US Patent Issued to Hitachi Astemo on July 28 for "Shock absorber" (Japanese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,720, issued on July 28, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).

"Shock absorber" was invented by Daisuke Michiura (Hitachinaka, Japan) and Masataka Fujita (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shock absorber includes a first oil flow path and a second oil flow path connected to a damper case and allowing oil to pass therethrough, a compression resistance unit including a resistance unit oil chamber, which is connected to the first oil flow path and allows the oil to flow thereinto when a rod is displaced in a compression direction, and a receiving member having one end facing the resistance unit oil c...