Patents by Inventor Hae Chan Lee

Hae Chan 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).

  • Dyed lens and method of dyeing lens
    Patent number: 12242024
    Abstract: A lens includes a light-transmitting portion and a light-shielding portion adjacent to at least a portion of the light-transmitting portion and integrated with the light-transmitting portion. The light-shielding portion includes at least one of carbon nanotubes and carbon black.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: March 4, 2025
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Seong Chan Park, Ae Rim Kim, Sang Hyun Kwon, Sang Hyeon Hong, Hae Sung Oh, Choon Keun Lee
  • Real time monitoring system of spent fuel pool and method thereof
    Patent number: 8957781
    Abstract: A real time monitoring system of a spent fuel pool includes a detection unit configured to detect condition information using a sensor installed in the spent fuel pool; an input storage unit configured to receive and store configuration information of a spent fuel, history information related to burnup, and a normal value and a limit value of current condition information; an operation and determination unit configured to calculate the current condition information of the spent fuel by using the condition information detected by the detection unit and the configuration information and the history information stored in the input storage unit and configured to determine a risk level by comparing the current condition information with the limit value corresponding to the risk level; and a display unit configured to display the current condition information calculated by the operation and determination unit and configured to display the determined risk level.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: February 17, 2015
    Assignee: Kepco Nuclear Fuel Co., Ltd.
    Inventors: Sang Jong Lee, Jae Don Choi, Young Baek Kim, Tae Je Kwon, Hae Chan Lee, Young Ho Park, Jae Il Lee, Jung Seon An, Seoung Eun Chun, Song Kee Sung
  • REAL TIME MONITORING SYSTEM OF SPENT FUEL POOL AND METHOD THEREOF
    Publication number: 20130063269
    Abstract: A real time monitoring system of a spent fuel pool includes a detection unit configured to detect condition information using a sensor installed in the spent fuel pool; an input storage unit configured to receive and store configuration information of a spent fuel, history information related to burnup, and a normal value and a limit value of current condition information; an operation and determination unit configured to calculate the current condition information of the spent fuel by using the condition information detected by the detection unit and the configuration information and the history information stored in the input storage unit and configured to determine a risk level by comparing the current condition information with the limit value corresponding to the risk level; and a display unit configured to display the current condition information calculated by the operation and determination unit and configured to display the determined risk level.
    Type: Application
    Filed: August 23, 2012
    Publication date: March 14, 2013
    Applicant: KEPCO NUCLEAR FUEL CO., LTD.
    Inventors: Sang Jong LEE, Jae Don Choi, Young Baek Kim, Tae Je Kwon, Hae Chan Lee, Young Ho Park, Jae II Lee, Jung Seon An, Seoung Eun Chun, Song Kee Sung