Patents by Inventor Takahisa Nakano

Takahisa Nakano 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).

  • Specific color field recognition apparatus and method
    Patent number: 5841899
    Abstract: A specific color field recognition apparatus and method are disclosed. A mechanism fetches a first image including a specific color and a second image with the specific color eliminated therefrom by picking up an image of an object having a specific color field to be recognized. A device produces a first density histogram and a second density histogram representing the number of pixels for each tone with respect to the first image and the second image, respectively.
    Type: Grant
    Filed: August 20, 1996
    Date of Patent: November 24, 1998
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kenichi Ide, Takahisa Nakano