Patents by Inventor Hirokatsu KODAMA

Hirokatsu KODAMA 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: 20210054531
    Abstract: A portable, hand-held electrospinning or electrospraying apparatus and system, method, and portions thereof, comprised of a durable portion of the hand-held apparatus and a consumable portion of the hand-held apparatus. The consumable portion of the hand-held apparatus, which may contain the solution to be output in electrospin or electrospray fashion, may be replaced in whole or in part to provide additional or alternative solution. A base station may be provided, and can output high voltage and communication signals to the hand-held apparatus to enable the electrospin or electrospray operation by the hand-held apparatus.
    Type: Application
    Filed: November 10, 2020
    Publication date: February 25, 2021
    Applicant: Kao Corporation
    Inventors: Hirokatsu SUGAWARA, Shinji KODAMA, Michael Edward Philip RUSSELL, Carl Gordon HEWETT, Joe Antony WILLIAMS
  • Patent number: 10851475
    Abstract: A portable, hand-held electrospinning or electrospraying apparatus and system, method, and portions thereof, comprised of a durable portion of the hand-held apparatus and a consumable portion of the hand-held apparatus. The consumable portion of the hand-held apparatus, which may contain the solution to be output in electrospin or electrospray fashion, may be replaced in whole or in part to provide additional or alternative solution. A base station may be provided, and can output high voltage and communication signals to the hand-held apparatus to enable the electrospin or electrospray operation by the hand-held apparatus.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: December 1, 2020
    Assignee: Kao Corporation
    Inventors: Hirokatsu Sugawara, Shinji Kodama, Michael Edward Philip Russell, Carl Gordon Hewett, Joe Antony Williams
  • Publication number: 20200052615
    Abstract: A motor drive apparatus drives and controls a plurality of motors that rotate a common drive shaft. The motor drive apparatus includes a motor drive hardware processor that outputs equal drive power to each of the plurality of motors, and manipulates the drive power with a rotational speed detection signal of any one of the plurality of motors as a feedback signal. The feedback signal is switched based on conditions such as responsiveness and efficiency.
    Type: Application
    Filed: July 9, 2019
    Publication date: February 13, 2020
    Inventors: Takumi Shirakuma, Hirokatsu Kodama, Hidenori Mine, Keigo Ogura, Kenji Izumiya
  • Publication number: 20200019108
    Abstract: An image forming device includes a resist roller feeding a sheet of paper toward an image forming unit; a first detector arranged upstream of the resist roller in a feeding direction to detect a front edge of the sheet of paper; a first calculator computing a first misalignment amount of the sheet of paper based on detection results by the first detector; a corrector correcting misalignment of the sheet of paper based on the computed first misalignment amount; a second detector arranged downstream of the resist roller in the feeding direction to detect a position of an end of the sheet of paper in a widthwise direction; a second calculator computing a second misalignment amount of the sheet of paper based on detection results by the second detector; and an adjuster adjusting a correction amount by the corrector based on the computed second misalignment amount.
    Type: Application
    Filed: July 2, 2019
    Publication date: January 16, 2020
    Applicant: KONICA MINOLTA, INC.
    Inventors: Hidenori MINE, Kenji IZUMIYA, Keigo OGURA, Takumi SHIRAKUMA, Hirokatsu KODAMA
  • Publication number: 20190393810
    Abstract: A driving device includes: a first motor that transmits power to a rotation shaft of a conveyance roller for conveying a paper sheet; a second motor that transmits power to the rotation shaft of the conveyance roller; and a motor controller that controls rotational speeds of the first and second motors by changing a control value, wherein the motor controller controls the control value of the first motor at multiple steps at a time of acceleration or deceleration and changes the control value of the second motor according to a change range of the control value of the first motor in synchronization with a timing when the control value of the first motor is changed.
    Type: Application
    Filed: June 19, 2019
    Publication date: December 26, 2019
    Applicant: KONICA MINOLTA, INC.
    Inventors: Keigo OGURA, Takumi SHIRAKUMA, Kenji IZUMIYA, Hidenori MINE, Hirokatsu KODAMA
  • Patent number: 10509349
    Abstract: A fixing device includes a first fixing section, a second fixing section, the first fixing section and the second fixing section forming a fixing nip therebetween, a nip width adjusting section capable of adjusting a nip width of the fixing nip, a rotation speed detecting section that detects a rotation speed of the second fixing section, and a hardware processor that controls the nip width adjusting section to make the nip width equal to a predetermined reference nip width.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: December 17, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Kenji Izumiya, Takumi Shirakuma, Keigo Ogura, Hidenori Mine, Hirokatsu Kodama
  • Publication number: 20190153623
    Abstract: A portable, hand-held electrospinning or electrospraying apparatus and system, method, and portions thereof, comprised of a durable portion of the hand-held apparatus and a consumable portion of the hand-held apparatus. The consumable portion of the hand-held apparatus, which may contain the solution to be output in electrospin or electrospray fashion, may be replaced in whole or in part to provide additional or alternative solution. A base station may be provided, and can output high voltage and communication signals to the hand-held apparatus to enable the electrospin or electrospray operation by the hand-held apparatus.
