ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,557, issued on Nov. 25, was assigned to Daicel Corp. (Osaka, Japan).
"Shock absorber" was invented by Masayuki Yamazaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The shock absorber includes: a base portion fixed to the attachment target; a shock absorbing portion having flexibility and attached to the base portion so as to be reversibly switchable between a housed state in which the shock absorbing portion is retracted toward the base portion and a protruding state in which the shock absorbing portion protrudes from the base portion; and a drive unit driving the shock absorbing portion to reversibly switch between the housed state and th...