ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,522, issued on April 8, was assigned to PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA (Torrance, Calif.).

"Encoder and decoder that selects a context model based on availability of blocks and prediction mode to be applied to the blocks" was invented by Chong Soon Lim (Singapore), Hai Wei Sun (Singapore), Jing Ya Li (Singapore), Han Boon Teo (Singapore), Ru Ling Liao (Singapore), Che Wei Kuo (Singapore), Tadamasa Toma (Osaka, Japan), Takahiro Nishi (Nara, Japan) and Kiyofumi Abe (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An encoder includes circuitry and memory coupled to the circuitry. The circuitry, in operation, determin...