ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,952, issued on June 3, was assigned to Canon K.K. (Tokyo).
"Antireflection coating material, optical member with antireflection coating, optical device, and image capturing apparatus" was invented by Hiroyuki Tanaka (Kanagawa, Japan) and Masaaki Nakabayashi (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical member 10 includes an antireflection coating 12 on a substrate 11. The antireflection coating 12 includes a resin layer 4 and a modified cross-section fiber 1 bound to the resin layer 4. The modified cross-section fiber includes a core and a plurality of protrusions 3 extending from the core. The protrusions 3 of the modifi...