ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,434, issued on Nov. 25, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Control device for internal combustion engine" was invented by Kazuya Takaoka (Machida, Japan) and Tsuyoshi Obuchi (Susono, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control device for an internal combustion engine includes a filter for collecting PM in an exhaust pipe connected to an engine body, and a PM regeneration function for regenerating the filter for collecting PM. The control device of the internal combustion engine includes a filter differential pressure acquisition unit that acquires a filter differential pressure, a pre-regeneration filter differe...