ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,946, issued on May 20, was assigned to DISCO Corp. (Tokyo).

"Ultrasonically activated water ejector" was invented by Xiaoming Qiu (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ultrasonically activated water ejector includes a cylindrical water reservoir section configured to temporarily hold water, an ejection nozzle that ejects the water from a lower part of the water reservoir section, a dome-shaped ultrasonic vibration plate disposed in an upper part of the water reservoir section, facing the ejection nozzle, and having a concave spherical surface on a lower side thereof, and a water supply portion having a supply inlet configured to s...