ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,810, issued on March 17, was assigned to Wacom Co. Ltd. (Saitama, Japan).
"Position detection device" was invented by Ipei Hung (Saitama, Japan), Henry Wong (Portland, Ore.), Akiyuki Kake (Saitama, Japan) and Kizuku Ishimaru (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A position detection device includes a position detection sensor including a position detection region corresponding to an instruction input surface for receiving an instruction input by an indicator, a position detection circuit which, in operation, detects at least a position of an instruction in the position detection region of the position detection sensor based...