ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,618, issued on March 31, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).
"Shock absorber and method of manufacturing the shock absorber" was invented by Tsubasa Kimura (Ibaraki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shock absorber, including: a first cylindrical body; a second cylindrical body surrounding an outer peripheral surface of the first cylindrical body and provided movably in a direction of an axis of the first cylindrical body with respect to the first cylindrical body; a spring provided between the outer peripheral surface of the first cylindrical body and an inner peripheral surface of the second cylindrical ...