ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,779,876, issued on Nov. 3, was assigned to KYOCERA Corp. (Kyoto, Japan).

"Thermal head and thermal printer" was invented by Naoto Matsukubo (Kirishima, Japan), Hidetaka Sonobata (Kirishima, Japan), Taiki Asayama (Kirishima, Japan), Tadayasu Komura (Tokyo) and Kenji Nakai (Kirishima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A thermal head includes a substrate, a heat storage layer located on the substrate, and a heat generating part located on the heat storage layer. A transport direction of a recording medium is defined as a first direction, a direction opposite to the first direction is defined as a second direction, and in the heat storage ...