Patents by Inventor Changbum IM

Changbum IM 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).

  • eFUSE one-time programmable memory with inter integrated circuit (I2C) communication and operation method thereof
    Patent number: 12046312
    Abstract: An eFuse one-time programmable (OTP) memory is provided. The eFuse OTP memory supports inter integrated circuit (I2C) communication, and an operation method thereof. The eFuse OTP memory includes: an eFuse intellectual property (IP) which data writes once and data reads multiple times for a plurality of addresses; and an I2C slave which communicates with an I2C master based on a serial clock line and a serial data line, and performs the data write and the data read to and from the eFuse IP.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: July 23, 2024
    Assignee: SK keyfoundry Inc.
    Inventors: Wan-Chul Kong, Woojin Han, Changbum Im, Keesik Ahn, Sungbum Park, Ilwoo Lee
  • eFUSE ONE-TIME PROGRAMMABLE MEMORY WITH INTER INTEGRATED CIRCUIT (I2C) COMMUNICATION AND OPERATION METHOD THEREOF
    Publication number: 20230059620
    Abstract: An eFuse one-time programmable (OTP) memory is provided. The eFuse OTP memory supports inter integrated circuit (12C) communication, and an operation method thereof. The eFuse OTP memory includes: an eFuse intellectual property (IP) which data writes once and data reads multiple times for a plurality of addresses; and an 12C slave which communicates with an 12C master based on a serial clock line and a serial data line, and performs the data write and the data read to and from the eFuse IP.
    Type: Application
    Filed: January 26, 2022
    Publication date: February 23, 2023
    Applicant: KEY FOUNDRY CO., LTD.
    Inventors: Wan-Chul KONG, Woojin HAN, Changbum IM, Keesik AHN, Sungbum PARK, Ilwoo LEE