ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,793, issued on Dec. 9, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Control device" was invented by Tomoki Ito (Toyota, Japan) and Yuki Sugo (Seto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The control device includes a control unit that controls power supply from a main battery of the vehicle to a sub battery, and a calculation unit that calculates an estimated value of a full charge capacity of the main battery. When the error between the full charge capacity and the estimated value is larger than the predetermined value, the control unit calculates a power supply duration in which the power supply of the sub-battery to the load...