ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,898, issued on Feb. 24, was assigned to Semes Co. LTD. (Cheonan-si, South Korea).
"Chemical liquid removing unit, device for supplying chemical liquid and method of removing chemical liquid" was invented by Chulwoo Kim (Cheonan-si, South Korea) and Beomjeong Oh (Cheonan-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A chemical liquid removing unit may remove a remaining chemical liquid from an ink jet head. The chemical liquid removing unit may include a surface tension providing part configured to remove the remaining chemical liquid from a nozzle face of the ink jet head using a surface tension, a driving part configured to move th...