Patents by Inventor Ji Yean KIM

Ji Yean KIM 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: 12014763
    Abstract: Magnetic junction memory devices and methods for writing data to memory devices are provided. The magnetic junction memory device includes a first memory bank including first magnetic junction memory cells, a first local write driver adjacent to the first memory bank, connected to global data lines, the first local write driver configured to write data to the first magnetic junction memory cells via local data lines, a second memory bank adjacent to the first memory bank and including second magnetic junction memory cells, a second local write driver adjacent to the second memory bank, connected to the global data lines, the second local write driver configured to write data to the second magnetic junction memory cells via local data lines, and a global write driver configured to provide first and second write data to the first and second local write driver, respectively, via the global data lines.
    Type: Grant
    Filed: August 8, 2022
    Date of Patent: June 18, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chan Kyung Kim, Ji Yean Kim, Hyun Taek Jung, Ji Eun Kim, Tae Seong Kim, Sang-Hoon Jung, Jae Wook Joo
  • Patent number: 11889703
    Abstract: A magnetic junction memory device is provided. The magnetic junction memory device including a sensing circuit including a sensing node, the sensing node being connected to a first end of a transistor and configured to change a voltage of the sensing node in accordance with a resistance of a magnetic junction memory cell, a gating voltage generator circuit configured to generate a gating voltage of the transistor using a reference resistor and a reference voltage, and a read circuit configured to read data from the magnetic junction memory cell using the reference voltage and the voltage of the sensing node.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: January 30, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chan Kyung Kim, Eun Ji Lee, Ji Yean Kim, Tae Seong Kim, Jae Wook Joo
  • Publication number: 20230051494
    Abstract: A magnetic junction memory device is provided. The magnetic junction memory device including a sensing circuit including a sensing node, the sensing node being connected to a first end of a transistor and configured to change a voltage of the sensing node in accordance with a resistance of a magnetic junction memory cell, a gating voltage generator circuit configured to generate a gating voltage of the transistor using a reference resistor and a reference voltage, and a read circuit configured to read data from the magnetic junction memory cell using the reference voltage and the voltage of the sensing node.
    Type: Application
    Filed: October 27, 2022
    Publication date: February 16, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chan Kyung KIM, Eun Ji LEE, Ji Yean KIM, Tae Seong KIM, Jae Wook JOO
  • Patent number: 11515357
    Abstract: A magnetic junction memory device is provided. The magnetic junction memory device including a sensing circuit including a sensing node, the sensing node being connected to a first end of a transistor and configured to change a voltage of the sensing node in accordance with a resistance of a magnetic junction memory cell, a gating voltage generator circuit configured to generate a gating voltage of the transistor using a reference resistor and a reference voltage, and a read circuit configured to read data from the magnetic junction memory cell using the reference voltage and the voltage of the sensing node.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: November 29, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chan Kyung Kim, Eun Ji Lee, Ji Yean Kim, Tae Seong Kim, Jae Wook Joo
  • Publication number: 20220375505
    Abstract: Magnetic junction memory devices and methods for writing data to memory devices are provided. The magnetic junction memory device includes a first memory bank including first magnetic junction memory cells, a first local write driver adjacent to the first memory bank, connected to global data lines, the first local write driver configured to write data to the first magnetic junction memory cells via local data lines, a second memory bank adjacent to the first memory bank and including second magnetic junction memory cells, a second local write driver adjacent to the second memory bank, connected to the global data lines, the second local write driver configured to write data to the second magnetic junction memory cells via local data lines, and a global write driver configured to provide first and second write data to the first and second local write driver, respectively, via the global data lines.
    Type: Application
    Filed: August 8, 2022
    Publication date: November 24, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chan Kyung KIM, Ji Yean KIM, Hyun Taek JUNG, Ji Eun KIM, Tae Seong KIM, Sang-Hoon JUNG, Jae Wook JOO
  • Patent number: 11443791
    Abstract: Magnetic junction memory devices and methods for writing data to memory devices are provided. The magnetic junction memory device includes a first memory bank including first magnetic junction memory cells, a first local write driver adjacent to the first memory bank, connected to global data lines, the first local write driver configured to write data to the first magnetic junction memory cells via local data lines, a second memory bank adjacent to the first memory bank and including second magnetic junction memory cells, a second local write driver adjacent to the second memory bank, connected to the global data lines, the second local write driver configured to write data to the second magnetic junction memory cells via local data lines, and a global write driver configured to provide first and second write data to the first and second local write driver, respectively, via the global data lines.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: September 13, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chan Kyung Kim, Ji Yean Kim, Hyun Taek Jung, Ji Eun Kim, Tae Seong Kim, Sang-Hoon Jung, Jae Wook Joo
  • Publication number: 20210027823
    Abstract: Magnetic junction memory devices and methods for writing data to memory devices are provided. The magnetic junction memory device includes a first memory bank including first magnetic junction memory cells, a first local write driver adjacent to the first memory bank, connected to global data lines, the first local write driver configured to write data to the first magnetic junction memory cells via local data lines, a second memory bank adjacent to the first memory bank and including second magnetic junction memory cells, a second local write driver adjacent to the second memory bank, connected to the global data lines, the second local write driver configured to write data to the second magnetic junction memory cells via local data lines, and a global write driver configured to provide first and second write data to the first and second local write driver, respectively, via the global data lines.
    Type: Application
    Filed: April 14, 2020
    Publication date: January 28, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chan Kyung KIM, Ji Yean KIM, Hyun Taek JUNG, Ji Eun KIM, Tae Seong KIM, Sang-Hoon JUNG, Jae Wook JOO
  • Publication number: 20210020692
    Abstract: A magnetic junction memory device is provided. The magnetic junction memory device including a sensing circuit including a sensing node, the sensing node being connected to a first end of a transistor and configured to change a voltage of the sensing node in accordance with a resistance of a magnetic junction memory cell, a gating voltage generator circuit configured to generate a gating voltage of the transistor using a reference resistor and a reference voltage, and a read circuit configured to read data from the magnetic junction memory cell using the reference voltage and the voltage of the sensing node.
    Type: Application
    Filed: February 24, 2020
    Publication date: January 21, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chan Kyung KIM, Eun Ji LEE, Ji Yean KIM, Tae Seong KIM, Jae Wook JOO