ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,248, issued on June 17, was assigned to EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY (Shanghai) and SUZHOU KUNHUANG NEW MATERIAL TECHNOLOGY Co. LTD. (Jiangsu, China).
"Multi-stable and erasable anti-counterfeiting technology with controlled reflection color and application thereof in optical coding" was invented by Weihong Zhu (Shanghai), Zhigang Zheng (Shanghai), Huijun Li (Shanghai) and Honglong Hu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a novel multi-stable and erasable anti-counterfeiting technology with controlled reflection color and the application thereof in optical coding. The method and ...