US Patent Issued to NEC on June 30 for "Superconducting quantum circuit apparatus having coupler including at least one Josephson junction" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,416, issued on June 30, was assigned to NEC Corp. (Tokyo).

"Superconducting quantum circuit apparatus having coupler including at least one Josephson junction" was invented by Tomohiro Yamaji (Tokyo) and Ryoji Miyazaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A superconducting quantum circuit apparatus includes first through fourth qubits; and a coupler arranged in a region surrounded by a ground plane. The coupler includes: first and second electrodes opposed to each other; and a nonlinear element including at least one Josephson junction bridged between the first electrode and the second electrode between the first and second electrod...