ALEXANDRIA, Va., July 9 -- United States Patent no. 12,354,438, issued on July 8, was assigned to ANGEL GROUP Co. LTD. (Shiga, Japan).
"Management system of substitute currency for gaming" was invented by Yasushi Shigeta (Shiga, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A detection system including a control device detecting fraud performed in a game table by using a result of an image analysis performed by an image analyzing device is included. A substitute currency for gaming used for this detection system has a multi-layer structure in which a plurality of plastic layers having different colors are stacked, a coloring layer is included at least in the middle, and white layers or thin-color laye...