ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,543,143, issued on Feb. 3, was assigned to DENSO International America Inc. (Southfield, Mich.) and DENSO Corp. (Kariya, Japan).

"System and method for determining location" was invented by Kyle Cooper (Holland, Mich.) and Eric Smith (Plainwell, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Location information of a portable device with respect to an object is determined based on UWB communications and using a first path power. A differential first path power may also be determined based on first and second first path power values obtained respectively by first and second devices via UWB communications with the portable device."

The patent was fi...