ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,840, issued on March 25, was assigned to SII PRINTEK INC. (Chiba, Japan).

"Head chip, liquid jet head, and liquid jet recording device" 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 device each capable of achieving a reduction in size and an increase in nozzle density are provided. The head chip according to an aspect of the present disclosure includes a flow channel member having a flow channel formation area including a flow channel through which liquid flows, and a pressure chamber which is communicated with the flow channel, and in which t...