ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,856, issued on July 29, was assigned to HITACHI ASTEMO LTD. (Ibaraki, Japan).
"State quantity estimation device, control device, and state quantity estimation method" was invented by Masaki Izawa (Ibaraki, Japan) and Shubham Gupta (Ibaraki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Realized is a technique for estimating a state quantity of a vehicle, which technique is applicable to estimation of a vehicle weight and allows an increase in accuracy and speed of the estimation. A state quantity estimating device includes a data storing section (101), a predictive quantity computing section (102), an obtaining section (107), a Kalman gain co...