ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,580, issued on Oct. 21, was assigned to AGC Inc. (Tokyo).
"Near-infrared cut filter and imaging apparatus" was invented by Takahiro Sakagami (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A near-infrared cut filter includes a transparent substrate having a first and a second surfaces, opposite to each other; and a dielectric multilayer film disposed on a side of the first surface. The dielectric multilayer film reflects light within a wavelength range of 700-750 nm. A mean regular transmittance T1 within a wavelength range of 700-750 nm measured when light is incident in the normal direction from the side of the second surface is 20...