ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,296, issued on June 23, was assigned to Proterial Ltd. (Tokyo).

"Position detection device" was invented by Yohei Shirakawa (Tokyo) and Yuta Sugiyama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A position detection device for detecting a position of a rack shaft having a rack teeth portion that meshes with a pinion gear in a part in an axial direction, is provided with a capacitance member that is arranged around a periphery of the rack shaft and forms a capacitive load together with the rack shaft, and a calculation unit that calculates the position of the rack shaft based on a capacitance between the rack shaft and the capacitance member...