ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,392, issued on Dec. 23, was assigned to HANKUK GLASS INDUSTRIES INC. (Seoul, South Korea).
"Transparent substrate provided with thin multilayer coating" was invented by Jin Woo Han (Seoul, South Korea) and Yeong Jae Yoo (Jeollabuk-do, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a transparent substrate with a multilayer thin film coating, in which the multilayer thin film coating includes a lower dielectric layer, a lower protective layer, a metal functional layer having an infrared reflection function, an upper protective layer, and an upper dielectric layer, which are sequentially laminated on the transparent substrate, t...