ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,210, issued on March 18, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).
"Shock absorber" was invented by Tsubasa Kimura (Hitachinaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shock absorber includes a tubular outer tube, a tubular inner tube, a rod, a piston, an urging member, and a guide bush. The guide bush is a ring-shaped member arranged along an inner periphery of the outer tube, abuts against a front surface and a rear surface of the inner tube to movably hold the inner tube, and is separated from left and right side surfaces of the inner tube."
The patent was filed on Aug. 19, 2021, under Application No. 17/406,668....