ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,944, issued on June 17, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Refrigerant circuit apparatus evaluation system" was invented by Shuji Fujimoto (Osaka, Japan), Akihiro Inao (Osaka, Japan), Shizuka Sadai (Osaka, Japan) and Shinichi Kasahara (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Providing a refrigerant circuit apparatus evaluation system, which, when a plurality of refrigerant circuit apparatuses is installed, may accurately determine whether a heat source unit of each refrigerant circuit apparatus adversely affects the operation of a different refrigerant circuit apparatus. A refrigerant circuit apparatus evalua...