US Patent Issued to NEC on July 14 for "Superconducting quantum circuit" (Japanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,685,033, issued on July 14, was assigned to NEC Corp. (Tokyo).

"Superconducting quantum circuit" was invented by Ryoji Miyazaki (Tokyo), Aiko Yamaguchi (Tokyo) and Tomohiro Yamaji (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A superconducting quantum circuit includes first to fourth qubits, and a coupler including first and second electrodes and a nonlinear element bridging the first and second electrodes, wherein each of the first to fourth qubits includes a resonator including a SQUID loop circuit and a capacitor connected in parallel to the loop circuit, the first and second qubits and the third and fourth qubits capacitively coupled to the ...