ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,409, issued on July 14, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Power supply system" was invented by Yohei Hosokawa (Susono, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power supply system includes: a first battery; a second battery having the same configuration as the first battery; auxiliary equipment connected to a low-voltage power line connected to an auxiliary battery; a series-parallel switching circuit configured to switching connection of the first and second batteries between series connection and parallel connection by turning on and off a plurality of relays; and a power converter connected to the series-parallel...