ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,145, issued on June 24, was assigned to KOREA INSTITUTE OF FUSION ENERGY (Daejeon, South Korea).

"Plasma water treatment apparatus for removing color with restraining total nitrogen and method thereof" was invented by Yong Cheol Hong (Goyang-si, South Korea), Yong Wook Shin (Gunsan-si, South Korea), Kang Il Kim (Jeonju-si, South Korea), Seong Il Hong (Yangju-si, South Korea) and Hee Jae Lee (Gunsan-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plasma water treatment apparatus includes a plasma generator that generates plasma in water, and a porous dielectric that adsorbs nitrogen oxide generated in the water, surrounds the plasma ...