US Patent Issued to NEC on June 23 for "Superconducting circuit and quantum computer" (Japanese Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,664,454, issued on June 23, was assigned to NEC Corp. (Tokyo).

"Superconducting circuit and quantum computer" was invented by Masahiro Hasegawa (Tokyo), Tsuyoshi Yamamoto (Tokyo) and Yoshihito Hashimoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A superconducting circuit and a quantum computer capable of implementing four-body interaction while reducing an amount of hardware are provided. A superconducting circuit (1) includes four superconducting qubit circuits (10), a coupling circuit (20) inductively coupled to the four superconducting qubit circuits (10). Each of the superconducting qubit circuits (10) indicates a qubit by being in a firs...