ALEXANDRIA, Va., April 9 -- United States Patent no. 12,271,540, issued on April 8, was assigned to Wacom Co. Ltd. (Saitama, Japan).
"Electronic pen and electronic pen main unit" was invented by Shinya Aoki (Saitama, Japan), Yoshiyuki Hashimoto (Saitama, Japan) and Takenori Kaneda (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a case in which an electronic pen main unit made into a cartridge is held movably in a casing, electrical connections between the electronic pen main unit and electronic circuit components of the casing are reliably established. The electronic pen main unit is fitted to a fitting part disposed in a casing of an electronic pen in which the pen tip side is made to be a...