US Patent Issued to SEIKO EPSON on July 22 for "Liquid ejecting apparatus" (Japanese Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,181, issued on July 22, was assigned to SEIKO EPSON Corp. (Japan).

"Liquid ejecting apparatus" was invented by Eiichiro Watanabe (Matsumoto, Japan), Hiroaki Okui (Azumino, Japan) and Yu Hasegawa (Shiojiri, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejecting apparatus includes a liquid ejection head, a circulation control section that controls a circulation operation of circulating the liquid in the first individual flow path, and a minute vibration control section that supplies a drive signal having a first waveform to the first piezoelectric element so as to control a minute vibration operation of causing the liquid in the first ...