US Patent Issued to FUJIFILM on Nov. 11 for "Piezoelectric film comprising a polymer-based piezoelectric composite material providing satisfactory acoustic characteristic and durability" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,471,496, issued on Nov. 11, was assigned to FUJIFILM Corp. (Tokyo).

"Piezoelectric film comprising a polymer-based piezoelectric composite material providing satisfactory acoustic characteristic and durability" was invented by Yoshinori Tamada (Minamiashigara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a piezoelectric film capable of realizing an electroacoustic conversion film or the like in which the durability is high and a sufficient sound pressure with respect to an input operating voltage is obtained. The object is achieved by providing a piezoelectric film including a polymer-based piezoe...