US Patent Issued to Canon on Sept. 16 for "Liquid ejection head and liquid ejection apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,364, issued on Sept. 16, was assigned to Canon K.K. (Tokyo).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head and liquid ejection apparatus, which are capable of preventing deterioration in ink circulation efficiency in the vicinities of ejection ports, includes a common supply channel and a common collection channel as separate channels. Ink supplied from the common supply channel is supplied to pressure chambers through s...