US Patent Issued to RISO Technologies on Oct. 6 for "Liquid discharge head and liquid discharge device" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,530, issued on Oct. 6, was assigned to RISO Technologies Corp. (Tokyo).

"Liquid discharge head and liquid discharge device" was invented by Takashi Tozuka (Sunto Shizuoka, Japan) and Masato Fukasawa (Fuji Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to an embodiment, a liquid discharge head includes a base plate having an elongated hole therein. The elongated hole extends lengthwise in a first direction and laterally in a second direction perpendicular to the first direction. A corner portion of the elongated hole that is near an end of the elongated hole in the first direction is rounded or the end is semicircular. A piez...