US Patent Issued to SEIKO EPSON on March 31 for "Liquid ejecting head and liquid ejecting apparatus" (Japanese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,590, issued on March 31, was assigned to SEIKO EPSON Corp. (Japan).

"Liquid ejecting head and liquid ejecting apparatus" was invented by Yu Shiozawa (Shiojiri, Japan), Motoki Takabe (Shiojiri, Japan) and Hitoshi Takaai (Azumino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejecting head includes: a nozzle; a piezoelectric material; an upper electrode located over the piezoelectric material and electrically coupled to the piezoelectric material; a lower electrode located under the piezoelectric material and electrically coupled to the piezoelectric material; upper-electrode wiring located over the upper electrode and configured to e...