Patents by Inventor Junichiro Hiraoka

Junichiro Hiraoka 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).

  • Hair coloring composition comprising anti-hair antibodies immobilized on coloring materials, and hair coloring methods
    Patent number: 5597386
    Abstract: A hair dye consisting of an anti-hair antibody immobilized on a high bulky coloring material. The coloring material may be a coloring substance such as an inorganic pigment, water-soluble coloring matter, or water-insoluble coloring matter, or a composite of the coloring substance and a macromolecular carrier. Since it provides a good and strong coloring capability specific to hair, the hair dye of the present invention will neither stain the skin nor cause skin irritation. Further, the touch and feel of the hair will be improved.
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: January 28, 1997
    Assignee: Kanebo, Ltd.
    Inventors: Shigeru Igarashi, Toshihiro Usui, Junichiro Hiraoka, Keiko Hashimoto, Hideyo Uchiwa, Umeji Murakami, Kenichi Sugimoto, Hiromi Minamino, Toshio Horikoshi
  • Cell-associated glucosyltransferase, an antibody thereto, and a dental caries prophylactic composition containing said antibody as an effective component
    Patent number: 5439680
    Abstract: Cell-associated glucosyltransferase of S. mutans serotypes c, e or f producing dental caries was isolated and purified and its characteristics as an enzyme were revealed. Furthermore, an antibody against said enzyme was prepared from eggs of the hens immunized with said enzyme. Since this antibody effectively prevents adherence of the aforementioned S. mutans to tooth surfaces, it is useful as an effective component for a dental caries prophylactic composition.
    Type: Grant
    Filed: December 2, 1994
    Date of Patent: August 8, 1995
    Assignees: Kanebo Ltd., Ghen Corporation
    Inventors: Toshio Horikoshi, Junichiro Hiraoka, Isamu Fujita, Tohru Tokoro, Yoshikatsu Kodama, Hideaki Yokoyama
  • Cell-associated glucosyltransferase from Streptococcus mutans serotype, c, e or f
    Patent number: 5281524
    Abstract: Cell-associated glycosyltranferase of S. mutans serotypes c, e or f producing dental caries was isolated and purified and its characteristics as an enzyme were revealed. Furthermore, an antibody against the enzyme was prepared from eggs of the hens immunized with the enzyme. Since this antibody effectively prevents adherence of the aforementioned S. mutans to tooth surfaces, it is useful as an effective component for a dental caries prophylactic composition.
    Type: Grant
    Filed: December 17, 1991
    Date of Patent: January 25, 1994
    Assignees: Kanebo, Ltd., Ghen Corporation
    Inventors: Toshio Horikoshi, Junichiro Hiraoka, Isamu Fujita, Tohru Tokoro, Yoshikatsu Kodama, Hideaki Yokoyama