US Patent Issued to TOPPAN HOLDINGS on April 7 for "Optical structure, manufacturing method thereof, and code forming method" (Japanese Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,901, issued on April 7, was assigned to TOPPAN HOLDINGS INC. (Tokyo).

"Optical structure, manufacturing method thereof, and code forming method" was invented by Terumine Iino (Tokyo) and Tomomi Kawahara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided an optical structure that can form a code that is difficult to counterfeit and compatibly has both a high readability and a fine appearance. The optical structure of the present invention includes a reflecting layer having regular reflectivity, and a print layer stacked on at least a part of the reflecting layer, the print layer functioning as a scattering reflector having scatte...