ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,690, issued on Nov. 18, was assigned to Seiko Epson Corp. (Tokyo).
"Material supply device" was invented by Masayuki Gozu (Ina, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The material supply device includes a material reservoir that has a supply port and that stores a plasticization material and a supply mechanism that adjusts the amount of plasticization material supplied from an input port to the outside, wherein the supply mechanism includes a sliding member that is provided between the supply port and the input port and in which is provided a through hole, and a slide drive section that slides the sliding member along an intersecting d...