US Patent Issued to Canon on April 14 for "Liquid ejection apparatus and liquid ejection control method" (Japanese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,125, issued on April 14, was assigned to Canon K.K. (Tokyo).

"Liquid ejection apparatus and liquid ejection control method" was invented by Takatsugu Moriya (Tokyo) and Keiji Tomizawa (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a liquid ejection apparatus, density unevenness of initial ejection from ejection openings after ejection stop can be reduced in a region in which printing is performed by relative movement of an ejection head. The liquid ejection apparatus includes: an ejection head including ejection openings, pressure chambers communicating with the ejection openings, and a flow path communicating with each pressure...