ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,005, issued on July 1, was assigned to SEMES Co. LTD. (Chungcheongnam-Do, South Korea).

"Ink treatment apparatus and method" was invented by Dong Hwa Lee (Asan-si, South Korea), Dai Geon Yoon (Asan-si, South Korea), Soo Hong Lee (Hwaseong-si, South Korea), Bong Man Choi (Cheonan-si, South Korea) and Dae Sung Kim (Cheonan-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ink treatment apparatus and method are provided. The ink treatment apparatus includes: a reservoir storing ink; a head module ejecting the ink; a first control valve controlling a flow of the ink; a plurality of fluid transfer lines installed between the reservoir and ...