ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,242, issued on Sept. 23, was assigned to MINEBEA MITSUMI Inc. (Nagano, Japan).
"Strain gauge" was invented by Toshiaki Asakawa (Nagano, Japan), Masaki Kitazono (Tokyo) and Eiji Misaizu (Nagano, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A strain gauge includes: a flexible substrate; a resistor formed on one side of the substrate; a pair of terminal parts electrically connected to both ends of the resistor; and a plurality of resistance value tuning wires configured to tune the resistance value between the pair of terminal parts. In this strain gauge, the plan shape of the resistor is a spiral shape formed by two linear resistance wires ab...