US Patent Issued to Nishio on July 14 for "Tooth whitening and tooth strengthening method" (Japanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,271, issued on July 14, was assigned to Nishio Co. Ltd. (Chiba, Japan).

"Tooth whitening and tooth strengthening method" was invented by Hidetoshi Nishio (Chiba, Japan) and Naoko Miki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tooth whitening and tooth strengthening method is disclosed which is harmless to the human body and with which it is possible to remove dental plaques, tartars, coloring components and organic pellicles, promote calcification, repair the surface of teeth by reconstruction of enamel, whiten teeth and prevent caries.The tooth whitening and tooth strengthening method first applies acid solvents such as citric acid, a...