Patents by Inventor Takanari Nakamura

Takanari Nakamura 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 treating composition
    Patent number: 4950468
    Abstract: A hair treating composition having excellent resistance to washing which comprises a dimethyl silicone rubber and a quaternary ammonium salt ingredient consisting of stearyltrimethylammonium chloride and behenyltrimethylammonium chloride.
    Type: Grant
    Filed: September 8, 1988
    Date of Patent: August 21, 1990
    Assignee: Sunstar Kabushiki Kaisha
    Inventors: Takanari Nakamura, Hiroshi Nishimura, Makoto Tada