ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,375, issued on May 20, was assigned to FUJIFILM Corp. (Tokyo).
"Method of manufacturing optical element" was invented by Katsumi Sasata (Minamiashigara, Japan), Akiko Watano (Minamiashigara, Japan), Hiroshi Sato (Minamiashigara, Japan) and Yukito Saitoh (Minamiashigara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method of manufacturing an optical element in which aligning properties of an alignment pattern in a photo-alignment film is improved such that alignment defects of a liquid crystal compound in a liquid crystal layer can be suppressed. The method of manufacturing an optical element includes: an exposure step of perfor...