ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,322, issued on Jan. 27, was assigned to PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA (Torrance, Calif.).

"Paper jam indication estimation device, paper jam indication estimation method, and recording medium" was invented by Madoka Wada (Osaka, Japan) and Toshiyuki Matsumura (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A paper jam indication estimation device estimates an indication that a paper jam will occur in a paper feed device, and includes: a sound collector that collects a friction sound produced between sheets of paper when the paper is fed into the paper feed device from a holder holding a plurality of sheets of th...