ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,551, issued on Sept. 1, was assigned to ARKRAY Inc. (Kyoto, Japan).

"Method for electrochemically measuring oxidoreductase using a biosensor, and biosensor used therein" was invented by Kotaro Shinozaki (Kyoto, Japan), Misaki Oga (Kyoto, Japan) and Toshiyuki Mikami (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for electrochemically measuring an amount of an oxidoreductase using a biosensor which includes a conductive part including two or more electrodes, and a reagent layer that is in contact with the conductive part and includes a substrate of the oxidoreductase and two or more types of mediators. A first mediator transfers...