Patents by Inventor Matsuo Masaru

Matsuo Masaru 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 forming apparatus that prints out multi-gradation monochrome image maintaining gradation reproducibility, and image forming method
    Patent number: 9189715
    Abstract: The image forming apparatus includes an input luminance range recognition unit, an output luminance range recognition unit, and a luminance range expansion unit. The input luminance range recognition acquires input luminance information from multi-gradation monochrome image data, generates a luminance histogram, and determines, based on a minimum luminance value and a maximum luminance value of the luminance histogram, an input luminance range. The output luminance range recognition unit determines an output luminance range. The luminance range expansion unit performs a mapping process for mapping input luminance information of pixels within the image range into the output luminance range, and expands the input luminance range to a maximum luminance range.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: November 17, 2015
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Matsuo Masaru
  • Image Forming Apparatus That Prints Out Multi-Gradation Monochrome Image Maintaining Gradation Reproducibility, and Image Forming Method
    Publication number: 20150085322
    Abstract: The image forming apparatus includes an input luminance range recognition unit, an output luminance range recognition unit, and a luminance range expansion unit. The input luminance range recognition acquires input luminance information from multi-gradation monochrome image data, generates a luminance histogram, and determines, based on a minimum luminance value and a maximum luminance value of the luminance histogram, an input luminance range. The output luminance range recognition unit determines an output luminance range. The luminance range expansion unit performs a mapping process for mapping input luminance information of pixels within the image range into the output luminance range, and expands the input luminance range to a maximum luminance range.
    Type: Application
    Filed: September 25, 2014
    Publication date: March 26, 2015
    Inventor: Matsuo Masaru