ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,529, issued on Nov. 11, was assigned to Honda Motor Co. Ltd. (Tokyo).

"Power transmission device" was invented by Takashi Wakui (Saitama, Japan), Motoshi Togasaki (Saitama, Japan), Masahiro Imai (Saitama, Japan) and Kazuki Sakurai (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power transmission device includes: a first rotation member; a first rotation shaft supporting the first rotation member; and a case rotatably supporting the first rotation shaft, in which the case includes a rotation member accommodation chamber accommodating the first rotation shaft and the first rotation member, a first storage portion provided at a bottom...