ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,144, issued on June 2, was assigned to THE UNIVERSITY OF TOKYO (Tokyo), PUBLIC UNIVERSITY CORPORATION NAGOYA CITY UNIVERSITY (Aichi, Japan) and RIKEN (Saitama, Japan).

"Fluorescent probe for detection of ENPP activity" was invented by Yasuteru Urano (Tokyo), Toru Komatsu (Tokyo), Shingo Sakamoto (Tokyo), Hiroyuki Noji (Tokyo), Hidehiko Nakagawa (Aichi, Japan), Mitsuyasu Kawaguchi (Aichi, Japan) and Rikiya Watanabe (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a novel fluorescent probe.A compound of the following general formula (I) or a salt thereof."

The patent was filed on June 8, 2020, under Application No. 17/616,784...