ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,440, issued on Nov. 4, was assigned to NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCE (Otsu, Japan).

"Electricity supplier" was invented by Tohru Tani (Otsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power supply device in which a device shaft provided with a power receiver is inserted in a through-hole of a port site, which is capable of supplying electric power to the power receiver at a low cost and enabling fine operation of the device shaft. The power supply includes a port site; first terminals provided on an inner surface of the through-hole; wires that connect the first terminals and a power source; a device ...