ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,905, issued on Feb. 25, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Power transmission device" was invented by Hiroshi Yamamoto (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power transmission device includes: a case including a first oil reservoir configured to be able to store oil, a second oil reservoir configured to be able to store the oil, and a partition wall configured to separate the first oil reservoir and the second oil reservoir; the oil sealed in the case; a rotating member configured to be able to be in contact with the oil in the first oil reservoir; and an oil supplying unit configured to be able to supply...