ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,509, issued on Feb. 17, was assigned to JATCO LTD (Fuji, Japan) and Nissan Motor Co. Ltd. (Yokohama, Japan).
"Case" was invented by Hisashi Toyama (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A case for housing a driving force transmission device includes a wall section defining a through-hole through which a shaft is configured to pass. The wall section, as viewed from an axial direction, includes an annular section surrounding the through-hole, first ribs that extend radially outward from the annular section, a second rib that crosses a vertical line that passes through an axial center of the shaft from one side to the other sid...