ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,859, issued on May 13, was assigned to Lenovo (Singapore) Pte. Ltd. (Singapore).

"Electronic apparatus" was invented by Takayuki Morino (Kanagawa, Japan), Yalu Liu (Kanagawa, Japan) and Tabito Miyamoto (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic apparatus includes: a first chassis; a second chassis which is adjacent to the first chassis; a hinge device which so connects the first chassis and the second chassis as to be rotationally movable relative to each other between a first posture that the first chassis and the second chassis are so folded as to mutually overlap in a surface normal direction and a second postur...