ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,475, issued on Sept. 15, was assigned to NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Tokyo).

"Luminescent substrate compound" was invented by Ryo Nishihara (Ibaraki, Japan) and Ryoji Kurita (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a novel compound or the like useful as a luminescent molecule serving as a substrate for a human-derived protein. The compound according to the present invention is a compound represented by the following formula [I], or a salt thereof, or a hydrate or solvate thereof."

The patent was filed on March 17, 2021, under Application No. 17/911,452.

*Fo...