ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,814, issued on May 5, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).

"Monitoring system and monitoring method" was invented by Masaru Chiyomaru (Tokyo), Hiroaki Mikawa (Tokyo) and Yuichi Okuzaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for monitoring the alkalinity of a treatment liquid in a treatment tank includes a reaction tank; an indicator burette which drops an indicator into the reaction tank; a reagent burette which drops an acidic reagent into the reaction tank; a probe-type absorptiometer to be inserted into the reaction tank; a measuring device which analyzes the transmittance of a solution detected by the a...