ALEXANDRIA, Va., April 9 -- United States Patent no. 12,269,309, issued on April 8, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Suspension stroke related value estimation device and method" was invented by Yanqing Liu (Susono, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control unit that controls control currents supplied to shock absorbers that generate damping forces according to the control currents determines coefficients of two functions that functionally identify an equivalent damping coefficient and an equivalent spring constant of each suspension based on relationships between the control current supplied to each shock absorber and the coefficients of the two functions that chang...