ALEXANDRIA, Va., June 17 -- United States Patent no. 12,314,490, issued on May 27, was assigned to Wacom Co. Ltd. (Saitama, Japan).
"Electronic pen" was invented by Takenori Kaneda (Saitama, Japan), Hock Meng Wan (Saitama, Japan) and Kohei Tanaka (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an electronic pen including a tubular first casing having an opening on a pen tip side, and a tubular second casing rotatably coupled to the first casing with an axial direction of the first casing as a center to receive an instruction of a user, on a side of the first casing opposite to the pen tip side in the axial direction. The first casing includes a first circuit board having a first ci...