ALEXANDRIA, Va., May 26 -- United States Patent no. 12,639,795, issued on May 26, was assigned to Magnolia White Corp. (Tokyo).

"Detection device and detection system" was invented by Tomoyuki Ishihara (Tokyo) and Yoshihiro Akahira (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to an aspect, a detection device includes: a light source; an optical sensor comprising a plurality of photodiodes configured to output pixel data corresponding to amounts of light received by the photodiodes; a light-transmitting placement substrate that is configured to be placed between the light source and the optical sensor and includes a portion configured to have an object to be detected placed thereon; a stora...