Patents by Inventor Kyoo-Chul Pasrk

Kyoo-Chul Pasrk 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 for making an ink jet print head front face having a textured superoleophobic surface
    Patent number: 9139002
    Abstract: A method of making an ink jet print head front face or nozzle plate having a textured superoleophobic surface that prevents undesirable drooling, wetting and/or adhesion of the ink on the print head. The textured surface includes a rim formed around the nozzle. Also described are methods for forming the textured superoleophobic ink jet print head front face or nozzle plate from silicon having the textured, oleophobic surface.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: September 22, 2015
    Assignee: XEROX CORPORATION
    Inventors: Hong Zhao, Kyoo-Chul Pasrk, Kock-Yee Law