ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,619, issued on March 18, was assigned to SEIKO EPSON Corp. (Japan).

"Vibration element, manufacturing method of vibration element, physical quantity sensor, inertial measurement device, electronic apparatus, and vehicle" was invented by Seiichiro Ogura (Minowa, Japan), Keiichi Yamaguchi (Ina, Japan), Masahiro Oshio (Shiojiri, Japan) and Takashi Yamazaki (Shiojiri, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vibration element includes a base and a vibrating arm extending from the base. The vibrating arm includes an arm positioned between the base and a weight. A weight film is disposed on the weight. The weight has a first principal surfa...