ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,647, issued on April 21, was assigned to Citpo Technologies Co. Ltd. (Taipei, Taiwan).

"Three-directional accelerometer and manufacturing method thereof" was invented by Chun-Yi Liao (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are a three-directional accelerometer and a method for manufacturing the same. The three-directional accelerometer includes a three-layer frame, a core mass, three sets of spring leaves and three sets of optic fiber Bragg gratings (FBG's). The spring leaves that react to seismic motion of the mass are aligned perpendicular to one another in three dimensions. The spring leaves are significant...