ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,288, issued on Jan. 13, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Power transmission device" was invented by Hiroshi Kawanishi (Nisshin, Japan), Akitaka Ichikawa (Nisshin, Japan), Marina Hirata (Toyota, Japan), Shohei Nagata (Nisshin, Japan) and Tsukasa Sakamaki (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power transmission device may include a casing; and a plurality of gears located in the casing and being lubricated by a lubricant in the casing, wherein the plurality of gears may include a first gear that upwardly displaces the lubricant accumulating at a lower portion in the casing by rotation of the first gear; t...