ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,384, issued on June 9, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Battery electric vehicle" was invented by Yuya Ando (Ichinomiya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A battery electric vehicle includes: a traction motor; an inverter driving the motor; a first battery; an electric device running on electric power from the first battery; a detachable portable second battery; a first connecting and disconnecting device connecting and disconnecting a power line connected to the inverter and the first battery to and from each other; a second connecting and disconnecting device connecting and disconnecting the power line and th...