ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,048, issued on March 24, was assigned to KURARAY Co. LTD. (Kurashiki, Japan).
"Diffusion plate of micro array type" was invented by Keisuke Ikeda (Kamisu, Japan), Atsushi Uchida (Kamisu, Japan) and Masaru Karai (Kamisu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Lenses are arrayed in a lattice on an array surface of a microlens array. A lens has a convex surface that is cylindrical throughout sections that are parallel to a lattice direction of the lens and are orthogonal to the array surface. In each of meridians of the sections parallel to the lattice direction of the lens, a sag amount is corrected so as to increase an inclination of a...