ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,021, issued on Jan. 27, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).
"Internal combustion engine control device and internal combustion engine control method" was invented by Kazuhiro Oryoji (Hitachinaka, Japan) and Yoshihiko Akagi (Hitachinaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An internal combustion engine control device includes a correlation index estimation unit configured to estimate a piston temperature correlation index correlated with a temperature of a piston based on an internal combustion engine operating condition parameter and an oil jet parameter for injecting oil to a back surface of the piston; and a ...