ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,671, issued on April 22, was assigned to TOYOTA JIDOSHA K.K. (Aichi-ken, Japan).

"Hybrid electric vehicle controller and method for controlling hybrid electric vehicle" was invented by Hisashi Ito (Toyota, Japan), Takehiro Komatsu (Toyota, Japan) and Masanao Idogawa (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A controller for a hybrid electric vehicle. The hybrid electric vehicle includes an engine, a motor generator, a clutch arranged between a crankshaft and the motor generator, and a catalyst arranged in an exhaust passage. The controller includes first processing circuitry that executes a catalyst warming process that warms the ...