ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,353, issued on Dec. 2, was assigned to POLYGON TAILOR Inc. (Tokyo).

"Trading support server, trading support system, and trading support program" was invented by Kazunari Kida (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A trading support server for items of a virtual space: stores a seller who wishes to put up a sales item, the sales item, and an individual price, causes the seller to declare a parent item used to create the sales item, and stores information identifying the parent item, determines whether a parent item is associated with a specific item, and where a parent item is associated with the specific item, adds individual prices o...