ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,216,843, issued on Feb. 4, was assigned to Wacom Co. Ltd. (Saitama, Japan).

"Electronic pen" was invented by Kohei Tanaka (Saitama, Japan), Takayuki Arai (Saitama, Japan), Kenichi Ninomiya (Saitama, Japan) and Takenori Kaneda (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic pen includes a circuit board disposed such that an axial direction of a casing is aligned with a longitudinal direction of the circuit board, an electronic circuit on the circuit board, and a battery having a columnar shape disposed on a side of the circuit board opposite to a pen tip side of the circuit board inside a hollow portion of the casing such that...