ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,378, issued on May 12, was assigned to HTC Corp. (Taoyuan City, Taiwan).

"Head mounted display device and light-shielding face mask" was invented by Li-Hsun Chang (Taoyuan City, Taiwan), Kuan-Ying Ou (Taoyuan City, Taiwan), Chen-Fu Chang (Taoyuan City, Taiwan), Chih-Hsiang Hsieh (Taoyuan City, Taiwan) and Yu-Hsun Chung (Taoyuan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A head-mounted display device includes a front-end assembly, a wearing assembly and a light-shielding face mask. The wearing assembly is assembled to the front-end assembly to position the front-end assembly on a user's face. The light-shielding face mask includes a f...