    Type: Application
    Filed: November 19, 2018
    Publication date: May 23, 2019
    Applicant: Kao Corporation
    Inventors: Hirokatsu Sugawara, Shinji Kodama, Michael Edward Philip Russell, Carl Gordon Hewett, Joe Antony Williams
  • Publication number: 20190146397
    Abstract: A fixing device includes a first fixing section, a second fixing section, the first fixing section and the second fixing section forming a fixing nip therebetween, a nip width adjusting section capable of adjusting a nip width of the fixing nip, a rotation speed detecting section that detects a rotation speed of the second fixing section, and a hardware processor that controls the nip width adjusting section to make the nip width equal to a predetermined reference nip width.
    Type: Application
    Filed: November 7, 2018
    Publication date: May 16, 2019
    Applicant: Konica Minolta, Inc.
    Inventors: Kenji IZUMIYA, Takumi SHIRAKUMA, Keigo OGURA, Hidenori MINE, Hirokatsu KODAMA
  • Patent number: 10054894
    Abstract: An image forming apparatus that controls to cut off exciting currents supplied to a plurality of motors to drive conveyance roller pairs after a leading end of a paper sheet is brought in contact with a registration roller pair, and, when cutting off the exciting currents, cut off the exciting current for at least one of the motors at a different timing from the other motors.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: August 21, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Hidenori Mine, Kenji Izumiya, Satoshi Ogata, Kenji Tamaki, Hirokatsu Kodama
  • Patent number: 10025235
    Abstract: An image forming apparatus includes: an image holder that holds a toner image; a transferer that is disposed opposite to the image holder so as to be in contact with the image holder and transfers the toner image from the image holder onto a recording sheet that is going through a contact part where the transferer contacts the image holder, by applying a transfer voltage between the transferer and the image holder; a first power source that applies a voltage of a first polarity to the image holder; and a second power source that applies a voltage of a second polarity, which is reverse to the first polarity, to the transferer.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: July 17, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Kenji Tamaki, Kenji Izumiya, Satoshi Ogata, Hidenori Mine, Hirokatsu Kodama
  • Publication number: 20180113410
    Abstract: An image forming apparatus that controls to cut off exciting currents supplied to a plurality of motors to drive conveyance roller pairs after a leading end of a paper sheet is brought in contact with a registration roller pair, and, when cutting off the exciting currents, cut off the exciting current for at least one of the motors at a different timing from the other motors.
    Type: Application
    Filed: September 28, 2017
    Publication date: April 26, 2018
    Inventors: Hidenori MINE, Kenji IZUMIYA, Satoshi OGATA, Kenji TAMAKI, Hirokatsu KODAMA
  • Publication number: 20180059584
    Abstract: An image forming apparatus includes: an image holder that holds a toner image; a transferer that is disposed opposite to the image holder so as to be in contact with the image holder and transfers the toner image from the image holder onto a recording sheet that is going through a contact part where the transferer contacts the image holder, by applying a transfer voltage between the transferer and the image holder; a first power source that applies a voltage of a first polarity to the image holder; and a second power source that applies a voltage of a second polarity, which is reverse to the first polarity, to the transferer.
    Type: Application
    Filed: August 15, 2017
    Publication date: March 1, 2018
    Inventors: Kenji TAMAKI, Kenji IZUMIYA, Satoshi OGATA, Hidenori MINE, Hirokatsu KODAMA
  • Patent number: 9703238
    Abstract: An image forming system includes: an image forming apparatus that forms an image on a sheet; one or more sheet carrying devices successively disposed on the downstream side of the image forming apparatus; and a control device that controls the image forming apparatus and the one or more sheet carrying devices based on a job that designates a page configuration containing a page order and sheet types, wherein the sheet carrying device includes a bypass conveyance path along which the sheet output from an upstream device is conveyed toward a downstream device, and a sheet tray unit that temporarily stores the sheet output from the upstream device and discharges the sheet toward the bypass conveyance path, and the control device divides the job into sheet types and determines a printing order of the divided sheet types and sheet types to be stored in the sheet carrying device.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: July 11, 2017
    Assignee: KONICA MINOLTA, INC.
    Inventors: Kenji Izumiya, Kiyoto Kojima, Satoshi Ogata, Hirokatsu Kodama
  • Publication number: 20160259278
    Abstract: An image forming system includes: an image forming apparatus that forms an image on a sheet; one or more sheet carrying devices successively disposed on the downstream side of the image forming apparatus; and a control device that controls the image forming apparatus and the one or more sheet carrying devices based on a job that designates a page configuration containing a page order and sheet types, wherein the sheet carrying device includes a bypass conveyance path along which the sheet output from an upstream device is conveyed toward a downstream device, and a sheet tray unit that temporarily stores the sheet output from the upstream device and discharges the sheet toward the bypass conveyance path, and the control device divides the job into sheet types and determines a printing order of the divided sheet types and sheet types to be stored in the sheet carrying device.
    Type: Application
    Filed: February 5, 2016
    Publication date: September 8, 2016
    Inventors: Kenji IZUMIYA, Kiyoto KOJIMA, Satoshi OGATA, Hirokatsu KODAMA