US Patent Issued to ZHONGCHAO SPECIAL SECURITY TECHNOLOGY, CHINA BANKNOTE PRINTING AND MINTING on Sept. 16 for "Optical anti-counterfeiting element and optical anti-counterfeiting product" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,377, issued on Sept. 16, was assigned to ZHONGCHAO SPECIAL SECURITY TECHNOLOGY Co. LTD (Beijing) and CHINA BANKNOTE PRINTING AND MINTING CORP. (Beijing).

"Optical anti-counterfeiting element and optical anti-counterfeiting product" was invented by Weiwei Zhang (Beijing) and Chunhua Hu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides an optical anti-counterfeiting element and an optical anti-counterfeiting product, the optical anti-counterfeiting element includes: a substrate (2) having a first surface and a second surface opposite to each other; a microstructure formation layer (3) formed on the first surface, the mic...