ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,763, issued on June 3, was assigned to FUJIFILM Corp. (Tokyo).
"Laminated piezoelectric element and electroacoustic transducer" was invented by Tetsu Miyoshi (Minami-ashigara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object is to provide a laminated piezoelectric element capable of preventing a short circuit between adjacent piezoelectric films and an electroacoustic transducer using the laminated piezoelectric element. The object is solved by laminating a plurality of layers of piezoelectric films polarized in a thickness direction, in which a piezoelectric layer is interposed between two thin film electrodes, and causing polarization...