Patents by Inventor Eri Iwata

Eri Iwata 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).

  • Image processing apparatus and image processing method
    Patent number: 6917446
    Abstract: An image processing apparatus for quantizing image data indicative of a density gradation level of a constituent pixel of an image into a discrete value on the basis of quantization levels of a number smaller than the maximum density gradation level and not smaller than two.
    Type: Grant
    Filed: August 28, 2001
    Date of Patent: July 12, 2005
    Assignee: Kyocera Mita Corporation
    Inventors: Kei Tanaka, Shinji Hayashi, Kenji Katsuhara, Eri Iwata
  • Image processing apparatus and image processing method
    Publication number: 20020054308
    Abstract: An image processing apparatus for quantizing image data indicative of a density gradation level of a constituent pixel of an image into a discrete value on the basis of quantization levels of a number smaller than the maximum density gradation level and not smaller than two.
    Type: Application
    Filed: August 28, 2001
    Publication date: May 9, 2002
    Inventors: Kei Tanaka, Shinji Hayashi, Kenji Katsuhara, Eri Iwata