US Patent Issued to Hitachi Astemo on Nov. 11 for "Internal combustion engine control device and internal combustion engine control method" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,417, issued on Nov. 11, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).

"Internal combustion engine control device and internal combustion engine control method" was invented by Akihiro Komori (Hitachinaka, Japan) and Kunihiko Suzuki (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An internal combustion engine control device integrates an oxygen storage amount stored in a three-way catalyst in a period from an integration start position where combustion gas of an internal combustion engine obtained from an air-fuel ratio of exhaust gas starts to change from lean to rich or from rich to lean to an integration stop positio...