US Patent Issued to Canon on Oct. 28 for "Liquid ejection head and liquid ejection apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,136, issued on Oct. 28, was assigned to Canon K.K. (Tokyo).

"Liquid ejection head and liquid ejection apparatus" was invented by Ryo Sato (Tokyo), Kyosuke Toda (Kanagawa, Japan), Takeho Miyashita (Kanagawa, Japan), Shimpei Yoshikawa (Kanagawa, Japan) and Chiaki Muraoka (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a circulation channel, which is configured at least with an ejection unit, a first pressure adjusting unit, a second pressure adjusting unit, a pump, and a temperature adjusting unit, liquid supplied from the outside flows into the first pressure adjusting unit and then flows out of the first pressure adjusting unit int...