ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,830, issued on Dec. 16, was assigned to Wacom Co. Ltd. (Saitama, Japan).
"Pen sensor" was invented by Jun Kadowaki (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a pen sensor for use in detecting an active pen. The pen sensor includes a first layer including a group of first sensor electrodes and a group of first dummy patterns, and a second layer including a group of second sensor electrodes and a group of second dummy patterns. The first dummy patterns and the second dummy patterns are overlaid with each other when viewed from above the pen sensor."
The patent was filed on May 14, 2024, under Application No. 18/664,098...