ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,200, issued on Feb. 10, was assigned to Tokuyama Dental Corp. (Tokyo).

"Demonstration method" was invented by Hiroshi Morisaki (Tokyo) and Naoto Shiohira (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A demonstration method can include demonstrating a feature of a dental composite resin, the feature being that the dental composite resin exhibits high color tone applicability to teeth of a wide range of shades. The demonstration of the feature can include: displaying a restoration process of obtaining a plurality of restoration samples by filling with the dental composite resin a cavity or a defect part of each artificial tooth of a plurality ...