ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,951, issued on Nov. 4, was assigned to SEIKO EPSON Corp. (Japan).
"Vibration device" was invented by Masahiro Fujii (Shiojiri, Japan) and Ryuichi Kurosawa (Hara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vibration device includes a base, a vibrator disposed at the base, an annular resin element that is bonded to the base and surrounds the vibrator in a plan view, and a lid so disposed that the vibrator is sandwiched between the base and the lid. A first metal layer is disposed at a surface of the resin element, the surface facing the lid. A second metal layer is disposed at a surface of the lid, the surface facing the resin element. The ...