ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,195, issued on Sept. 23, was assigned to Tencent Technology (Shenzhen) Co. Ltd. (China).

"Navigation path determining method and apparatus, device, storage medium, and program product" was invented by Mo Xie (Shenzhen, China) and Tao Gu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A navigation path determining method and apparatus, a device, a storage medium, and a program product are provided. A navigation grid map is obtained corresponding to an application. The navigation grid map is marked with a primary region and a secondary region. A passage level of the primary region allows passage of virtual objects under volume levels....