Patents by Inventor Joong Keun Lee

Joong Keun 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).

  • Patent number: 11952652
    Abstract: Provided is a method of manufacturing a zinc-plated steel sheet. The method includes: coating a metal on the steel sheet on a steel sheet; annealing the metal coated steel sheet; and zinc plating the annealed steel sheet by dipping in a molten zinc plating bath. Further provided is a method of manufacturing a hot-press part including: coating a metal on the steel sheet on a steel sheet; annealing the metal coated steel sheet; zinc plating the annealed steel sheet by dipping in a molten zinc plating bath; heating the zinc-plated steel sheet; and press forming the heated steel sheet.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: April 9, 2024
    Assignee: POSCO CO., LTD
    Inventors: Il-Ryoung Sohn, Jong-Sang Kim, Joong-Chul Park, Yeol-Rae Cho, Jin-Keun Oh, Han-Gu Cho, Bong-Hoon Chung, Jong-Seog Lee
  • Patent number: 11777064
    Abstract: A method of repairing a display device, in which the display device includes a defective pixel area including a defective wavelength conversion patter, the method including removing the defective wavelength conversion pattern of the defective pixel area, injecting ink including a wavelength conversion material into the defective pixel area, and curing the ink injected into the defective pixel area.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: October 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ill Won Park, Ki Dae Shin, Joong Keun Lee
  • Patent number: 11576836
    Abstract: A massage chair and a method of operating a massage chair, in which operations are controlled by executing artificial intelligence (AI) algorithms and/or machine learning algorithms in a 5G environment connected for Internet-of-Things. The method of operating a massage chair includes obtaining, from a user terminal, first information corresponding to geographic information generated by the user terminal, obtaining, from the user terminal, second information corresponding to motion information generated by the user terminal, obtaining, from the user terminal, third information corresponding to usage information of the user terminal, generating fourth information as additional information using one or more among the first information, the second information, and the third information, and determining an optimal driving mode with respect to a user of user terminal by using the first information to the fourth information.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: February 14, 2023
    Assignee: LG ELECTRONICS INC.
    Inventor: Joong Keun Lee
  • Publication number: 20210280750
    Abstract: A method of repairing a display device, in which the display device includes a defective pixel area including a defective wavelength conversion patter, the method including removing the defective wavelength conversion pattern of the defective pixel area, injecting ink including a wavelength conversion material into the defective pixel area, and curing the ink injected into the defective pixel area.
    Type: Application
    Filed: September 21, 2020
    Publication date: September 9, 2021
    Inventors: Ill Won PARK, Ki Dae SHIN, Joong Keun LEE
  • Publication number: 20190388296
    Abstract: A massage chair and a method of operating a massage chair, in which operations are controlled by executing artificial intelligence (AI) algorithms and/or machine learning algorithms in a 5G environment connected for Internet-of-Things. The method of operating a massage chair includes obtaining, from a user terminal, first information corresponding to geographic information generated by the user terminal, obtaining, from the user terminal, second information corresponding to motion information generated by the user terminal, obtaining, from the user terminal, third information corresponding to usage information of the user terminal, generating fourth information as additional information using one or more among the first information, the second information, and the third information, and determining an optimal driving mode with respect to a user of user terminal by using the first information to the fourth information.
    Type: Application
    Filed: September 5, 2019
    Publication date: December 26, 2019
    Applicant: LG ELECTRONICS INC.
    Inventor: Joong Keun LEE
  • Patent number: 9116077
    Abstract: Disclosed are a method and a system for estimating food commodity intakes.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: August 25, 2015
    Assignees: Sejong University Industry Academy Cooperation Foundation, Ministry of Food and Drug Safety
    Inventors: Sang Hoon Ko, Seung Won Kim, Ki Sung Kwon, Jae Ho Oh, Jung Ah Do, Joong Keun Lee, Hee Dong Woo
  • Publication number: 20130186695
    Abstract: Disclosed are a method and a system for estimating food commodity intakes.
    Type: Application
    Filed: June 27, 2011
    Publication date: July 25, 2013
    Applicants: Korea Food & Drug Administration, Sejong University Industry Academy Cooperation Foundation, The Korea Health Industry Development Institute
    Inventors: Sang Hoon Ko, Seung Won Kim, Ki Sung Kwon, Jae Ho Oh, Jung Ah Do, Joong Keun Lee, Hee Dong Woo