US Patent Issued to HITACHI ASTEMO on April 21 for "Shock absorber" (Japanese Inventor)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,243, issued on April 21, was assigned to HITACHI ASTEMO LTD. (Ibaraki, Japan).

"Shock absorber" was invented by Takamasa Kotani (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shock absorber includes a first passage (92) through which a working fluid flows out from a chamber that is an upstream side to a chamber (23) that is a downstream side due to movement of a piston (21), a first damping force generating mechanism (41) provided in the first passage (92) to generate a damping force, a second passage (182) provided separately from the first passage (92), a second damping force generating mechanism (183) provided in the second...