Patents by Inventor Jun Yeon Cho

Jun Yeon Cho 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: 10189085
    Abstract: The present specification relates to a hollow metal particle, an electrode catalyst including the same, an electrochemical battery including the electrode catalyst, and a method of manufacturing the hollow metal particle.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: January 29, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sang Hoon Kim, Gyo Hyun Hwang, Jun Yeon Cho, Kwanghyun Kim
  • Publication number: 20180375108
    Abstract: The present specification relates to a carrier-nanoparticle complex, a catalyst including the same, an electrochemical battery or a fuel cell including the catalyst, and a method for preparing the same.
    Type: Application
    Filed: February 2, 2017
    Publication date: December 27, 2018
    Inventors: Jun Yeon CHO, Kwanghyun KIM, Sang Hoon KIM, Ran CHOI, Gyo Hyun HWANG, Wonkyun LEE
  • Publication number: 20180198135
    Abstract: The present specification relates to a carrier-nanoparticle complex, a preparation method therefor, and a membrane electrode assembly including the same.
    Type: Application
    Filed: September 22, 2016
    Publication date: July 12, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Jun Yeon CHO, Sang Hoon KIM, Gyo Hyun HWANG, Kwanghyun KIM, Ran CHOI, Wonkyun LEE
  • Patent number: 9991018
    Abstract: The present application relates to a method for preparing a carbon carrier-metal nanoparticle composite and a carbon carrier-metal nanoparticle composite prepared thereby, and has an advantage in that it is possible to improve dispersibility and supporting ratio of metal nanoparticles with respect to a carbon carrier by efficiently supporting metal nanoparticles having a uniform size of several nanometers on evenly dispersed carbon carriers.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: June 5, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Kwanghyun Kim, Sang Hoon Kim, Gyo Hyun Hwang, Jun Yeon Cho
  • Publication number: 20170350376
    Abstract: In the hydraulic pump according to the present invention, a straight path among the paths, through which the fluid flows within the hydraulic pump, and a connection point on the straight path are formed to have curvatures, so that it is possible to prevent stress from being concentrated to the connection point, thereby improving durability, and it is possible to manufacture the hydraulic pump by forming a casting shape with a curvature in advance, thereby decreasing additional machining and decreasing costs of a product.
    Type: Application
    Filed: September 3, 2015
    Publication date: December 7, 2017
    Inventors: Byoung Ik KANG, Seong Choon LEE, Byoung Choon MOON, Jun Yeon CHO
  • Publication number: 20170312739
    Abstract: The present specification relates to a carrier-nanoparticle complex, a method for preparing the same, and a catalyst comprising the same.
    Type: Application
    Filed: November 4, 2015
    Publication date: November 2, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Jun Yeon CHO, Sang Hoon KIM, Gyo Hyun HWANG, Kwanghyun KIM, Ran CHOI
  • Patent number: 9776247
    Abstract: The present application relates to hollow metal nano particles.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: October 3, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Sang Hoon Kim, Gyo Hyun Hwang, Jun Yeon Cho, Kwanghyun Kim
  • Patent number: 9776173
    Abstract: The present specification relates to a hollow metal nanoparticle. Specifically, the present specification relates to a hollow metal nanoparticle having a cavity.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: October 3, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Kwanghyun Kim, Gyo Hyun Hwang, Sang Hoon Kim, Jun Yeon Cho
  • Publication number: 20170279124
    Abstract: The present specification relates to a carrier-nanoparticle complex and a preparation method thereof.
    Type: Application
    Filed: August 18, 2015
    Publication date: September 28, 2017
    Inventors: Sang Hoon KIM, Jun Yeon CHO, Kwanghyun KIM, Jungup BANG, Gyo Hyun HWANG, Ran CHOI
  • Publication number: 20170263941
    Abstract: The present application relates to a fuel cell and a method of manufacturing the same.
    Type: Application
    Filed: November 27, 2014
    Publication date: September 14, 2017
    Inventors: Kwanghyun KIM, Gyo Hyun HWANG, Sang Hoon KIM, Jun Yeon CHO
  • Publication number: 20170232522
    Abstract: The present specification relates to a method for preparing a metal nanoparticle.
    Type: Application
    Filed: August 13, 2015
    Publication date: August 17, 2017
    Inventors: Ran CHOI, Kwanghyun KIM, Jungup BANG, Sang Hoon KIM, Gyo Hyun HWANG, Jun Yeon CHO
  • Patent number: 9735432
    Abstract: The present invention provides a method for fabricating core-shell particles supported on a carrier, the method including: forming a solution by adding a first metal supported on a carrier to a solvent; adjusting a pH of the solution from 7 to 14 and adding a metal salt of a second metal thereto; and forming core-shell particles by adding a reducing agent to the solution and forming a shell including the second metal on a surface of a core particle including the first metal, and core-shell particles fabricated by the method.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: August 15, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Jun Yeon Cho, Sang Hoon Kim, Gyo Hyun Hwang
  • Publication number: 20170216824
    Abstract: The present specification relates to a method for preparing nanoparticles supported on a carrier, and nanoparticles supported on a carrier, prepared thereby.
    Type: Application
    Filed: July 28, 2015
    Publication date: August 3, 2017
    Inventors: Jun Yeon CHO, Sang Hoon KIM, Gyo Hyun HWANG, Kwanghyun KIM, Ran CHOI
  • Patent number: 9698429
    Abstract: The present application relates to a fuel cell and a method of manufacturing the same.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: July 4, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Kwanghyun Kim, Gyo Hyun Hwang, Sang Hoon Kim, Jun Yeon Cho
  • Publication number: 20170128915
    Abstract: The present specification relates to hollow metal nanoparticles, a catalyst including the same, and a method for manufacturing hollow metal nanoparticles.
    Type: Application
    Filed: July 8, 2015
    Publication date: May 11, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Jungup BANG, Gyo Hyun HWANG, Jun Yeon CHO, Sang Hoon KIM, Kwanghyun KIM, Ran CHOI
  • Patent number: 9620786
    Abstract: The present application provides a method for fabricating core-shell particles, including: forming a first solution by adding a first metal salt and a first surfactant to a first solvent; forming core particles including a first metal included in the first metal salt by adding a first reducing agent to the first solution; forming a second solution by adding the core particles, a second metal salt, and a second surfactant to a second solvent; and forming core-shell particles by adding a second reducing agent to the second solution and forming shells on the surface of the core particle, in which the first surfactant and the second surfactant are polyoxyethylene, polyoxyethylene sorbitan monolaurate or polyoxyethylene oleyl ether, and core-shell particles fabricated by the method.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: April 11, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Jun Yeon Cho, Sang Hoon Kim, Gyo Hyun Hwang
  • Patent number: 9614227
    Abstract: The present application relates to a fuel cell and a method of manufacturing the same.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: April 4, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Kwanghyun Kim, Gyo Hyun Hwang, Sang Hoon Kim, Jun Yeon Cho
  • Publication number: 20160372757
    Abstract: The present application relates to a fuel cell and a method of manufacturing the same.
    Type: Application
    Filed: October 31, 2014
    Publication date: December 22, 2016
    Inventors: Kwanghyun KIM, Gyo Hyun HWANG, Sang Hoon KIM, Jun Yeon CHO
  • Patent number: 9517460
    Abstract: The present application relates to a method for fabricating hollow nano particles supported on carrier.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: December 13, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Jun Yeon Cho, Sang Hoon Kim, Gyo Hyun Hwang, Kwanghyun Kim
  • Patent number: D843372
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: March 19, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Pranav Mistry, Jiawei Zhang, Curtis D. Aumiller, Jun Yeon Cho