Patents by Inventor Duk Jin CHANG

Duk Jin CHANG 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: 11946070
    Abstract: The present invention relates to a medium composition for reinforcing the efficacy of stem cells, including ethionamide, a method of reinforcing the efficacy of stem cells, including culturing stem cells in the medium composition, a method of preparing stem cells with reinforced efficacy, stem cells prepared by the above-mentioned method, and a use thereof. According to the present invention, the anti-inflammatory effect of mesenchymal stem cells and expression levels of paracrine factors may be effectively improved by a simple method of treating mesenchymal stem cells with ethionamide, and the stem cells obtained by the above method may be effectively used for preventing or treating an inflammatory disease or a degenerative brain disease.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: April 2, 2024
    Assignee: SAMSUNG LIFE PUBLIC WELFARE FOUNDATION
    Inventors: Duk Lyul Na, Jong Wook Chang, Hyo Jin Son
  • Publication number: 20240099354
    Abstract: A system for manufacturing edible food products according to the present disclosure includes a first food ingredient supply apparatus configured to separate a single sheet of a first food ingredient from a first food ingredient stack including a plurality of stacked first food ingredients and supply the single sheet of first food ingredient, a second food ingredient supply apparatus configured to separate a single sheet of a second food ingredient from a second food ingredient stack including a plurality of stacked second food ingredients and supply the single sheet of second food ingredient, and a pressing device configured to form an edible food product by pressing a semi-finished product formed by seating the supplied single sheet of the first food ingredient on the supplied single sheet of the second food ingredient.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 28, 2024
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Duk Jin CHANG, Min Soo LIM, Seung Yong KIM, Yong Ho JEON, Sang Oh KIM, Myoung Il KWAK, Jong Hwa LEE
  • Publication number: 20240101369
    Abstract: An apparatus for supplying food ingredients according to the present disclosure includes a food ingredient lifting part configured to separate and move upward a food ingredient stack from a food ingredient cassette on which food ingredients including a plurality of stacked food ingredients are seated, a food ingredient separation part configured to suck and move upward a single sheet of a food ingredient from the food ingredient stack moved upward by the food ingredient lifting part, and a horizontal movement part configured to transfer forward the single sheet of the food ingredient moved upward by the food ingredient separation part.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 28, 2024
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Duk Jin CHANG, Min Soo LIM, Seung Yong KIM, Yong Ho JEON, Sang Oh KIM, Myoung Il KWAK, Jong Hwa LEE
  • Publication number: 20240083059
    Abstract: A cutting apparatus according to the present disclosure includes a cutting roller including a cutting body having a cylindrical shape and configured to rotate about an axis defined in a leftward/rightward direction, and cutting blades protruding outward in a radial direction of the cutting body further than a surface of the cutting body to cut an edible food product provided in a forward/rearward direction, and a cutting base part disposed at a position facing the cutting roller based on the edible food product to support the edible food product to be cut by the cutting roller.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 14, 2024
    Applicants: CJ CHEILJEDANG CORPORATION, CJ SEAFOOD CORPORATION, GREEN TECHNOLOGY CO., LTD.
    Inventors: Duk Jin CHANG, Min Soo LIM, Seung Yong KIM, Yong Ho JEON, Sang Oh KIM, Myoung Il KWAK, Jong Hwa LEE
  • Patent number: 11913020
    Abstract: The present invention relates to a medium composition for improving stem cell migration, which includes ethionamide, and a use thereof. According to the present invention, the migration of stem cells may be effectively improved by the adjustment of a culture environment, which is a simple and safe method, without using gene manipulation or a viral vector, and the stem cells improved in migration by the method may be effectively used as a stem cell therapeutic agent that is able to function by rapidly migrating to the damaged region after transplantation.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG LIFE PUBLIC WELFARE FOUNDATION
    Inventors: Duk Lyul Na, Jong Wook Chang, Hyo Jin Son