ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,446,475, issued on Oct. 14, was assigned to NEC Corp. (Tokyo).
"Quantum device" was invented by Katsumi Kikuchi (Tokyo), Akira Miyata (Tokyo), Takanori Nishi (Tokyo), Kenji Nanba (Tokyo) and Ayami Yamaguchi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quantum device according to an example embodiment includes: a quantum chip with a first surface and a second surface located on a side opposite to the first surface, in the quantum chip, at least a part of a qubit circuit being provided on the second surface; a first interposer with a third surface and a fourth surface located on a side opposite to the third surface, the first interposer being c...