ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,983, issued on April 15, was assigned to Metapore Co. Ltd. (South Korea).

"Membrane structure body having matrix structure and biomolecule filter using same" was invented by Kyu Nam Kim (Suwon Si, South Korea) and Sunghoon Kim (Suwon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A membrane structure body having a matrix structure and a biomolecule filter using the same are disclosed. The membrane structure body having a matrix structure, according to one embodiment of the present disclosure, comprises: a filtering part which includes a window region in which a plurality of window cells are formed in a matrix shape and a blocking region ...