ALEXANDRIA, Va., April 2 -- United States Patent no. 12,263,709, issued on April 1, was assigned to HITACHI ASTEMO LTD. (Ibaraki, Japan).

"Vehicle suspension control device including a damping force adjustable shock absorber" was invented by Ryusuke Hirao (Kamagaya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A controller executes full extension suppression control or full compression suppression control of adjusting a damping force to be large when a piston being displaced through sliding in an inner tube approaches a full extension position or a full compression position. Moreover, a stroke from a neutral position of the piston in the inner tube to a full compression control start position is set ...