US Patent Issued to AGC on Sept. 15 for "Optical filter" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,726, issued on Sept. 15, was assigned to AGC Inc. (Tokyo).

"Optical filter" was invented by Kazuhiko Shiono (Fukushima, Japan) and Takashi Nagata (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical filter, includes: a substrate, a dielectric multilayer film 1 laid on or above one major surface of the substrate, and a dielectric multilayer film 2 laid on or above the other major surface of the substrate, in which the substrate includes a near infrared ray absorbing glass and a resin film, the resin film includes a resin and a pigment (NIR1), and the optical filter satisfies all of spectral characteristics (i-1) to (i-3), (i-6)...