ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,711, issued on Jan. 27, was assigned to ZHEJIANG UNIVERSITY (Hangzhou, China).

"Inorganic multi-color transmission electrochromic films, electrochromic coated glass electrodes and the design method" was invented by Yong Liu (Hangzhou, China), Ziqiang Cheng (Hangzhou, China), Gaorong Han (Hangzhou, China) and Jianliang Mo (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses an inorganic multi-color transmission electrochromic film, coated glass and a design method. The coated glass comprises a glass substrate and the inorganic multi-color transmission electrochromic film stacked in sequence. The inorganic mu...