ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,784, issued on Sept. 30, was assigned to KONICA MINOLTA INC. (Tokyo).

"Liquid droplet ejection device and liquid feeding method" was invented by Hikaru Hamano (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid droplet ejection device including: a liquid droplet ejection head including a nozzle, a supply channel, a discharge channel, a filter, and a communicating channel; and a liquid feeder that performs a liquid feeding operation causing the liquid in the supply channel and the discharge channel to flow in the liquid feeding direction. A mesh diameter of the filter is smaller than an aperture diameter of the nozzle, and the li...