Patents by Inventor Junseo JANG

Junseo JANG 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: 20260031817
    Abstract: A buffer circuit includes a power control circuit, an inverting circuit, and a voltage adjustment circuit. The power control circuit is configured to provide voltages based on an input signal and a mode signal, and the inverting circuit is configured to receive and invert the voltages to generate an output signal. The voltage adjustment circuit is configured to adjust voltage levels based on the mode signal and the output signal.
    Type: Application
    Filed: October 3, 2025
    Publication date: January 29, 2026
    Applicant: SK hynix Inc.
    Inventors: Jin Ha HWANG, Soon Sung AN, Junseo JANG, Jaehyeong HONG
  • Patent number: 12451886
    Abstract: A buffer circuit includes a power control circuit, an inverting circuit, and a voltage adjustment circuit. The power control circuit is configured to provide voltages based on an input signal and a mode signal, and the inverting circuit is configured to receive and invert the voltages to generate an output signal. The voltage adjustment circuit is configured to adjust voltage levels based on the mode signal and the output signal.
    Type: Grant
    Filed: November 21, 2023
    Date of Patent: October 21, 2025
    Assignee: SK hynix Inc.
    Inventors: Jin Ha Hwang, Soon Sung An, Junseo Jang, Jaehyeong Hong
  • Patent number: 12237837
    Abstract: A signal generation apparatus includes a glitch rejection circuit including n m-stage inverters coupled in series, and configured to receive an input signal and perform an inverting operation on the input signal, based on a plurality of voltage signals, to generate an output signal and adjust switching threshold voltages of the m-stage inverters, based on the plurality of voltage signals, to generate the glitch-removed output signal, when a glitch occurs in the input signal, a level detection circuit to detect a logic level of the output signal provided from the glitch rejection circuit to generate a level detection signal and a complementary level detection signal, and a voltage signal generation circuit configured to receive the input signal, a complementary input signal, the level detection signal, and the complementary level detection signal to generate the plurality of voltage signals and provide the plurality of voltage signals to the glitch rejection circuit.
    Type: Grant
    Filed: December 20, 2022
    Date of Patent: February 25, 2025
    Assignee: SK hynix Inc.
    Inventors: Jaehyeong Hong, Junseo Jang, In Seok Kong, Soon Sung An, Dae Ho Yang, Kwan Su Shon, Yo Han Jeong
  • Patent number: 11962300
    Abstract: An input/output circuit may include an input circuit, an amplifier circuit and a precharging circuit. The input circuit may load differential input data to setup nodes based on a data strobe clock. The amplifier circuit may compare and amplify the data that is loaded to the setup nodes and configured to output the amplified data. The precharging circuit may precharge the setup nodes based on the data strobe clock and the differential input data.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: April 16, 2024
    Assignee: SK hynix Inc.
    Inventors: Jaehyeong Hong, Yo Han Jeong, Jin Ha Hwang, Junseo Jang
  • Publication number: 20240097685
    Abstract: A buffer circuit includes a power control circuit, an inverting circuit, and a voltage adjustment circuit. The power control circuit is configured to provide voltages based on an input signal and a mode signal, and the inverting circuit is configured to receive and invert the voltages to generate an output signal. The voltage adjustment circuit is configured to adjust voltage levels based on the mode signal and the output signal.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 21, 2024
    Applicant: SK hynix Inc.
    Inventors: Jin Ha HWANG, Soon Sung AN, Junseo JANG, Jaehyeong HONG
  • Patent number: 11843373
    Abstract: A buffer circuit includes a power control circuit, an inverting circuit, and a voltage adjustment circuit. The power control circuit is configured to provide voltages based on an input signal and a mode signal, and the inverting circuit is configured to receive and invert the voltages to generate an output signal. The voltage adjustment circuit is configured to adjust voltage levels based on the mode signal and the output signal.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: December 12, 2023
    Assignee: SK hynix Inc.
    Inventors: Jin Ha Hwang, Soon Sung An, Junseo Jang, Jaehyeong Hong
  • Patent number: 11837310
    Abstract: The present disclosure relates to a memory device for correcting a pulse duty ratio and a memory system including the same, and relates to a memory device which corrects the duty ratio of a primary pulse of a memory device control signal, and a memory system including the same.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: December 5, 2023
    Assignee: SK hynix Inc.
    Inventors: Jaehyeong Hong, In Seok Kong, Gwan Woo Kim, Jae Young Park, Kwan Su Shon, Soon Sung An, Daeho Yang, Sung Hwa Ok, Junseo Jang, Yo Han Jeong, Eun Ji Choi
  • Publication number: 20230056686
    Abstract: The present disclosure relates to a memory device for correcting a pulse duty ratio and a memory system including the same, and relates to a memory device which corrects the duty ratio of a primary pulse of a memory device control signal, and a memory system including the same.
    Type: Application
    Filed: January 5, 2022
    Publication date: February 23, 2023
    Inventors: Jaehyeong HONG, In Seok KONG, Gwan Woo KIM, Jae Young PARK, Kwan Su SHON, Soon Sung AN, Daeho YANG, Sung Hwa OK, Junseo JANG, Yo Han JEONG, Eun Ji CHOI
  • Publication number: 20220416790
    Abstract: A buffer circuit includes a power control circuit, an inverting circuit, and a voltage adjustment circuit. The power control circuit is configured to provide voltages based on an input signal and a mode signal, and the inverting circuit is configured to receive and invert the voltages to generate an output signal. The voltage adjustment circuit is configured to adjust voltage levels based on the mode signal and the output signal.
    Type: Application
    Filed: October 29, 2021
    Publication date: December 29, 2022
    Applicant: SK hynix Inc.
    Inventors: Jin Ha HWANG, Soon Sung AN, Junseo JANG, Jaehyeong HONG
  • Publication number: 20220123736
    Abstract: An input/output circuit may include an input circuit, an amplifier circuit and a precharging circuit. The input circuit may load differential input data to setup nodes based on a data strobe clock. The amplifier circuit may compare and amplify the data that is loaded to the setup nodes and configured to output the amplified data. The precharging circuit may precharge the setup nodes based on the data strobe clock and the differential input data.
    Type: Application
    Filed: January 27, 2021
    Publication date: April 21, 2022
    Applicant: SK hynix Inc.
    Inventors: Jaehyeong HONG, Yo Han JEONG, Jin Ha HWANG, Junseo JANG