US Patent Issued to TDK on April 14 for "Laminated piezoelectric element" (Japanese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,604,666, issued on April 14, was assigned to TDK Corp. (Tokyo).

"Laminated piezoelectric element" was invented by Satoshi Miyazaki (Tokyo), Yasuyuki Satoh (Tokyo) and Keiji Oguchi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A laminated piezoelectric element has excellent suppression effect on characteristics deterioration caused by a pyroelectric effect. Inside an element main body are a first internal electrode, a piezoelectric layer, and a second internal electrode that has different polarity from the first internal electrode, which are repeatedly layered a plurality of times along the lamination direction. A first external electrode is for...