ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,576, issued on April 14, was assigned to Itoh Denki Co. Ltd. (Kasai, Japan).

"Apparatus for checking operation of carrier device and computer program" was invented by Toshiyuki Tachibana (Kasai, Japan) and Shin Asada (Kasai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an operation check device for a conveyer device, the operation check device being capable of reproducing and checking operation of the conveyer device. The operation check device includes: a log data creation unit that creates log data in which operation states of a drive motor and a load presence sensor of each of the conveyer units of a conveyer device are indiv...