ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,124, issued on April 14, was assigned to Seiko Epson Corp. (Tokyo).
"Print head and liquid ejection apparatus" was invented by Shunsuke Kasai (Minowa-machi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A print head includes an ejection module that ejects a liquid by receiving a corrected drive signal, wherein the ejection module includes a piezoelectric element including a piezoelectric body, the piezoelectric body being located between a first electrode and a second electrode, a pressure chamber substrate located on one side of the vibration plate in the stacked direction and provided with a pressure chamber whose volume changes due to def...