ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,307, issued on Dec. 16, was assigned to KURITA WATER INDUSTRIES LTD. (Tokyo).
"Method for operating demineralization apparatus" was invented by Kazuki Ishii (Tokyo), Kunihiro Hayakawa (Tokyo) and Junichi Takahashi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is a method for operating a demineralization apparatus provided with a plurality of demineralizing lines arranged in parallel and having demineralizers, the method comprising passing through some of the demineralizing lines water to be treated to produce demineralized water while passing through another demineralizing line(s) dilute water from a dilute water tank t...