ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,660, issued on Sept. 15, was assigned to CANON K.K. (Tokyo).

"Communication apparatus for determining transmission destination by distance measurement and determination of presence or absence of obstacle, control method therefor, and system" was invented by Kohei Asano (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A communication apparatus capable of determining the presence or absence of an obstacle between devices while achieving highly accurate distance measurement. The communication apparatus communicates with a distance measurement device. The communication apparatus outputs, at a constant interval, an advertisement packet in...