Patents by Inventor Tatsuya Furuta

Tatsuya Furuta 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: 20200396975
    Abstract: A pest detector includes: a first electrode; a second electrode that is arranged to face the first electrode; an electric field generator that generates an electric field in a gap between the first electrode and the second electrode; an imager that images at least the first electrode; and a hardware processor that determines an attaching state of insect pests that can be attached to the first electrode, based on an image captured by the imager.
    Type: Application
    Filed: May 12, 2020
    Publication date: December 24, 2020
    Inventor: Tatsuya FURUTA
  • Publication number: 20200192240
    Abstract: A developing device includes a developer casing, a developer detector, and a hardware processor that performs control to set a developer amount range to either a first detection condition or a second detection condition. The hardware processor determines whether or not a developer amount within the developer casing has exceeded an acceptable value, based on a detection result in the developer detector under the second detection condition.
    Type: Application
    Filed: December 4, 2019
    Publication date: June 18, 2020
    Inventors: Shota SAKURAI, Hiroyuki SAITO, Yuji KAMODA, Tatsuya FURUTA
  • Patent number: 10642202
    Abstract: An image forming apparatus includes: an image carrier rotatably supported; a lubricant supplier that supplies lubricant to a surface of the image carrier; a blade that levels the lubricant supplied from the lubricant supplier in a film-like form on the surface of the image carrier; and a controller that controls image formation, wherein the controller has a lubricant removal mode to remove the lubricant accumulated on the blade, the lubricant removal mode includes a plurality of displacement modes each of which imparts different displacement to the blade, in each of the displacement modes, one of a displacement amount, a displacement speed, a displacement period, a displacement angle, and a displacement position of the blade is different, and the controller performs switching between the displacement modes dining execution of the lubricant removal mode.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: May 5, 2020
    Assignee: Konica Minolta Inc.
    Inventors: Yuji Kamoda, Shota Sakurai, Hiroyuki Saito, Tatsuya Furuta
  • Publication number: 20200073297
    Abstract: An image forming apparatus includes: an image carrier rotatably supported; a lubricant supplier that supplies lubricant to a surface of the image carrier, a blade that levels the lubricant supplied from the lubricant supplier in a film-like form on the surface of the image carrier, and a controller that controls image formation, wherein the controller has a lubricant removal mode to remove the lubricant accumulated on the blade, the lubricant removal mode includes a plurality of displacement modes each of which imparts different displacement to the blade, in each of the displacement modes, one of a displacement amount, a displacement speed, a displacement period, a displacement angle, and a displacement position of the blade is different, and the controller performs switching between the displacement modes during execution of the lubricant removal mode.
    Type: Application
    Filed: August 7, 2019
    Publication date: March 5, 2020
    Inventors: Yuji KAMODA, Shota SAKURAI, Hiroyuki SAITO, Tatsuya FURUTA
  • Patent number: 10534305
    Abstract: An image forming apparatus includes: an image former that forms a toner image based on input image information by superposing toners of plural colors on a recording material; a fixer that fixes the toner image formed on the recording material; a toner amount calculator that calculates, from the input image information, an amount of toners to be superposed on the recording material; and a hardware processor that controls the image former to supply an assistance toner that assists melting of the toners used for forming the toner image based on the input image information by an amount corresponding to the calculated amount of toners.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: January 14, 2020
    Assignee: Konica Minolta, Inc.
    Inventors: Hiroyuki Saito, Tetsuya Ishikawa, Tomohiro Kawasaki, Tatsuya Furuta, Ryoei Ikari, Aiko Kubota
  • Patent number: 10481537
    Abstract: An image forming apparatus that forms an image on a transfer material in an image forming mode, includes: a photoreceptor rotatable in a predetermined rotation direction; a developer that forms a toner image on the photoreceptor using a two-component developing agent including toner and a carrier; a transferor that transfers the toner image on the photoreceptor onto the transfer material; a carrier collector that applies an electric field corresponding to a collecting bias to a carrier adhering to the photoreceptor to collect the carrier; a carrier detector that detects a carrier remaining on the photoreceptor after collecting the carrier by the carrier collector; and a hardware processor that sets the collecting bias in the image forming mode on the basis of the amount of carriers detected by the carrier detector when a carrier adhesion detecting mode for forcibly causing a carrier to adhere to the photoreceptor is executed.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: November 19, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Hiroyuki Saito, Tetsuya Ishikawa, Tomohiro Kawasaki, Ryoei Ikari, Tatsuya Furuta, Aiko Kubota
  • Patent number: 10466614
    Abstract: A developing device includes a hardware processor that performs control not to cause an image to be formed on an image bearing member by a first developer bearing member and to cause a first image to be formed on the image beating member by a second developer bearing member, in which the hardware processor corrects developing conditions of the plural developer bearing members based on a developability detection result of the first image formed by the second developer bearing member.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: November 5, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Tatsuya Furuta, Hiroshi Morimoto, Keiki Katsumata, Satoru Nagata, Daiki Watanabe
  • Publication number: 20190258189
    Abstract: A developing device includes a hardware processor that performs control not to cause an image to be formed on an image bearing member by a first developer bearing member and to cause a first image to be formed on the image beating member by a second developer bearing member, in which the hardware processor corrects developing conditions of the plural developer bearing members based on a developability detection result of the first image formed by the second developer bearing member.
