ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,346, issued on Jan. 27, was assigned to SEIKO EPSON Corp. (Tokyo).

"Fluidic device and method for controlling fluidic device" was invented by Tomohide Onogi (Shiojiri, Japan) and Chikara Kojima (Matsumoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluidic device 10 includes: a channel 20 that extends along an X axis and through which a fluid S flows; a standing wave generation part 30 that generates a standing wave SW transmitting along a Y axis in the fluid S in the channel 20; a transmission and reception part 40 that transmits an ultrasonic wave to the fluid S in the channel 20 and receives the ultrasonic wave transmitted through the...