Patents by Inventor Young-Jung Heo

Young-Jung Heo 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: 20230369606
    Abstract: Disclosed are a mesoporous support for a catalyst of a fuel cell, which includes a graphite layer formed only on its surface and a method producing the same. The support may include a substrate; a graphite layer in a crystalline form and formed on a surface of a substrate, and further include a first pore having an average pore size of less than about 2 nm and a second pore having an average pore size of about 2 nm to 50 nm.
    Type: Application
    Filed: December 10, 2022
    Publication date: November 16, 2023
    Inventor: Young Jung Heo
  • Publication number: 20230335756
    Abstract: An electrode for a membrane-electrode assembly having improved oxygen permeability by reducing the ionomer content includes a catalyst including a support and an active metal supported on the support, an ionomer, and an additive including a carbon material and a proton conductive functional group bonded to the carbon material.
    Type: Application
    Filed: December 16, 2022
    Publication date: October 19, 2023
    Inventors: Young Jung Heo, Il Seok Chae
  • Patent number: 10512891
    Abstract: An activated carbon manufacturing method may include preparing activated carbon precursors, carbonizing the activated carbon precursors by performing a heat treatment on the activated carbon precursors, equalizing the activated carbon precursors carbonized, in the carbonizing, by grinding the activated carbon precursors, activating the activated carbon precursors by inserting an oxidizing agent and distilled water into the equalized activated carbon precursors and performing a heat treatment on the activated carbon precursors, and introducing metal oxide particles into the activated carbon precursors by mixing the activated precursors, a metal salt, and a reducing agent in a solvent to perform reaction on the activated carbon precursors.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: December 24, 2019
    Assignees: Hyundai Motor Company, Inha-Industry Partnership Institute
    Inventors: Shin Tae Bae, Young Jung Heo, Soo Jin Park
  • Patent number: 10328381
    Abstract: Disclosed is an activated carbon including pores formed on a surface thereof, in particular, the pores include ultra-micropores having a diameter that is equal to or less than about 1.0 nm.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: June 25, 2019
    Assignees: Hyundai Motor Company, INHA-Industry Partnership Institute
    Inventors: Shin Tae Bae, Young Jung Heo, Soo Jin Park
  • Patent number: 10300456
    Abstract: A method for manufacturing activated carbon may include preparing activated carbon precursors, carbonizing the activated carbon precursors by performing a heat treatment on the carbon precursors, equalizing the activated carbon precursors carbonized in the carbonizing, by grinding the activated carbon precursors, and activating the activated carbon precursors by introducing a mixture gas including carbon dioxide and steam into the ground activated carbon precursors and performing a heat treatment on the activated carbon precursors.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: May 28, 2019
    Assignees: Hyundai Motor Company, Inha University Research and Business Foundation
    Inventors: Shin Tae Bae, Youjin Park, Soo Jin Park, Young Jung Heo
  • Patent number: 10086357
    Abstract: An activated carbon manufacturing method may include preparing activated carbon precursors, carbonizing the activated carbon precursors by performing a heat treatment on the activated carbon precursors, equalizing the activated carbon precursors which were carbonized, in the carbonizing, by grinding the activated carbon precursors, activating the activated carbon precursors by inserting an oxidizing agent and distilled water into the equalized activated carbon precursors, and performing a heat treatment on the activated carbon precursors, and introducing a nitrogen-based functional group into a surface of the activated carbon precursors by mixing the activated carbon precursors, a nitrogen material, and a solvent to perform reaction on the activated carbon precursors.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: October 2, 2018
    Assignees: Hyundai Motor Company, Inha-Industry Partnership Institute
    Inventors: Shin Tae Bae, Young Jung Heo, Soo Jin Park
  • Publication number: 20180001294
    Abstract: A method for manufacturing activated carbon may include preparing activated carbon precursors, carbonizing the activated carbon precursors by performing a heat treatment on the carbon precursors, equalizing the activated carbon precursors carbonized in the carbonizing, by grinding the activated carbon precursors, and activating the activated carbon precursors by introducing a mixture gas including carbon dioxide and steam into the ground activated carbon precursors and performing a heat treatment on the activated carbon precursors.
