ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,548, issued on Sept. 29, was assigned to ORIENTAL SYSTEM TECHNOLOGY INC. (Hsin-Chu, Taiwan).

"Microfluidic purification device" was invented by Wen-Chie Huang (Hualien County, Taiwan), Chein-Hsun Wang (Hsin-Chu, Taiwan), Y. H. Chen (Taipei City, Taiwan), Chin-Hsiang Chang (New Taipei City, Taiwan), Jenping Ku (Hsinchu County, Taiwan) and Yu-Chih Liang (Hsinchu City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microfluidic purification device for exosomes purification is disclosed that has high speed, high viability and efficiency plus re-cycling of cells for regrowth of exosomes. The microfluidic purification device contains coarse filt...