ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,376, issued on Feb. 10, was assigned to KYB Corp. (Tokyo).

"Shock absorber" was invented by Yasunori Kobayashi (Tokyo) and Kenshirou Anai (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shock absorber in the present invention includes: a cylinder; a rod guide fitted to the inner circumference of an end portion of the cylinder; a piston rod movably inserted into the cylinder; a piston connected to the piston rod; and a seal member stacked on the rod guide and through which the piston rod is inserted, wherein the seal member includes: an annular seal case having an annular concave portion on the inner circumference; a seal ring including a bas...