Patents by Inventor BONG JIN CHOE

BONG JIN CHOE 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).

  • Recycled leather, and apparatus for dry-manufacturing recycled leather
    Patent number: 12018339
    Abstract: An apparatus for dry-manufacturing recycled leather comprises air-laid material; and recycled leather manufactured using the apparatus for dry-manufacturing recycled leather. The apparatus for dry-manufacturing recycled leather molds leather fibers and general fibers, which are mixed using air-laid material, and thus a conventional carding process is not required, and recycled leather manufactured thereby has a high tensile strength.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: June 25, 2024
    Assignee: ATKO PLANNING INC.
    Inventors: Ji Eon Kim, Bong Jin Choe, Byung Ho Choo
  • Apparatus for treating waste leather
    Patent number: 11219903
    Abstract: An apparatus for treating leather waste includes: a main body having an inlet and an outlet; a sorting unit rotatably installed in the main body and comprising a plurality of treatment parts having processing components to sort leather inserted into the main body through the inlet; and a power unit configured to rotate the sorting unit.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: January 11, 2022
    Assignee: ATKO PLANNING INC.
    Inventors: Jieon Kim, Bong Jin Choe, Kang Gu Lee, Young Hyeon Choe
  • RECYCLED LEATHER, AND APPARATUS FOR DRY-MANUFACTURING RECYCLED LEATHER
    Publication number: 20220002825
    Abstract: Disclosed is an apparatus for dry-manufacturing recycled leather comprising air-laid material; and recycled leather manufactured using the apparatus for dry-manufacturing recycled leather. The apparatus for dry-manufacturing recycled leather molds leather fibers and general fibers, which are mixed using air-laid material, and thus a conventional carding process is not required, and recycled leather manufactured thereby has a high tensile strength.
    Type: Application
    Filed: May 20, 2019
    Publication date: January 6, 2022
    Inventors: Ji Eon KIM, Bong Jin CHOE, Byung Ho CHOO
  • Manufacturing method of breathable hybrid-leather
    Patent number: 10822667
    Abstract: A method for manufacturing a breathable hybrid leather includes: a raw material supply step of supplying the natural leather of recycled leather; a step of applying a hot-melt adhesive to the upper surface of the leather raw material; a bonding step of supplying a fabric to the upper surface of the adhesive layer and applying heat and pressure to the leather raw material, the adhesive layer, and the fabric to obtain a bonded fabric; and a step of ironing and coating the bonded fabric a plurality of times.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: November 3, 2020
    Assignee: ATKO PLANNING INC.
    Inventors: Jieon Kim, Bong Jin Choe, Kang Gu Lee, Young Hyeon Choe
  • APPARATUS FOR TREATING WASTE LEATHER
    Publication number: 20180369825
    Abstract: An apparatus for treating leather waste includes: a main body having an inlet and an outlet; a sorting unit rotatably installed in the main body and comprising a plurality of treatment parts having processing components to sort leather inserted into the main body through the inlet; and a power unit configured to rotate the sorting unit.
    Type: Application
    Filed: June 15, 2018
    Publication date: December 27, 2018
    Applicant: ATKO PLANNING INC.
    Inventors: JIEON KIM, BONG JIN CHOE, KANG GU LEE, YOUNG HYEON CHOE
  • MANUFACTURING METHOD OF BREATHABLE HYBRID-LEATHER
    Publication number: 20180371558
    Abstract: A method for manufacturing a breathable hybrid leather includes: a raw material supply step of supplying the natural leather of recycled leather; a step of applying a hot-melt adhesive to the upper surface of the leather raw material; a bonding step of supplying a fabric to the upper surface of the adhesive layer and applying heat and pressure to the leather raw material, the adhesive layer, and the fabric to obtain a bonded fabric; and a step of ironing and coating the bonded fabric a plurality of times.
    Type: Application
    Filed: June 15, 2018
    Publication date: December 27, 2018
    Applicant: ATKO PLANNING INC.
    Inventors: JIEON KIM, BONG JIN CHOE, KANG GU LEE, YOUNG HYEON CHOE