Patents by Inventor Hee Kong Lee

Hee Kong Lee 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: 20240076788
    Abstract: Disclosed are an oxidizing electrode, a water electrolysis device including the same and a method for manufacturing the same. According to exemplary embodiments of the present disclosure, there is provided an oxidizing electrode with improved performance at low loadings of noble metals, especially, ruthenium (Ru) and iridium oxide, in which a ruthenium (Ru) layer and an iridium oxide layer formed on a substrate by electrodeposition in a sequential order are supported by electrochemical reaction rather than physical bonding.
    Type: Application
    Filed: January 18, 2023
    Publication date: March 7, 2024
    Inventors: Hyun S. PARK, Jong Hyun JANG, Hee-Young PARK, Su Ji LEE, Sung Jong YOO, Jin Young KIM, Jimin KONG, Jin-ho OH, So Young LEE
  • Patent number: 8873832
    Abstract: The present invention relates to a slip detection apparatus and method for a mobile robot, and more particularly, to a slip detection apparatus and method for a mobile robot, which not only use a plurality of rotation detection sensors to detect a lateral slip angle and lateral slip direction, but also analyze the amount of change in an image and detect the blocked degree of an image input unit to determine the quality of an input image, and detect the occurrence of a frontal slip to precisely detect the type of slip, direction of the slip, and the rotation angle, and, on the basis of the latter, to enable the mobile robot to move away from and avoid slip regions, and to reassume the precise position thereof.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: October 28, 2014
    Assignee: Yujin Robot Co., Ltd.
    Inventors: Kyung Chul Shin, Seong Ju Park, Hee Kong Lee, Jae Young Lee, Hyung O Kim, James Stonier Daniel
  • Patent number: 8849036
    Abstract: The present invention relates to a map generating and updating method for mobile robot position recognition, and more specifically relates to a map generating and updating method for mobile robot position recognition, whereby position recognition error can be minimized by registering landmarks extracted during map generation and landmarks extracted on the basis of the probable error in inferred landmarks, calculating the accuracy of landmarks pre-registered during map generation, and adjusting the level of landmarks of low accuracy or removing landmarks which have been registered erroneously.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: September 30, 2014
    Assignee: Yujin Robot Co., Ltd.
    Inventors: Kyung Chul Shin, Seong Ju Park, Hee Kong Lee, Jae Young Lee, Hyung O Kim, James Stonier Daniel
  • Patent number: 8744665
    Abstract: The present invention relates to a control method for the localization and navigation of a mobile robot and a mobile robot using the same. More specifically, the localization and navigation of a mobile robot are controlled using inertial sensors and images, wherein local direction descriptors are employed, the mobile robot is changed in the driving mode thereof according to the conditions of the mobile robot, and errors in localization may be minimized.
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: June 3, 2014
    Assignee: Yujin Robot Co., Ltd.
    Inventors: Kyung Chul Shin, Seong Ju Park, Hee Kong Lee, Jae Young Lee, Hyung O Kim
  • Publication number: 20120219207
    Abstract: The present invention relates to a slip detection apparatus and method for a mobile robot, and more particularly, to a slip detection apparatus and method for a mobile robot, which not only use a plurality of rotation detection sensors to detect a lateral slip angle and lateral slip direction, but also analyze the amount of change in an image and detect the blocked degree of an image input unit to determine the quality of an input image, and detect the occurrence of a frontal slip to precisely detect the type of slip, direction of the slip, and the rotation angle, and, on the basis of the latter, to enable the mobile robot to move away from and avoid slip regions, and to reassume the precise position thereof.
    Type: Application
    Filed: October 30, 2009
    Publication date: August 30, 2012
    Applicant: YUJIN ROBOT CO., LTD.
    Inventors: Kyung Chul Shin, Seong Ju Park, Hee Kong Lee, Jae Young Lee, Hyung O Kim, James Stonier Daniel
  • Publication number: 20120213443
    Abstract: The present invention relates to a map generating and updating method for mobile robot position recognition, and more specifically relates to a map generating and updating method for mobile robot position recognition, whereby position recognition error can be minimised by registering landmarks extracted during map generation and landmarks extracted on the basis of the probable error in inferred landmarks, calculating the accuracy of landmarks pre-registered during map generation, and adjusting the level of landmarks of low accuracy or removing landmarks which have been registered erroneously.
    Type: Application
    Filed: October 30, 2009
    Publication date: August 23, 2012
    Applicant: YUJIN ROBOT CO., LTD.
    Inventors: Kyung Chul Shin, Seong Ju Park, Hee Kong Lee, Jae Young Lee, Hyung O Kim, James Stonier Daniel
  • Publication number: 20120191287
    Abstract: The present invention relates to a control method for the localization and navigation of a mobile robot and a mobile robot using the same. More specifically, the localization and navigation of a mobile robot are controlled using inertial sensors and images, wherein local direction descriptors are employed, the mobile robot is changed in the driving mode thereof according to the conditions of the mobile robot, and errors in localization may be minimized.
    Type: Application
    Filed: July 28, 2009
    Publication date: July 26, 2012
    Applicant: YUJIN ROBOT CO., LTD.
    Inventors: Kyung Chul Shin, Seong Ju Park, Hee Kong Lee, Jae Young Lee, Hyung O Kim