ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,370, issued on May 20, was assigned to PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA (Torrance, Calif.).

"Encoder, encoding method, decoder, and decoding method" was invented by Masato Ohkawa (Toyama, Japan), Hideo Saitou (Ishikawa, Japan), Tadamasa Toma (Osaka, Japan), Takahiro Nishi (Nara, Japan), Kiyofumi Abe (Osaka, Japan) and Ryuichi Kanoh (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An encoder that encodes a current block in a picture includes circuitry and memory. Using the memory, the circuitry: performs a first transform on a residual signal of the current block using a first transform basis to generate first transf...