ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,115, issued on June 23, was assigned to SUMITOMO HEAVY INDUSTRIES LTD. (Tokyo).
"Superconducting magnet device" was invented by Yuta Ebara (Yokosuka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A superconducting magnet device includes a superconducting coil, a quenching protection circuit that is connected in parallel to the superconducting coil and that allows a current in one direction, and an excitation power supply that is connected to the superconducting coil with proper polarity determined such that a current flows in the one direction to the quenching protection circuit when quenching occurs in the superconducting coil, and excites t...