ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,125, issued on Jan. 27, was assigned to HITACHI ASTEMO LTD. (Ibaraki, Japan).

"Solenoid, damping force adjustment mechanism, and damping force adjustable shock absorber" was invented by Ryuichi Suka (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A solenoid comprises a mold coil, a housing, a yoke, an anchor, a cylinder, and an armature. The housing and the yoke are connected together with the cylinder intervening therebetween. The housing includes an accommodating tube portion including a first end portion, a second end portion, and a third end portion. The first end portion faces the anchor. The second end portion is axially rec...