ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,251, issued on Aug. 26, was assigned to SEIKO EPSON Corp. (Tokyo).
"Fluid device" was invented by Keita Kubo (Matsumoto, Japan), Chikara Kojima (Matsumoto, Japan), Tomohide Onogi (Shiojiri, Japan) and Mitsuru Miyasaka (Shiojiri, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid device includes: a flow path through which a fluid flows; and an ultrasonic wave application device including an ultrasonic element that transmits an ultrasonic wave, in which the flow path has, as flow path wall surfaces, an ultrasonic wave application surface that applies, to the fluid, the ultrasonic wave transmitted from the ultrasonic element, and a reflection...