US Patent Issued to Seiko Epson on Jan. 28 for "Head chip, liquid ejecting head, and liquid ejecting apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,208,617, issued on Jan. 28, was assigned to Seiko Epson Corp. (Tokyo).

"Head chip, liquid ejecting head, and liquid ejecting apparatus" was invented by Hiroaki Okui (Azumino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a head chip including: a first-nozzle; a second-nozzle; a first-pressure-chamber communicating with the first-nozzle; a second-pressure-chamber communicating with the first-nozzle; a third-pressure-chamber communicating with the second-nozzle; a fourth-pressure-chamber communicating with the second-nozzle; a first-piezoelectric-body generating a pressure in the first-pressure-chamber; a second-piezoelectric-body...