US Patent Issued to Canon on July 8 for "Liquid ejection head" (Japanese Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,940, issued on July 8, was assigned to Canon K.K. (Tokyo).

"Liquid ejection head" was invented by Takashi Kato (Kanagawa, Japan) and Yoshiyuki Nakagawa (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The liquid ejection head includes a substrate having a first surface and a second surface which is a back surface of the first surface, a plurality of individual channels provided on the first surface, communicating with the ejection port, and recirculating the liquid, and a circulation channel communicating with the plurality of individual channels and recirculating the liquid. The circulation channel is provided on the first surface and...