The United States Patent and Trademark Office (USPTO) has granted patent US12583328B2 for a precharge apparatus to ISUZU MOTORS LIMITED. The patent, effective March 24, 2026, details an electric circuit designed to receive power from a first battery, with a relay controlling the power supply. A second battery is utilized to supply power to the circuit while the relay is open, and the control section closes the relay once a predetermined voltage level is reached.

This patent grant is primarily an intellectual property event and does not impose new regulatory obligations on manufacturers. However, it signifies a technological advancement in electric power supply systems, particularly relevant for entities involved in the design and manufacturing of electric vehicles or power management systems. Companies operating in this space may wish to review the patent for potential licensing opportunities or to understand the competitive landscape.