ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,349, issued on July 28, was assigned to SHIMADZU Corp. (Kyoto, Japan) and OPTOHUB Co. LTD. (Tomi, Japan).

"Magnetic detection device" was invented by Yatsuse Majima (Kyoto, Japan), Akira Nagumo (Saitama, Japan) and Hiroshi Takano (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "This magnetic detection device is provided with a plurality of magnetic sensors each including an excitation coil, a signal coil, and magnetic core layer, a driving circuit, and a detection circuit. A first axis sensor unit is constituted by at least two magnetic sensors out of the plurality of magnetic sensors, the at least two magnetic sensors being each arran...