Patents by Inventor Jae Hwa Jhin

Jae Hwa Jhin 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).

  • Core catcher and corer having it
    Patent number: 8109347
    Abstract: The present invention relates to a core catcher and a corer having the same, and more particularly, to a core catcher provided with dual blade radial pins for preventing loss of sediments and a corer having the same.
    Type: Grant
    Filed: May 26, 2008
    Date of Patent: February 7, 2012
    Assignee: Korea Institute of Geoscience and Mineral Resources (KIGAM)
    Inventors: Jae Hwa Jhin, Jun Ho Kim, Min Jun Kim
  • Core Catcher and Corer Having It
    Publication number: 20100133014
    Abstract: The present invention relates to a core catcher and a corer having the same, and more particularly, to a core catcher provided with dual blade radial pins for preventing loss of sediments and a corer having the same.
    Type: Application
    Filed: May 26, 2008
    Publication date: June 3, 2010
    Applicant: Korea Institute of Geoscience and Mineral Resource (KIGAM)
    Inventors: Jae Hwa Jhin, Jun Ho Kim, Min Jun Kim