ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,384, issued on April 14, was assigned to KYB Corp. (Tokyo).
"Fluid pressure damper" was invented by Kazuki Hasegawa (Gifu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A damping unit of a shock absorber has: a damping valve provided in a second fluid passage, the damping valve being configured to impart variable resistance to a flow of working oil passing therethrough depending on positions; a bypass passage connected to the second fluid passage so as to bypass the damping valve; a solenoid valve configured to control the flow of the working oil in the bypass passage guided to the damping valve as a pilot pressure for switching the position...