ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,889, issued on June 23, was assigned to Seiko Epson Corp. (Tokyo).
"Liquid ejecting head and liquid ejecting apparatus" was invented by Naoto Yokoyama (Matsumoto, Japan), Masaki Mori (Shiojiri, Japan), Hitoshi Takaai (Azumino, Japan), Motoki Takabe (Shiojiri, Japan) and Toshihiro Shimizu (Fujimi-machi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejecting head may include a first electrode to which a reference voltage is applied, a second electrode to which a drive voltage is applied, a piezoelectric body provided between the first electrode and the second electrode and driven by a voltage difference between the reference voltage an...