Patents by Inventor Han Seok Nam

Han Seok Nam 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: 20170334189
    Abstract: In order to allow a worker to accurately and repeatedly mark an original plan on a working surface, the present disclosure provides a nonrestrictive drive-type marking system comprising a nonrestrictive drive-type marking device, the nonrestrictive drive-type marking system including an input unit configured to receive data of content to be marked; a marking unit configured to mark the content corresponding to the data on a working surface; a driving unit configured to allow at least a part of the nonrestrictive drive-type marking device comprising the marking unit to nonrestrictively move on the working surface; a position detecting unit configured to sense position information of the nonrestrictive drive-type marking device; and a control unit electrically connected to the input unit, the marking unit, the driving unit, and the position detecting unit, and configured to calculate a current position of the at least the part of the nonrestrictive drive-type marking device comprising the marking unit by compar
    Type: Application
    Filed: August 9, 2017
    Publication date: November 23, 2017
    Inventor: Han Seok NAM
  • Patent number: 8679574
    Abstract: An unlimited movable printing system that allows an operator to accurately and repeatedly print original drawings on a work side and a printing method thereof.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: March 25, 2014
    Inventor: Han Seok Nam
  • Publication number: 20130236633
    Abstract: An unlimited movable printing system that allows an operator to accurately and repeatedly print original drawings on a work side and a printing method thereof.
    Type: Application
    Filed: February 22, 2013
    Publication date: September 12, 2013
    Inventor: Han Seok Nam