ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,674, issued on Sept. 23, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Battery failure determination device" was invented by Kosuke Nishioka (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A battery failure determination device that determines a failure of a second battery based on presence or absence of an electric discharge from the second battery when an output voltage of a DCDC converter is temporarily lowered in a power source circuit in which electric power is supplied to a load by the second battery and in which electric power is supplied to the load by a voltage stepped down or boosted by the DCDC converter from a firs...