US Patent Issued to TOYOTA JIDOSHA on Sept. 22 for "Electrically powered vehicle and method of diagnosing deterioration of vehicle battery" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,831, issued on Sept. 22, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Electrically powered vehicle and method of diagnosing deterioration of vehicle battery" was invented by Kentaro Suzuki (Kariya Aichi-ken, Japan) and Yuta Sugiyama (Toyota Aichi-ken, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "When a PCU (inverter) of an electrically powered vehicle fails, a first map where a temperature and a current of a battery are defined as parameters or a second map where a temperature and a rate of change in voltage of the battery are defined as parameters is used to determine whether or not rapid deterioration of the battery has occurred....