US Patent Issued to RISO Technologies on Dec. 2 for "Liquid ejection head" (Japanese Inventor)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,674, issued on Dec. 2, was assigned to RISO Technologies Corp. (Tokyo).

"Liquid ejection head" was invented by Tetsuya Sato (Yokohama Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, a liquid ejection head includes an actuator with pressure chambers, a first common chamber on a first side of the pressure chambers, a second common chamber on a second side of the pressure chambers, and a manifold providing a first liquid flow path above the first common chamber, a first cooling flow path above the second common chamber, and a second liquid flow path above the first cooling flow path. The second liquid flow pat...