ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,857, issued on June 23, was assigned to Maxell Ltd. (Kyoto, Japan).

"Head mounted display apparatus" was invented by Yasunobu Hashimoto (Kyoto, Japan), Kazuhiko Yoshizawa (Kyoto, Japan), Mayumi Nakade (Kyoto, Japan) and Hitoshi Akiyama (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided regarding a technique of an HMD is a technique capable of realizing high functionality and weight reduction in a well-balanced manner and improving useability for a user. An HMD of an embodiment is a head mounted display apparatus, includes: a head attached part that is attached to a user's head and has a display screen for displaying an image; and ...