ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,690, issued on Dec. 30, was assigned to Honda Motor Co. Ltd. (Tokyo).
"Vehicle electricity storage system" was invented by Hiroto Okabe (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle electricity storage system includes a control device including: a calculation unit configured to calculate an internal resistance value of the battery based on the voltage value and the current value; a derivation unit configured to derive an estimated internal resistance value, which is an estimated value of the current internal resistance of the battery, based on the calculated internal resistance value calculated and the current voltage value; and a ...