ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,911, issued on May 5, was assigned to VEHICLE ENERGY JAPAN INC. (Hitachinaka, Japan).

"Battery control device" was invented by Shunya Naito (Tokyo), Ryohhei Nakao (Tokyo) and Daiki Komatsu (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A battery control device which obtains a state of charge of a secondary battery from characteristics representing a relationship of a state of charge and a voltage of the secondary battery comprises a calling unit which calls a first characteristic among a plurality of the characteristics stored in advance based on use history information of the secondary battery, a correction limit width designation unit which d...