ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,745, issued on May 20, was assigned to Itoh Denki Co. Ltd. (Kasai, Japan).

"Method for manufacturing conveyance device" was invented by Kazuo Itoh (Kasai, Japan), Toshiyuki Tachibana (Kasai, Japan), Mitsuo Inoue (Kasai, Japan) and Akira Takanaga (Kasai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a conveyance device capable of accurately completing the conveyance device imagined by a customer in a relatively short time. One or a plurality of operation confirmation devices that visually confirms an operation of the conveyance device is used. The method includes exhibiting a desired operation of the conveyance devic...