ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,405, issued on June 23, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Gyeonggi-do, South Korea).

"Ultrapure water production system, semiconductor processing system including the same, and semiconductor fabrication method using the same" was invented by Juhui Park (Suwon-si, South Korea), Jongha Yun (Suwon-si, South Korea) and Younhaeng Lee (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are ultrapure water production systems, semiconductor processing systems, and semiconductor fabrication methods. An ultrapure water production system may include a front filtering part that filters a fluid and a rear filtering part th...