Patents by Inventor Shuhei Numata

Shuhei Numata 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).

  • Color matching apparatus for automotive repair paints
    Patent number: 6539325
    Abstract: This invention provides a color matching apparatus for automotive repair paints with which the color matching of a repair paint to an existing paint, whether containing or not containing a metallic or pearlescent pigment, can be performed with high precision in a reduced number of steps even by the novice. The apparatus of the invention comprises a computer, a color data file and a database reference system.
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: March 25, 2003
    Assignees: Nippon Paint Co., Ltd., Nisshinbo Industries, Inc.
    Inventors: Shuhei Numata, Takao Asaba, Koichi Kuwano, Masayuki Osumi
  • METHOD OF DETERMINING THE FORMULATING RATIO OF A METALLIC OR PEARLESCENT PIGMENT TO A COLORANT OR THE FORMULATING AMOUNT OF A METALLIC OR PEARLESCENT PIGMENT IN THE COMPUTER-AIDED COLOR MATCHING OF A METALLIC OR PEARLESCENT PAINT
    Patent number: 6362885
    Abstract: A method of determining the formulating ratio of metallic or pearlescent pigments to colorants for matching the color of a metallic or pearlescent coating to an target color wherein, the spectral reflectances of a plurality of samples varied in the formulation of colorants and metallic or pearlescent pigments are measured with a goniospectrophotometer and stored in a computer memory beforehand and, in performing a CCM using the stored data, reproduction spectral reflectances are calculated by reflecting the changes in spectral reflectance due to changes in the amount of the metallic or pearlescent pigments.
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: March 26, 2002
    Assignees: Nippon Paint Co., Ltd., Nisshimno Industries, Inc.
    Inventors: Masayuki Osumi, Shuhei Numata, Takao Asaba, Koichi Kuwano