ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,318, issued on July 1, was assigned to Enplas Corp. (Saitama, Japan).

"Separation structure of internal gear and housing, planetary gear device and actuator" was invented by Koki Hisai (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A separation structure of internal gear and housing includes an internal gear including a tubular body that has an inner circumferential surface and internal-gear teeth formed on the inner circumferential surface. The separation structure also includes a tubular housing configured to accommodate the internal gear. The tubular body includes a flange formed on an outer circumferential surface of the tubular b...