ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,726,039, issued on Sept. 1, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Power storage system" was invented by Yoshiaki Kikuchi (Toyota Aichi-ken, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power storage system performing charging and discharging with an external system includes first and second battery units connected in parallel and each including a plurality of battery packs connected in parallel to a power converter. The power storage system includes a controller controlling operation of each power converter. The first and second battery units include a first battery pack and a second battery pack higher in internal resistance t...