Patents by Inventor Noriyuki Takuwa

Noriyuki Takuwa 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).

  • Patent number: 11947297
    Abstract: An image forming device of an embodiment includes an image forming unit, a first toner cartridge, an accommodating unit, and a transfer belt. The image forming unit is configured to form a toner image having at least one color. The first toner cartridge is configured to accommodate a toner having a first color to be supplied to the image forming unit. The accommodating unit is provided in a space where at least one toner cartridge accommodating a toner having a color different from the first color to be supplied to the image forming unit is disposable side by side with the first toner cartridge. The transfer belt is disposed to be travelable through the image forming unit, disposed to face the first toner cartridge and the accommodating unit, and is configured to transfer the toner image formed by the image forming unit.
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: April 2, 2024
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventor: Noriyuki Takuwa
  • Publication number: 20240069477
    Abstract: An image forming device of an embodiment includes an image forming unit, a first toner cartridge, an accommodating unit, and a transfer belt. The image forming unit is configured to form a toner image having at least one color. The first toner cartridge is configured to accommodate a toner having a first color to be supplied to the image forming unit. The accommodating unit is provided in a space where at least one toner cartridge accommodating a toner having a color different from the first color to be supplied to the image forming unit is disposable side by side with the first toner cartridge. The transfer belt is disposed to be travelable through the image forming unit, disposed to face the first toner cartridge and the accommodating unit, and is configured to transfer the toner image formed by the image forming unit.
    Type: Application
    Filed: August 30, 2022
    Publication date: February 29, 2024
    Inventor: Noriyuki Takuwa
  • Patent number: 11758062
    Abstract: According to one embodiment, an image forming apparatus includes a housing, a first sensor configured to detect a user in front of the housing, an illumination light configured to emit light in an illumination direction, and an opening and closing element configured to open and close a portion of the housing. A second sensor is configured to detect the opening and the closing of the opening and closing element. An adjuster is configured to change a detection distance of the first sensor and the illumination direction in conjunction with each other by physical movement. A controller is configured to turn on the illumination light when the opening and closing element is open, and turn off the illumination light when is closed.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: September 12, 2023
    Assignee: Toshiba Tec Kabushiki Kaisha
    Inventor: Noriyuki Takuwa
  • Publication number: 20230269335
    Abstract: According to one embodiment, an image forming apparatus includes a housing, a first sensor configured to detect a user in front of the housing, an illumination light configured to emit light in an illumination direction, and an opening and closing element configured to open and close a portion of the housing. A second sensor is configured to detect the opening and the closing of the opening and closing element. An adjuster is configured to change a detection distance of the first sensor and the illumination direction in conjunction with each other by physical movement. A controller is configured to turn on the illumination light when the opening and closing element is open, and turn off the illumination light when is closed.
    Type: Application
    Filed: February 22, 2022
    Publication date: August 24, 2023
    Inventor: Noriyuki TAKUWA
  • Publication number: 20230147095
    Abstract: An image forming device according to an embodiment includes a human sensor configured to detect a person in front of the device and an adjustment mechanism configured to move the human sensor to adjust a detection distance. A sensor cover panel is provided for an exterior of the device and is configured to cover the human sensor and the adjustment mechanism. The adjustment mechanism includes an operator element that is manually operable by a user to adjust the detection distance. The human sensor and adjustment mechanism are disposed behind the sensor cover panel. The sensor cover panel has a detection window through which a detection wave for the human sensor can pass. The sensor cover panel has an opening through which the operator element is exposed so as to be seen by a user from both the front side and a lateral side of the device.
