ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,032, issued on May 6, was assigned to Ricoh Co. Ltd. (Tokyo).

"Flow-through printhead" was invented by Nasser Budraa (La Crescenta, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Printheads that jet print fluids. In an embodiment, a flow-through printhead comprises a plurality of jetting channels arranged in a first row and a second row generally in parallel along a length of the printhead, where each of the jetting channels includes a diaphragm, a pressure chamber, and a nozzle configured to jet a print fluid. The flow-through printhead further comprises a first manifold fluidly coupled to the jetting channels in the first row, and a second ...