ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,741, issued on Oct. 21, was assigned to KYOCERA Document Solutions Inc. (Osaka, Japan).
"Liquid ejection apparatus and determination method capable of determining whether or not liquid filling of pressure chamber has been completed" was invented by Daichi Kawano (Osaka, Japan), Takashi Inoue (Osaka, Japan), Keisuke Maeyama (Osaka, Japan), Tatsuya Nakagawa (Osaka, Japan), Satoshi Morimoto (Osaka, Japan) and Minori Yamamoto (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection apparatus includes a nozzle, a pressure chamber, a piezoelectric element, an output processing portion, and a determination processing portion. The nozz...