US Patent Issued to Toyota Motor Engineering & Manufacturing North America on July 21 for "Near infrared transmitting copper oxide nanoparticles" (Michigan Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,620, issued on July 21, was assigned to Toyota Motor Engineering & Manufacturing North America Inc. (Plano, Texas).

"Near infrared transmitting copper oxide nanoparticles" was invented by Songtao Wu (Ann Arbor, Mich.), Debasish Banerjee (Ann Arbor, Mich.) and Krishna Gunugunuri (Canton, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A black IR reflective or transmissive pigment from which LiDAR responsive black coatings can be formed where the pigment displays a Blackness My value similar to non-IR reflective carbon black. The CuO particles display small crystallites of less than 18 nm and an (-111)/(111) reflectance intensity ratio of less th...