US Patent Issued to NIPPON TELEGRAPH AND TELEPHONE on March 18 for "Mask estimation device, mask estimation method, and mask estimation program" (Japanese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,250, issued on March 18, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Mask estimation device, mask estimation method, and mask estimation program" was invented by Tomohiro Nakatani (Musashino, Japan), Marc Delcroix (Musashino, Japan), Keisuke Kinoshita (Musashino, Japan), Nobutaka Ito (Musashino, Japan) and Shoko Araki (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mask estimation apparatus includes processing circuitry configured to estimate, for a target segment to be processed among a plurality of segments of a continuous time, a first mask which is an occupancy ratio of a target signal to an observation sig...