US Patent Issued to SEIKO EPSON on Dec. 30 for "Injection-molded article of polymer piezoelectric material, piezoelectric element, apparatus for manufacturing injection-molded article of polymer piezoelectric material, and method for manufacturing injection-molded article of polymer piezoelectric material" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,514,125, issued on Dec. 30, was assigned to SEIKO EPSON Corp. (Japan).

"Injection-molded article of polymer piezoelectric material, piezoelectric element, apparatus for manufacturing injection-molded article of polymer piezoelectric material, and method for manufacturing injection-molded article of polymer piezoelectric material" was invented by Takayuki Yonemura (Suwa, Japan), Akihiko Tsunoya (Okaya, Japan) and Koichi Murayama (Chino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An injection-molded article of polymer piezoelectric material includes: a helical chiral polymer constituted by a polymer chain and having a unit cell with an a-axis, a...