ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,133, issued on July 29, was assigned to Hitachi Astemo Ltd. (Ibaraki, Japan).

"Shock absorber" was invented by Shivanand Sankaran (Canton, Mich.), Sean Lundberg (Dearborn Heights, Mich.) and Jordan Truitt (Farmington Hills, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This shock absorber includes a first valve assembly connected to one end of a tube in an axial direction, a piston assembly dividing an inner chamber of the tube into a first chamber and a second chamber, a piston rod extending from the tube through the first chamber with the piston assembly connected to an intermediate position in the axial direction, a cup provided in the sec...