    Type: Application
    Filed: February 19, 2019
    Publication date: August 22, 2019
    Inventors: Tatsuya FURUTA, Hiroshi MORIMOTO, Keiki KATSUMATA, Satoru NAGATA, Daiki WATANABE
  • Patent number: 10296271
    Abstract: An image forming apparatus includes: a determination section configured to determine whether there is a possibility of generation of an image defect during a printing job for image formation on a plurality of pages based on image data included in the printing job; and a changing section configured to change an order of the pages to be subjected to image formation such that an image defect is not generated when the determination section determines that there is a possibility of generation of the image defect.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: May 21, 2019
    Assignee: Konica Minolta, Inc.
    Inventors: Wataru Watanabe, Shota Sakurai, Tatsuya Furuta, Kazuteru Ishizuka, Hiroshi Morimoto
  • Patent number: 10274865
    Abstract: A developing device includes: an image bearing member; a plurality of developing rollers each supplying toner to the image bearing member, and developing an electrostatic latent image on the image bearing member into a toner image; and a hardware processor analyzing values representing density fluctuations during the toner being supplied from the developing rollers to the image bearing member, for the respective developing rollers, and correcting a control value for an image density of at least one developing roller among the developing rollers based on an result of the analyzing so as to eliminate the density fluctuations, in consideration of an effect caused at the developing roller on a downstream side in a rotational direction of the image bearing member by correcting the control value for the image density of the developing roller on an upstream side.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: April 30, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Tatsuya Furuta, Tetsuya Ishikawa, Hiroyuki Saito, Tomohiro Kawasaki, Ryoei Ikari, Aiko Kubota
  • Patent number: 10222727
    Abstract: An image forming apparatus includes: an image former that forms on a recording material a toner image based on input image information; a fixer that fixes a toner image formed on the recording material; and a hardware processor that controls the image former and the fixer in which the hardware processor controls the image former to supply, to a region where no toner is provided between toner images based on the input image information, complementing toner having a thermal conductivity higher than a thermal conductivity of toner for forming the toner image based on input image information.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: March 5, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Tomohiro Kawasaki, Tetsuya Ishikawa, Hiroyuki Saito, Ryoei Ikari, Tatsuya Furuta, Aiko Kubota
  • Publication number: 20190049878
    Abstract: A developing device includes: an image bearing member; a plurality of developing rollers each supplying toner to the image bearing member, and developing an electrostatic latent image on the image bearing member into a toner image; and a hardware processor analyzing values representing density fluctuations during the toner being supplied from the developing rollers to the image bearing member, for the respective developing rollers, and correcting a control value for an image density of at least one developing roller among the developing rollers based on an result of the analyzing so as to eliminate the density fluctuations, in consideration of an effect caused at the developing roller on a downstream side in a rotational direction of the image bearing member by correcting the control value for the image density of the developing roller on an upstream side.
    Type: Application
    Filed: August 14, 2018
    Publication date: February 14, 2019
    Inventors: Tatsuya FURUTA, Tetsuya ISHIKAWA, Hiroyuki SAITO, Tomohiro KAWASAKI, Ryoei IKARI, Aiko KUBOTA
  • Patent number: 10203632
    Abstract: A developing device, includes a first storage chamber that stores developer; a first conveyor that is disposed in the first storage chamber and conveys developer; a developer supporter that is disposed so as to face an image supporter, supports developer conveyed from the first conveyor, and conveys the supported developer to a developing position where an electrostatic latent image formed on the image supporter is developed; a second storage chamber that stores developer conveyed via the developing position and communicates with the first storage chamber at a confluent opening; a second conveyor that is disposed in the second storage chamber and conveys developer conveyed via the developing position toward the confluent opening; and a third storage chamber that stores developer overflowing in a case where an amount of developer in the second storage chamber becomes a predetermined amount or more.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: February 12, 2019
    Assignee: KONICA MINOLTA, INC
    Inventors: Tatsuya Furuta, Hiroyuki Saito, Tetsuya Ishikawa, Tomohiro Kawasaki, Ryoei Ikari, Aiko Kubota
  • Patent number: 10197951
    Abstract: An image forming apparatus includes: a conveyance section configured to convey a sheet in a direction opposite to a first conveyance direction during image formation, the direction being a second conveyance direction; and a distortion correction section disposed on an upstream side of a transfer nip in the first conveyance direction and configured to correct, when the sheet is conveyed by the conveyance section in the second conveyance direction, distortion of the sheet generated when the sheet passes through a fixing nip.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: February 5, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Shota Sakurai, Hiroshi Morimoto, Wataru Watanabe, Kazuteru Ishizuka, Tatsuya Furuta
  • Patent number: 10183408
    Abstract: A blade cartridge includes a blade member provided with blades, a blade base member located on the back side of the blade cartridge, and a top member located on the front side of the blade cartridge. The blade member is arranged between the blade base member and the top member. The cutting edge of each blade is exposed through the top member. A blade supporting portion provided in the blade member has a plurality of step plates arranged in a blade arrangement direction, which is orthogonal to the direction in which the cutting edge extends. A reinforcement plate portion, which increases the rigidity of the step plate, is provided while being bent from the step plate. The blade supporting portion is also provided with a bridge portion for mutual coupling.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: January 22, 2019
    Assignee: KAI R&D CENTER CO., LTD.
