Patents by Inventor Seong Ho Cheong

Seong Ho Cheong 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: 8214896
    Abstract: Provided is a method of securing a Universal Serial Bus (USB) keyboard. According to the method, a keyboard security operation is performed at a host controller driver level, which is one level lower than a USB hub driver level. Thus, it is possible to rapidly and effectively prevent a malicious program from leaking information input from a keyboard that is in communication with a main frame and transfers data via a USB.
    Type: Grant
    Filed: July 3, 2008
    Date of Patent: July 3, 2012
    Assignee: Kings Information & Network
    Inventors: Seong Ho Cheong, Yong Hoon Kim
  • Patent number: 8171546
    Abstract: A keyboard security status check module and method are provided. The module is provided to enable a user to easily check the operating status of a keyboard security program installed in a user terminal. The module includes a keyboard security monitor linked to the keyboard security program and configured to monitor a reception status of key input data protected by keyboard security, and a controller configured to display a dynamic keyboard security check representation on a screen of the user terminal according to the reception status of the key input data monitored by the keyboard security monitor.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: May 1, 2012
    Assignee: Kings Information & Network
    Inventors: Dae Hyeong Kim, Seong Ho Cheong
  • Publication number: 20100138918
    Abstract: A keyboard security status check module and method are provided. The module is provided to enable a user to easily check the operating status of a keyboard security program installed in a user terminal. The module includes a keyboard security monitor linked to the keyboard security program and configured to monitor a reception status of key input data protected by keyboard security, and a controller configured to display a dynamic keyboard security check representation on a screen of the user terminal according to the reception status of the key input data monitored by the keyboard security monitor.
    Type: Application
    Filed: December 30, 2008
    Publication date: June 3, 2010
    Applicant: KINGS INFORMATION & NETWORK
    Inventors: Dae Hyeong Kim, Seong Ho Cheong
  • Publication number: 20090313403
    Abstract: Provided is a method of securing a Universal Serial Bus (USE) keyboard. According to the method, a keyboard security operation is performed at a host controller driver level, which is one level lower than a USE hub driver level. Thus, it is possible to rapidly and effectively prevent a malicious program from leaking information input from a keyboard that is in communication with a main frame and transfers data via a USB.
    Type: Application
    Filed: July 3, 2008
    Publication date: December 17, 2009
    Applicant: Kings Information & Network
    Inventors: Seong Ho Cheong, Yong Hoon Kim
  • Publication number: 20090172705
    Abstract: Provided are a data security apparatus and method for a USB keyboard. The data security apparatus includes: a USB keyboard security driver for selecting a driver for a USB keyboard from USB devices connected to a personal computer, and replacing a data processing function address in a USB hub driver with a function address of the selected USB keyboard driver to acquire input data input by the USB keyboard; a USB keyboard data processing module for preferentially receiving the input data acquired from the USB keyboard security driver, and processing the input data through analysis, encoding and deletion processes; and a USB keyboard data transfer module for decoding the input data processed by the USB keyboard USB keyboard data processing module and outputting the decoded input data to a user's desired location.
    Type: Application
    Filed: October 16, 2007
    Publication date: July 2, 2009
    Applicant: KINGS INFORMATION & NETWORK
    Inventor: Seong Ho Cheong