ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,648, issued on Oct. 28, was assigned to E Ink Holdings Inc. (Hsinchu, Taiwan).
"Inspection tool and inspection method for a touch plate" was invented by Chien-Hsing Chang (Hsinchu, Taiwan), Ying-Ta Chen (Hsinchu, Taiwan) and Yun-Nan Hsieh (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an inspection tool for a touch panel, including a substrate adapted to be placed on the touch panel and multiple protrusions disposed on the substrate in correspondence to multiple touch inspection points and arranged along an inspection trajectory. An inspection method for a touch panel is also provided."
The patent was filed on Nov. 27, ...