ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,833, issued on April 7, was assigned to KYB Corp. (Tokyo).
"Shock absorber" was invented by Takeshi Yasui (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shock absorber according to the present invention includes: a cylinder; a rod movably inserted into the cylinder; an extension side chamber (operation chamber) and a compression side chamber (operation chamber) provided in the cylinder; a valve disc that is provided to be movable in the axial direction on the outer circumference of the rod and has an annular valve seat and a port which is opened on the inner circumference of the annular valve seat and causes the extension side chamber (oper...