Patents by Inventor Chigusa Kitamura

Chigusa Kitamura 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).

  • Nail cosmetic composition
    Patent number: 4822423
    Abstract: A nail cosmetic composition comprising 3% to 15% by weight of nitrocellulose, 3% to 15% by weight of a resin, 2% to 8% by weight of a plasticizer, 60% to 85% by weight of a solvent, 1% to 10% by weight of a matting agent, and 0.1% to 2.5% by weight of mica in the form of a leaf. This nail cosmetic composition advantageously provides an excellent mat finish without impairing the other desired characteristics, especially the peeling resistance, of the nail cosmetic composition.
    Type: Grant
    Filed: July 30, 1987
    Date of Patent: April 18, 1989
    Assignee: Shiseido Company Ltd.
    Inventors: Yoshikazu Soyama, Kazunori Yamazaki, Chigusa Kitamura
  • Nail cosmetic composition
    Patent number: 4820509
    Abstract: A nail cosmetic composition including 1% to 4% by weight of sucrose benzoate in a nail cosmetic base composed of a sulfon amide resin, nitrocellulose, a plasticizer, and a solvent. This nail cosmetic composition has improved peeling resistance of the coated film thereof without impairing the other desired characteristics.
    Type: Grant
    Filed: November 17, 1986
    Date of Patent: April 11, 1989
    Assignee: Shiseido Company Ltd.
    Inventors: Kazunori Yamazaki, Yoshikazu Soyama, Muneo Tanaka, Chigusa Kitamura