Patents by Inventor Jinhyeok Cha

Jinhyeok Cha 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).

  • Graphene oxide-nanodiamond composite, manufacturing method thereof, and nanofluid including the same
    Patent number: 10640692
    Abstract: Disclosed herein is a composite comprising a graphene oxide and a nanodiamond that is chemically bonded on a surface of the graphene oxide.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: May 5, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kyong Hwa Song, Byung Wook Kim, Jinwoo Kwak, Jinhyeok Cha, In Woong Lyo, Han Saem Lee
  • Nano-diamond, method of manufacturing the same, and nano-fluid using the same
    Patent number: 10081546
    Abstract: The present invention relates to a nano-diamond, a method of manufacturing the same, and a nano-fluid using the same. The nano-diamond is prepared to comprise functional group represented by the following Chemical Formula 1 that is introduced onto a surface thereof.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: September 25, 2018
    Assignee: Hyundai Motor Company
    Inventors: Kyong Hwa Song, Sung Wook Na, Jinhyeok Cha, Hunwoo Park, In Woong Lyo
  • GRAPHENE OXIDE-NANODIAMOND COMPOSITE, MANUFACTURING METHOD THEREOF, AND NANOFLUID INCLUDING THE SAME
    Publication number: 20180237677
    Abstract: Disclosed herein is a composite comprising a graphene oxide and a nanodiamond that is chemically bonded on a surface of the graphene oxide.
    Type: Application
    Filed: April 24, 2018
    Publication date: August 23, 2018
    Inventors: Kyong Hwa Song, Byung Wook Kim, Jinwoo Kwak, Jinhyeok Cha, In Woong Lyo, Han Saem Lee
  • GRAPHENE OXIDE-NANODIAMOND COMPOSITE, MANUFACTURING METHOD THEREOF, AND NANOFLUID INCLUDING THE SAME
    Publication number: 20170218243
    Abstract: Disclosed herein is a composite comprising a graphene oxide and a nanodiamond that is chemically bonded on a surface of the graphene oxide.
    Type: Application
    Filed: May 16, 2016
    Publication date: August 3, 2017
    Inventors: Kyong Hwa Song, Byung Wook Kim, Jinwoo Kwak, Jinhyeok Cha, In Woong Lyo, Han Saem Lee
  • NANO-DIAMOND, METHOD OF MANUFACTURING THE SAME, AND NANO-FLUID USING THE SAME
    Publication number: 20170057828
    Abstract: The present invention relates to a nano-diamond, a method of manufacturing the same, and a nano-fluid using the same. The nano-diamond is prepared to comprise functional group represented by the following Chemical Formula 1 that is introduced onto a surface thereof.
    Type: Application
    Filed: November 9, 2015
    Publication date: March 2, 2017
    Inventors: Kyong Hwa Song, Sung Wook Na, Jinhyeok Cha, Hunwoo Park, In Woong Lyo