ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,716, issued on March 18, was assigned to CANON K.K. (Tokyo).

"Personal authentication apparatus, personal authentication method, and storage medium" was invented by Takayuki Komatsu (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A personal authentication apparatus comprises an acquisition unit configured to acquire an eyeball image of a user, an estimation unit configured to estimate, based on a ghost captured in the eyeball image, information on eyeglasses worn by the user, and an authentication unit configured to perform personal authentication on the user based on the eyeball image and the information on the eyeglasses."

The pa...