ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,358, issued on Sept. 8, was assigned to SOMAR Corp. (Tokyo).
"Lens hood" was invented by Naoki Sakazume (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lens hood has an antireflection film for shielding an unnecessary light entering a photographic lens of a camera. Here, (A) indicates a resin component, (B) unevenness forming particles, (B1) inorganic-type small particles having a particle diameter (d1) of 0.05 micro metre to 0.4 micro metre, (B2) inorganic-type large particles having a particle diameter (d2) of 2 micro metre to 6 micro metre, and (C) a diluent solvent. The antireflection film is a membrane formed from a liquid composition v...