ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,122, issued on Jan. 27, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Vibration damper" was invented by Keiji Yoeda (Kyoto, Japan), Hiroyuki Amano (Susono, Japan) and Shingo Okaya (Susono, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vibration damper that effectively damps vibrations moving a drive unit and a support body closer to and away from each other by a rolling mass. The vibration damper comprises: an elastic member interposed between the drive unit and the support body; an arm extending from the drive unit toward the support body; a rolling mass rolled on the arm by a reciprocation of the arm; a support member fixed to the...