Patents by Inventor YOUNG SIK PYUN

YOUNG SIK PYUN 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).

  • Method of making bearing using ultrasonic nano crystal surface modification technology
    Patent number: 8782902
    Abstract: A method of making a bearing includes providing a bearing intermediate, which is unfinished while having an overall shape of a finished bearing product; and repeatedly impacting a surface of the bearing intermediate at one or more ultrasonic frequencies to modify characteristics of the bearing intermediate. The resulting bearing intermediate or finished bearing product includes nano-size grains at or underneath the surface.
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: July 22, 2014
    Assignee: Designmecha Co., Ltd.
    Inventors: Young Sik Pyun, Jeong Hyeon Park, Chang Sik Kim, In Ho Cho
  • METHOD OF MAKING BEARING USING ULTRASONIC NANO CRYSTAL SURFACE MODIFICATION TECHNOLOGY
    Publication number: 20100024218
    Abstract: A method of making a bearing includes providing a bearing intermediate, which is unfinished while having an overall shape of a finished bearing product; and repeatedly impacting a surface of the bearing intermediate at one or more ultrasonic frequencies to modify characteristics of the bearing intermediate. The resulting bearing intermediate or finished bearing product includes nano-size grains at or underneath the surface.
    Type: Application
    Filed: October 13, 2009
    Publication date: February 4, 2010
    Applicant: DESIGNMECHA CO., LTD.
    Inventors: YOUNG SIK PYUN, JEONG HYEON PARK, CHANG SIK KIM, IN HO CHO