ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,389, issued on Dec. 2, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Solar charging system" was invented by Yukinori Murakami (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A solar charging system includes a first battery, a second battery, and processing circuitry. The processing circuitry charges the second battery by supplying electric power from the first battery to the second battery when a state of charge of the first battery is greater than or equal to a prescribed upper limit value, and charges the first battery by stopping supply of electric power from the first battery to the second battery when the state of charge of...