ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,547,246, issued on Feb. 10, was assigned to Canon K.K. (Tokyo).
"Ring-type device" was invented by Keita Kondo (Tokyo), Yusuke Hokari (Tokyo), Kenichi Nishimura (Tokyo), Akari Komma (Tokyo), Yuka Tani (Tokyo) and Hitomi Ogasawara (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ring-type device to be worn on a user's finger includes an annular body having an inner surface surrounding a wearing space and an outer surface opposite the inner surface, a first operating portion provided on the outer surface, second operating portions provided on the outer surface at a position different from the first operating portion, and a rib provided be...