US Patent Issued to KYOCERA on Aug. 12 for "Piezoelectric actuator" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,389,802, issued on Aug. 12, was assigned to KYOCERA Corp. (Kyoto, Japan).

"Piezoelectric actuator" was invented by Wataru Kuroda (Kirishima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piezoelectric actuator includes a piezoelectric element, and a case accommodating the piezoelectric element. The case is deformable to conform with expansion or contraction of the piezoelectric element. The case includes a cylinder including a first end portion being open, and a first cap including a first end plate being circular and a first protrusion being annular. The first protrusion is located on a first surface of the first end plate and protrudes perpen...