Patents by Inventor Daiki Yamanaka

Daiki Yamanaka 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 AND GRADATION CORRECTION METHOD FOR THE SAME
    Publication number: 20130148138
    Abstract: An image forming apparatus and a gradation correction method for the same are provided. An image forming apparatus includes an image forming section that forms a plurality of patch bands in a plurality of positions in a main scanning direction on an image bearing member, each of the plurality of patch bands having a plurality of gradation patches disposed in a sub-scanning direction; a density detection section that detects densities of the plurality of patch bands; and a control section that performs gradation correction based on detection results from the density detection section. The plurality of patch bands differs from each other.
    Type: Application
    Filed: December 5, 2012
    Publication date: June 13, 2013
    Inventors: Hideaki TANAKA, Takashi HARASHIMA, Katsuyuki HIRATA, Daiki YAMANAKA, Kazuhiro SAITO
  • Image forming apparatus
    Patent number: 8401419
    Abstract: An image forming apparatus, in which a toner collection section is disposed in an air pathway between a ventilation duct and suction blower, and the toner collection section and a recovery container are connected via an opening and closing device, has a control device to control the opening and closing device to close the opening and closing device when the suction blower is suctioning air and to open the opening and closing device so that the recovery container recovers the toner collected by the toner collection section after the suction blower is stopped.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: March 19, 2013
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Yasushi Koshimura, Daiki Yamanaka
  • COLOR IMAGE FORMING APPARATUS
    Publication number: 20120002992
    Abstract: Provided is a low cost color image forming apparatus in which the density of the image having been fixed is optimally adjusted and jamming in the fixing device is prohibited.
    Type: Application
    Filed: June 28, 2011
    Publication date: January 5, 2012
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Toru YAMAGUCHI, Yasushi KOSHIMURA, Daiki YAMANAKA
  • CLEANING DEVICE AND IMAGE-FORMING DEVICE
    Publication number: 20110280637
    Abstract: A cleaning device comprises: a rotational brush disposed to touch an image holder and a lubricant, the brush which scrapes the lubricant and applies the scraped lubricant to the image holder, the brush including: a rotational axis; and a plurality of looped bristles disposed around the rotational axis, wherein a contact length of the bristles to the lubricant is longer than a contact length of the bristles to the image holder.
    Type: Application
    Filed: May 10, 2011
    Publication date: November 17, 2011
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Kazuteru ISHIZUKA, Takashi AKAZAWA, Daiki YAMANAKA
  • Image Forming Apparatus
    Publication number: 20110129249
    Abstract: An image forming apparatus, in which a toner collection section is disposed in an air pathway between a ventilation duct and suction blower, and the toner collection section and a recovery container are connected via an opening and closing device, has a control device to control the opening and closing device to close the opening and closing device when the suction blower is suctioning air and to open the opening and closing device so that the recovery container recovers the toner collected by the toner collection section after the suction blower is stopped.
    Type: Application
    Filed: November 16, 2010
    Publication date: June 2, 2011
    Inventors: Yasushi Koshimura, Daiki Yamanaka