ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,299, issued on July 15, was assigned to Ricoh Co. Ltd. (Tokyo).
"Liquid discharge head and liquid discharge apparatus" was invented by Tomoko Kurosawa (Kanagawa, Japan), Eiri Sagae (Kanagawa, Japan), Makito Nakashima (Kanagawa, Japan) and Riku Maeshiro (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid discharge head includes a nozzle plate having a discharge port, and a valve facing the nozzle plate to open and close the discharge port. The valve includes a core having a recess, and an elastic member attached to the core. The recess has: an opening rim on a leading end of the core, the opening rim defining an opening of the re...