ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,394,579, issued on Aug. 19, was assigned to FUJIFILM Corp. (Tokyo).

"Press button structure of ultrasonic diagnostic apparatus" was invented by Masato Eda (Chiba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A press button structure includes a substrate, a movable contact member, a guide member, and a cap member composed of an upper cap member and a lower cap member. The movable contact member includes a base, a protrusion having a lower face including a movable contact, and an elastic member connecting the base and the protrusion. The guide member is cylindrical and is disposed to surround a side of the protrusion. The lower cap member covers t...