Patents by Inventor Yang Soo Choi

Yang Soo Choi 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).

  • DOCTOR BLADE APPARATUS AND PRINTING METHOD USING THE SAME
    Publication number: 20130047876
    Abstract: Disclosed herein is a doctor blade apparatus, including a printing cylinder; a pre-wipe removing a portion of ink applied to a surface of the printing cylinder, while being spaced apart from the surface of the printing cylinder; and a blade removing the ink applied to the surface of the printing cylinder, while being in contact with the surface of the printing cylinder, whereby a life span of the blade can be remarkably improved and work suspension due to replacing the blade can be minimized. Furthermore, abrasion of the printing cylinder generating friction with the blade can be minimized, such that the entire lifespan of printing equipment can be improved.
    Type: Application
    Filed: August 7, 2012
    Publication date: February 28, 2013
    Inventors: Jin Hyuk JUNG, Tae Jun Choi, Yang Soo Choi