ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,591, issued on Aug. 12, was assigned to NTT INNOVATIVE DEVICES Corp. (Kanagawa, Japan).
"Arithmetic circuit" was invented by Kenji Kawai (Tokyo), Ryo Awata (Yokohama, Japan), Kazuhito Takei (Yokohama, Japan) and Masaaki Iizuka (Yokohama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An arithmetic circuit includes an LUT generation circuit (1) that, when coefficients c[n] (n=1.., N) are paired two by two, outputs a value calculated for each of the pairs, and a distributed arithmetic circuit (2-m) that calculates values y[m] of product-sum arithmetic, by which data x[m, n] of a data set X[m] containing M pairs of data x[m, n] is multiplied by t...