive offset during an under drive operation of a semiconductor apparatus according to a temperature information signal and a pre-stored temperature characteristic signal of the semiconductor apparatus.
    Type: Application
    Filed: November 8, 2022
    Publication date: December 21, 2023
    Applicant: SK hynix Inc.
    Inventors: Hyung Jin CHOI, Gwi Han KO, Chan Hui JEONG
  • Publication number: 20230400986
    Abstract: A semiconductor apparatus includes a memory cell array and a control circuit. The control circuit is configured to perform a program operation on target cells within the memory cell array, the program operation including a plurality of loops. The control circuit may be configured to apply a bit line voltage having a predetermined level to bit lines in loops in which a pass voltage having a first level is applied among the plurality of loops, and configured to apply the bit line voltage having a higher level than the predetermined level to the bit lines in loops in which the pass voltage having a second level higher than the first level is applied among the plurality of loops.
    Type: Application
    Filed: November 8, 2022
    Publication date: December 14, 2023
    Applicant: SK hynix Inc.
    Inventors: Hyung Jin CHOI, Gwi Han KO, Chan Hui JEONG
  • Patent number: 11443815
    Abstract: A memory device may include a first sub-block and a second sub-block each including a plurality of select transistors and a plurality of memory cells, a peripheral circuit performing a read operation on data stored in the first sub-block, and a control logic controlling the peripheral circuit to turn on the plurality of select transistors included in each of the first and second sub-blocks and apply a read voltage to a selected word line among a plurality of word lines.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: September 13, 2022
    Assignee: SK hynix Inc.
    Inventors: Jae Hyeon Shin, Gwi Han Ko, Sung Hun Kim, Gwan Park, Hyun Soo Lee
  • Patent number: 11348641
    Abstract: A memory device and method of operating the same. A memory device includes a memory block, a peripheral circuit, and a program operation controller. The memory block includes a first sub block connected to a first drain select line and a first source select line, and a second sub block connected to a second drain select line and a second source select line, and each of the first sub block and the second sub block is connected to a plurality of word lines and a common source line. The program operation controller controls the peripheral circuit to transfer a precharge voltage to the channel region through the common source line or a plurality of bit lines connected the memory block, and to apply a control voltage to the first and second source select lines at different time points or to apply the control voltage to the first and second drain select lines at different time points in the step of precharging the channel region.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: May 31, 2022
    Assignee: SK hynix Inc.
    Inventors: Jae Hyeon Shin, Gwi Han Ko, Sung Hun Kim, Hyung Jin Choi
  • Publication number: 20220028462
    Abstract: A memory device may include a first sub-block and a second sub-block each including a plurality of select transistors and a plurality of memory cells, a peripheral circuit performing a read operation on data stored in the first sub-block, and a control logic controlling the peripheral circuit to turn on the plurality of select transistors included in each of the first and second sub-blocks and apply a read voltage to a selected word line among a plurality of word lines.
    Type: Application
    Filed: January 11, 2021
    Publication date: January 27, 2022
    Inventors: Jae Hyeon SHIN, Gwi Han KO, Sung Hun KIM, Gwan PARK, Hyun Soo LEE
  • Publication number: 20210158871
    Abstract: A memory device includes a memory block, a peripheral circuit, and a program operation controller. The memory block includes a first sub block connected to a first drain select line and a first source select line, and a second sub block connected to a second drain select line and a second source select line, and is connected to a plurality of word lines and a common source line. The program operation controller controls the peripheral circuit to transfer a precharge voltage to the channel region through the common source line or a plurality of bit lines connected the memory block, and to apply a control voltage to the first and second source select lines at different time points or to apply the control voltage to the first and second drain select lines at different time points in the step of precharging the channel region.
    Type: Application
    Filed: April 23, 2020
    Publication date: May 27, 2021
    Inventors: Jae Hyeon SHIN, Gwi Han KO, Sung Hun KIM, Hyung Jin CHOI
  • Publication number: 20160325829
    Abstract: The multi-rotor type unmanned aerial vehicle includes: a main body including the battery module and the control module; a plurality of frames connected to a side surface of the main body and extending therefrom; a first motor connected to a distal end of each of the frames; and a drive unit connected to the first motor, wherein the drive unit includes a rotary frame and a stationary frame each having a circular shape and connected to each other in the form of a gyroscope, a second motor supported at the center of the rotatable frame, and a propeller connected to the second motor, and a vector of thrust generated by rotation of the propeller is variable according to rotation of the first and second motors.
    Type: Application
    Filed: May 6, 2016
    Publication date: November 10, 2016
    Inventors: Hyo Sung AHN, Young Cheol CHOI, Sung Mo KANG, Ji Hwan SON, Byung Hun LEE, Gwi Han KO