ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,485, issued on June 24, was assigned to Canon K.K. (Tokyo).
"Display device, operating device and image forming apparatus" was invented by Daisuke Yamamoto (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device includes a sheet on which a pattern is printed, a light source emitting light to brighten the pattern; and a light guide guiding the light emitted from the light source to the sheet. The light guide includes an incident surface provided at one end portion thereof in a longitudinal direction and an emission surface provided at the other end portion thereof. As viewed in the longitudinal direction, the incident surface...