US Patent Issued to RICOH on March 18 for "Liquid discharge head, liquid discharge unit, and liquid discharge apparatus" (Japanese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,935, issued on March 18, was assigned to RICOH COMPANY LTD. (Tokyo).

"Liquid discharge head, liquid discharge unit, and liquid discharge apparatus" was invented by Yukimasa Matsuda (Kanagawa, Japan) and Keishi Miwa (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid discharge head includes: multiple pressure chambers respectively communicating with multiple nozzles from each of which a liquid is discharged; a diaphragm defining a part of a wall of the multiple pressure chambers; an electromechanical conversion element attached to the diaphragm, the electromechanical conversion element configured to deform the diaphragm to disch...