US Patent Issued to Canon on June 3 for "Liquid ejection recording element unit and method for producing same" (Japanese Inventor)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,058, issued on June 3, was assigned to Canon K.K. (Tokyo).

"Liquid ejection recording element unit and method for producing same" was invented by Naoya Tsukamoto (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection recording element unit includes a first substrate provided with a first partition wall that demarcates a first flow channel including an ejection port of a liquid and an energy generating portion that generates energy for ejecting the liquid from the first flow channel; and a second substrate provided with a second partition wall that demarcates a second flow channel including a supply port of the liquid, the s...