ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,492, issued on Feb. 17, 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 includes: a shock absorber main body that has an outer tube and a rod movably inserted into the outer tube and can extend and contract; a main passage and a sub passage that communicate in parallel two working chambers provided in the shock absorber main body; a main damping force generation element provided in the main passage; and a sub damping force generation element provided in the sub passage. The main damping force generation element has only a main valve that opens an...