    Type: Application
    Filed: October 6, 2016
    Publication date: January 4, 2018
    Applicants: Hyundai Motor Company, Inha University Research and Business Foundation
    Inventors: Shin Tae BAE, Youjin PARK, Soo Jin PARK, Young Jung HEO
  • Publication number: 20170282153
    Abstract: An activated carbon manufacturing method may include preparing activated carbon precursors, carbonizing the activated carbon precursors by performing a heat treatment on the activated carbon precursors, equalizing the activated carbon precursors carbonized, in the carbonizing, by grinding the activated carbon precursors, activating the activated carbon precursors by inserting an oxidizing agent and distilled water into the equalized activated carbon precursors and performing a heat treatment on the activated carbon precursors, and introducing metal oxide particles into the activated carbon precursors by mixing the activated precursors, a metal salt, and a reducing agent in a solvent to perform reaction on the activated carbon precursors.
    Type: Application
    Filed: August 26, 2016
    Publication date: October 5, 2017
    Applicants: Hyundai Motor Company, lnha-lndustry Partnership Institute
    Inventors: Shin Tae BAE, Young Jung HEO, Soo Jin PARK
  • Publication number: 20170282152
    Abstract: An activated carbon manufacturing method may include preparing activated carbon precursors, carbonizing the activated carbon precursors by performing a heat treatment on the activated carbon precursors, equalizing the activated carbon precursors which were carbonized, in the carbonizing, by grinding the activated carbon precursors, activating the activated carbon precursors by inserting an oxidizing agent and distilled water into the equalized activated carbon precursors, and performing a heat treatment on the activated carbon precursors, and introducing a nitrogen-based functional group into a surface of the activated carbon precursors by mixing the activated carbon precursors, a nitrogen material, and a solvent to perform reaction on the activated carbon precursors.
    Type: Application
    Filed: August 26, 2016
    Publication date: October 5, 2017
    Applicants: Hyundai Motor Company, lnha-lndustry Partnership Institute
    Inventors: Shin Tae BAE, Young Jung HEO, Soo Jin PARK
  • Publication number: 20170247258
    Abstract: Disclosed is an activated carbon including pores formed on a surface thereof, in particular, the pores include ultra-micropores having a diameter that is equal to or less than about 1.0 nm.
    Type: Application
    Filed: August 25, 2016
    Publication date: August 31, 2017
    Inventors: Shin Tae Bae, Young Jung Heo, Soo Jin Park
  • Patent number: 9682865
    Abstract: Disclosed is an active carbon that includes micropores having a diameter of about 0.5 nm to about 0.8 nm in a content of about 70 vol % to about 90 vol % based on the total volume of the total pores, and has a nitrogen-containing functional group introduced on the surface thereof. Moreover, disclosed is a method for preparing active carbon. The method may include steps of: forming a reaction mixture including a carbon precursor, an alkali salt, and an organic compound including a nitrogen-containing functional group; and heating the reaction mixture to a temperature of about 800° C. to about 1000° C. in the presence of nitrogen gas.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: June 20, 2017
    Assignees: Hyundai Motor Company, Kia Motors Corporation, INHA-INDUSTRY PARTNERSHIP INSTITUTE
    Inventors: Shin-Tae Bae, Seul-Yi Lee, Young-Jung Heo, Soo-Jin Park
  • Publication number: 20160115116
    Abstract: Disclosed is an active carbon that includes micropores having a diameter of about 0.5 nm to about 0.8 nm in a content of about 70 vol % to about 90 vol % based on the total volume of the total pores, and has a nitrogen-containing functional group introduced on the surface thereof. Moreover, disclosed is a method for preparing active carbon. The method may include steps of: forming a reaction mixture including a carbon precursor, an alkali salt, and an organic compound including a nitrogen-containing functional group; and heating the reaction mixture to a temperature of about 800° C. to about 1000° C. in the presence of nitrogen gas.
    Type: Application
    Filed: March 24, 2015
    Publication date: April 28, 2016
    Inventors: Shin-Tae Bae, Seul-Yi Lee, Young-Jung Heo, Soo-Jin Park