Patents by Inventor Minoru Kakuta

Minoru Kakuta has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Tooth bleaching agents and method of bleaching teeth
    Publication number: 20040109829
    Abstract: A tooth bleaching agent comprising (a) titanium dioxide initiating photocatalytic action by irradiation with light, (b) a chemical compound generating hydrogen peroxide in aqueous solution, (c) an inorganic thickening agent or an organic thickening agent, (d) phosphoric acid and (d) condensed phosphate is proposed. A tooth bleaching method characterized by bleaching tooth by applying the breaching agent onto the surface of a tooth followed by irradiating the applied surface with light is also proposed.
    Type: Application
    Filed: December 30, 2003
    Publication date: June 10, 2004
    Inventors: Toru Nonami, Minoru Kakuta, Masao Someya, Masumi Ogasawara, Takuro Ishibashi, Kouzo Ishibashi