ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,881, issued on Jan. 27, was assigned to SII PRINTEK INC. (Chiba, Japan).
"Head chips and related devices for inkjet printers" was invented by Hitoshi Nakayama (Chiba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A head chip, a liquid jet head, and a liquid jet recording devices each capable of increasing the generated pressure while achieving an increase in manufacturing efficiency and yield ratio are provided. The head chip includes a flow channel member provided with a pressure chamber containing a liquid, an actuator plate on the flow channel member in a state of being opposed in a first direction to the pressure chamber, and a drive elec...