US Patent Issued to MITSUBISHI ELECTRIC on July 1 for "Battery deterioration diagnosis device and battery deterioration diagnosis method" (Japanese Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,772, issued on July 1, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Battery deterioration diagnosis device and battery deterioration diagnosis method" was invented by Seiji Hirai (Tokyo) and Tomoki Takegami (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "After the temperature of a battery rises to a predetermined diagnosis temperature, a charge/discharge control unit controls a charge/discharge circuit to charge or discharge the battery. A current-voltage detection unit detects current and voltage of the battery during a period in which the battery is charged or discharged. A differential voltage calculation unit calculates a differentia...