ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,748,161, issued on Sept. 29, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Abnormality detection method and abnormality detection device" was invented by Kosuke Nishioka (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An abnormality detection method of a sub battery (LFP type battery) for backing up a main battery that includes the steps of charging the sub battery to a fully charged state, discharging a predetermined current amount from the fully charged sub battery, maintaining the sub battery in a state where the current becomes equal to or less than a predetermined value until a predetermined time elapses, discharging a detect...