    Inventor: Tatsuya Furuta
  • Patent number: 10088779
    Abstract: A developing device includes a developing roller which includes: a magnet roller having a plurality of magnetic poles in a circumferential direction; and a developing sleeve rotatably supported along an outer peripheral surface of the magnet roller, and which is configured to supply a toner to an image bearing member. The magnet roller is configured so that the relative position thereof to the developing sleeve is changeable.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: October 2, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Kazuteru Ishizuka, Tatsuya Furuta, Hiroshi Morimoto
  • Publication number: 20180217521
    Abstract: A developing device, includes a first storage chamber that stores developer; a first conveyor that is disposed in the first storage chamber and conveys developer; a developer supporter that is disposed so as to face an image supporter, supports developer conveyed from the first conveyor, and conveys the supported developer to a developing position where an electrostatic latent image formed on the image supporter is developed; a second storage chamber that stores developer conveyed via the developing position and communicates with the first storage chamber at a confluent opening; a second conveyor that is disposed in the second storage chamber and conveys developer conveyed via the developing position toward the confluent opening; and a third storage chamber that stores developer overflowing in a case where an amount of developer in the second storage chamber becomes a predetermined amount or more.
    Type: Application
    Filed: January 10, 2018
    Publication date: August 2, 2018
    Applicant: KONICA MINOLTA, INC.
    Inventors: Tatsuya FURUTA, Hiroyuki Saito, Tetsuya Ishikawa, Tomohiro Kawasaki, Ryoei Ikari, Aiko Kubota
  • Publication number: 20180217547
    Abstract: An image forming apparatus that forms an image on a transfer material in an image forming mode, includes: a photoreceptor rotatable in a predetermined rotation direction; a developer that forms a toner image on the photoreceptor using a two-component developing agent including toner and a carrier; a transferor that transfers the toner image on the photoreceptor onto the transfer material; a carrier collector that applies an electric field corresponding to a collecting bias to a carrier adhering to the photoreceptor to collect the carrier; a carrier detector that detects a carrier remaining on the photoreceptor after collecting the carrier by the carrier collector; and a hardware processor that sets the collecting bias in the image forming mode on the basis of the amount of carriers detected by the carrier detector when a carrier adhesion detecting mode for forcibly causing a carrier to adhere to the photoreceptor is executed.
    Type: Application
    Filed: January 11, 2018
    Publication date: August 2, 2018
    Inventors: Hiroyuki Saito, Tetsuya Ishikawa, Tomohiro Kawasaki, Ryoei Ikari, Tatsuya Furuta, Aiko Kubota
  • Publication number: 20180136582
    Abstract: An image forming apparatus includes: an image former that forms a toner image based on input image information by superposing toners of plural colors on a recording material; a fixer that fixes the toner image formed on the recording material; a toner amount calculator that calculates, from the input image information, an amount of toners to be superposed on the recording material; and a hardware processor that controls the image former to supply an assistance toner that assists melting of the toners used for forming the toner image based on the input image information by an amount corresponding to the calculated amount of toners.
    Type: Application
    Filed: October 31, 2017
    Publication date: May 17, 2018
    Applicant: Konica Minolta, Inc.
    Inventors: Hiroyuki SAITO, Tetsuya ISHIKAWA, Tomohiro KAWASAKI, Tatsuya FURUTA, Ryoei IKARI, Aiko KUBOTA
  • Patent number: 9964897
    Abstract: A developing device includes a first developing roller, a second developing roller, a first end portion configured to restrict the amount of developer on the second developing roller, a restriction member, and a collecting roller configured to collect developer on the first developing roller. The second end portion is located at a position where magnetic force interference with a magnetic force generated by the second developing roller and the collecting roller is not caused.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: May 8, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Kazuteru Ishizuka, Hiroshi Morimoto, Wataru Watanabe, Tatsuya Furuta, Shota Sakurai