ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,994, issued on Dec. 9, was assigned to Honda Motor Co. Ltd. (Tokyo).

"Charge control system and charge control method and aircraft" was invented by Yuya Ishihara (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "To control charging of a battery without applying an overload by power feed of a generator based on a state of charge of the battery. A charge control system includes an engine and a motor generator for supplying generated power to two motors of a VTOL rotor and a cruising rotor, a plurality of batteries including two batteries for storing the electrical power generated by the generator and supply the stored electrical power to e...