ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,511,511, issued on Dec. 30, was assigned to Magnolia White Corp. (Tokyo).
"Detection device" was invented by Tomoyuki Ishihara (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to an aspect, a detection device includes: a light-transmitting light guide plate that has a first surface on one side in a first direction and on which an object to be detected is to be placed so as to overlap the first surface; an optical sensor that is disposed on the other side in the first direction with respect to the light guide plate so as to overlap the light guide plate and includes photodiodes; a light source that is adjacent to the light guide plate in a...