ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,989, issued on July 1, was assigned to RISO Technologies Corp. (Tokyo).
"Liquid ejection head" was invented by Noboru Nitta (Tagata Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head includes actuators spaced along a first direction between a first edge and a second edge of a substrate in a second direction. Individual wirings are connected to a first terminal of an actuator and has a terminal portion at the first edge of the substrate. A common wiring has a first portion and a plurality of second portions. Each second portion is branched from the first portion in the second direction and individually connects to a ...