US Patent Issued to Panasonic Intellectual Property Management on Nov. 18 for "Optical filter, ir sensor, and light emitting device" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,512, issued on Nov. 18, was assigned to Panasonic Intellectual Property Management Co. Ltd. (Osaka, Japan).

"Optical filter, ir sensor, and light emitting device" was invented by Tatsuro Yoshioka (Osaka, Japan), Natsuki Sato (Osaka, Japan), Naoki Kurizoe (Osaka, Japan) and Ryosuke Sawa (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an optical filter including: a matrix including an inorganic substance having a water solubility of 0.4 g/100 g-H2O or less; and a wavelength selective absorption material dispersed in the matrix. The optical filter absorbs an optical component having a wavelength of any band in a target waveleng...