ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,139, issued on March 3, was assigned to Canon K.K. (Tokyo) and Canon Medical Systems Corp. (Tochigi, Japan).

"Method analysis employing measurement based on polarization anisotropy" was invented by Norishige Kakegawa (Tokyo), Takahiro Masumura (Tochigi, Japan), Fumio Yamauchi (Kanagawa, Japan), Kengo Kanazaki (Kanagawa, Japan), Tomohiro Nakamura (Saitama, Japan), Ikuo Nakajima (Tokyo) and Teigo Sakakibara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "To perform measurement based on polarization anisotropy in which a reaction between a target substance and a luminescent reagent is performed within a short period of time, and in which high-sen...