ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,514, issued on Jan. 27, was assigned to HIROSHIMA UNIVERSITY (Hiroshima, Japan).

"Percutaneous extracellular impedance control device" was invented by Ayumu Matani (Hiroshima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for controlling percutaneously extracellular impedance according to an aspect of the present disclosure includes a terminal pair to which an electrode pair is to be connected, the electrode pair being attached to a subject's body surface to capture a subject's bioelectrical potential, wherein the device adds negative impedance of which resistance and reactance components are adjustable to the electrode pair via the ...