ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,754, issued on Oct. 14, was assigned to Sony Interactive Entertainment Inc. (Tokyo).

"Input device" was invented by Kazuyuki Suzuki (Kanagawa, Japan) and Masaho Morita (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An input device includes an exterior member having an opening formed therein; an input member that has an upper surface to be touched by a user with a finger and that is disposed inside the opening; and a light diffusing member having a light emitting surface located along an outer edge of the input member, where the light emitting surface has a first region exposed in a gap between an inner edge of the opening of the exterior memb...