Patents by Inventor Naofumi Kado

Naofumi Kado 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).

  • Publication number: 20220297962
    Abstract: A medium conveying apparatus includes a conveying unit including a conveyance roller to convey a medium and a processor. The processor detects a skew of a medium conveyed by the conveying unit, calculates an occurrence frequency of skew based on a detection result, and outputs a first notification related to maintenance of the conveyance roller or a second notification not related to the maintenance based on the occurrence frequency.
    Type: Application
    Filed: February 11, 2022
    Publication date: September 22, 2022
    Inventor: Naofumi Kado
  • Patent number: 11228691
    Abstract: In an image processing system, an image reading apparatus determines whether an error occurs on a read image that is an image read by an image sensor, and generates and transmits data including the read image and error information that is information indicating presence or absence of occurrence of the error, and an image processing apparatus receives the data and performs, on the read image, image processing corresponding to the presence or absence of occurrence of the error, based on the error information.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: January 18, 2022
    Assignee: PFU LIMITED
    Inventors: Akiko Watanabe, Naofumi Kado
  • Publication number: 20210266419
    Abstract: In an image processing system, an image reading apparatus determines whether an error occurs on a read image that is an image read by an image sensor, and generates and transmits data including the read image and error information that is information indicating presence or absence of occurrence of the error, and an image processing apparatus receives the data and performs, on the read image, image processing corresponding to the presence or absence of occurrence of the error, based on the error information.
    Type: Application
    Filed: December 16, 2020
    Publication date: August 26, 2021
    Inventors: Akiko Watanabe, Naofumi Kado
  • Patent number: 8736917
    Abstract: An overhead image-reading apparatus includes a one-dimensional image sensor having imaging elements arranged in parallel to each other and is configured to change an angle between an optical axis of a light source and a medium to be read during reading of the medium, and the apparatus includes a correcting unit that corrects distortion in a main-scanning direction in read image data of the medium read by the apparatus.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: May 27, 2014
    Assignee: PFU Limited
    Inventors: Ikuo Murata, Naofumi Kado, Hiroyuki Kameda
  • Publication number: 20120320430
    Abstract: An overhead image-reading apparatus includes a one-dimensional image sensor having imaging elements arranged in parallel to each other and is configured to change an angle between an optical axis of a light source and a medium to be read during reading of the medium, and the apparatus includes a correcting unit that corrects distortion in a main-scanning direction in read image data of the medium read by the apparatus.
    Type: Application
    Filed: March 8, 2012
    Publication date: December 20, 2012
    Inventors: Ikuo Murata, Naofumi Kado, Hiroyuki Kameda