ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,993, issued on Sept. 1, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea) and SAMSUNG E&A Co. LTD. (Seoul, South Korea).

"Apparatus and method for treating waste water" was invented by Jongkeun Yi (Suwon-si, South Korea), Jehun Kim (Suwon-si, South Korea), Suhyoung Cho (Suwon-si, South Korea), Jiwon Chun (Suwon-si, South Korea), Junyul Hur (Suwon-si, South Korea), Jaedong Hwang (Seoul, South Korea), Daesoo Park (Seoul, South Korea), Jaehyung Park (Seoul, South Korea), Seungjoon Chung (Seoul, South Korea), Yongxun Jin (Seoul, South Korea), Jaehoon Choi (Seoul, South Korea) and Seokhwan Hong (Seoul, South Korea).

According to the abstract* released by the U.S. Pa...