ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,274, issued on April 15, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).
"Fluid control device" was invented by Yutoku Kawabata (Kyoto, Japan) and Nobuhira Tanaka (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid control device has a housing. A first main plate of the housing includes a vibration portion, on which a drive body is disposed, having a rotationally symmetric shape in plan view, and multiple openings which is formed outside the vibration portion and through which a pump chamber and the outside communicate with each other. A second main plate includes an opening through which the pump chamber and the outsid...