ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,458, issued on April 29, was assigned to PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA (Torrance, Calif.).

"Device and method of video encoding with first and second encoding code" was invented by Hideyuki Ohgose (Osaka, Japan), Kiyofumi Abe (Osaka, Japan), Hiroshi Arakawa (Tokyo), Tatsuro Juri (Osaka, Japan) and Kazuhito Kimura (Shiga, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A video image encoding device, in a first mode, variable-length-encodes a residual coefficient to generate a coefficient code string, outputs the coefficient code string and the header information in a state in which the header information is associated wit...