ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,089, issued on July 14, was assigned to Seiko Epson Corp. (Tokyo).

"Liquid ejecting head unit and liquid ejecting apparatus" was invented by Manabu Taniguchi (Shiojiri, Japan), Takanori Aimono (Matsumoto, Japan), Akinori Taniuchi (Matsumoto, Japan), Masashi Fujioka (Minowa-machi, Japan) and Eiichiro Watanabe (Matsumoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The first nozzle includes a first portion and a second portion. The second nozzle includes a third portion and a fourth portion. The capacity of the first portion is smaller than the capacity of the second portion. The capacity of the third portion is smaller than the capacity of t...