ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,336, issued on March 24, was assigned to Magnolia White Corp. (Tokyo).
"Detection device" was invented by Ayato Kitamura (Tokyo) and Yuta Haga (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to an aspect, a detection device includes: a first light source configured to emit light having a predetermined wavelength; a second light source configured to emit light having a wavelength different from that of light emitted by the first light source; optical sensors provided at different locations from each other and configured to measure the light emitted by the first light source and the second light source; a light quantity controller con...