ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,498, issued on March 17, was assigned to New Shicoh Motor Co. Ltd. (Jiashan, China).

"Stacked piezoelectric actuator with through-hole connection electrodes" was invented by Kei Onodera (Kanagawa, Japan) and Tomoyoshi Yano (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a piezoelectric actuator, a linear driving device, and an electronic device that achieve displacement of a drive shaft of a given magnitude even in a case where a low voltage is applied. A piezoelectric actuator includes a piezoelectric material composed of a stack of plate-shaped piezoelectric elements, the piezoelectric material being expandable and con...