US Patent Issued to SMART WINDOW on Sept. 9 for "Tungsten oxide nanostructure thin films for electrochromic devices" (California Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,642, issued on Sept. 9, was assigned to SMART WINDOW INC. Ltd. (Kowloon, Hong Kong).

"Tungsten oxide nanostructure thin films for electrochromic devices" was invented by John H. Roudebush (Hayward, Calif.), Lina Zhu (Hayward, Calif.), Daniel Giaquinta (Hayward, Calif.), Hugues Duncan (Hayward, Calif.) and Howard Turner (Hayward, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a thin film is provided. The method includes providing a plurality of crystalline hexagonal tungsten trioxide particles, size-reducing the crystalline hexagonal tungsten trioxide particles by grinding to produce crystalline hexagonal tungsten tr...