    Type: Application
    Filed: August 25, 2022
    Publication date: May 11, 2023
    Inventor: Noriyuki TAKUWA
  • Patent number: 10939009
    Abstract: In one embodiment, an image forming apparatus has a discharge portion and a guide member. The discharge portion has a space surrounded by wall surfaces of a chassis, and a side opening portion to open the space. The discharge portion receives a sheet to be discharged from a discharge port of the chassis, and houses the sheet in the space so that the sheet can be taken out from the side opening portion. The guide member is arranged at an end portion in the side opening portion, and extends toward upward from the rear side toward the front side of the chassis.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: March 2, 2021
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventor: Noriyuki Takuwa
  • Publication number: 20200128139
    Abstract: In one embodiment, an image forming apparatus has a discharge portion and a guide member. The discharge portion has a space surrounded by wall surfaces of a chassis, and a side opening portion to open the space. The discharge portion receives a sheet to be discharged from a discharge port of the chassis, and houses the sheet in the space so that the sheet can be taken out from the side opening portion. The guide member is arranged at an end portion in the side opening portion, and extends toward upward from the rear side toward the front side of the chassis.
    Type: Application
    Filed: December 17, 2019
    Publication date: April 23, 2020
    Inventor: Noriyuki TAKUWA
  • Patent number: 10547759
    Abstract: In one embodiment, an image forming apparatus has a discharge portion and a guide member. The discharge portion has a space surrounded by wall surfaces of a chassis, and a side opening portion to open the space. The discharge portion receives a sheet to be discharged from a discharge port of the chassis, and houses the sheet in the space so that the sheet can be taken out from the side opening portion. The guide member is arranged at an end portion in the side opening portion, and extends toward upward from the rear side toward the front side of the chassis.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: January 28, 2020
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventor: Noriyuki Takuwa
  • Patent number: 10379480
    Abstract: In one embodiment, an image forming apparatus has an image forming device, a discharge port of a recording medium, a conveying device of the recording medium, and a controller. The controller judges a kind of the recording medium and the discharge port that is a conveying destination of the recording medium. The controller controls a conveying speed of the recording medium to be discharged from the discharge port by the conveying device, in accordance with the kind of the recording medium and the conveying destination of the recording medium which have been judged.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: August 13, 2019
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHA
    Inventor: Noriyuki Takuwa
  • Publication number: 20190082060
    Abstract: In one embodiment, an image forming apparatus has a discharge portion and a guide member. The discharge portion has a space surrounded by wall surfaces of a chassis, and a side opening portion to open the space. The discharge portion receives a sheet to be discharged from a discharge port of the chassis, and houses the sheet in the space so that the sheet can be taken out from the side opening portion. The guide member is arranged at an end portion in the side opening portion, and extends toward upward from the rear side toward the front side of the chassis.
    Type: Application
    Filed: September 12, 2018
    Publication date: March 14, 2019
    Inventor: Noriyuki TAKUWA
  • Publication number: 20180348693
    Abstract: In one embodiment, an image forming apparatus has an image forming device, a discharge port of a recording medium, a conveying device of the recording medium, and a controller. The controller judges a kind of the recording medium and the discharge port that is a conveying destination of the recording medium. The controller controls a conveying speed of the recording medium to be discharged from the discharge port by the conveying device, in accordance with the kind of the recording medium and the conveying destination of the recording medium which have been judged.
    Type: Application
    Filed: August 8, 2018
    Publication date: December 6, 2018
    Inventor: Noriyuki TAKUWA
  • Patent number: 10073402
    Abstract: In one embodiment, an image forming apparatus has an image forming device, a discharge port of a recording medium, a conveying device of the recording medium, and a controller. The controller judges a kind of the recording medium and the discharge port that is a conveying destination of the recording medium. The controller controls a conveying speed of the recording medium to be discharged from the discharge port by the conveying device, in accordance with the kind of the recording medium and the conveying destination of the recording medium which have been judged.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: September 11, 2018
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHA
    Inventor: Noriyuki Takuwa
  • Publication number: 20180059610
    Abstract: In one embodiment, an image forming apparatus has an image forming device, a discharge port of a recording medium, a conveying device of the recording medium, and a controller. The controller judges a kind of the recording medium and the discharge port that is a conveying destination of the recording medium. The controller controls a conveying speed of the recording medium to be discharged from the discharge port by the conveying device, in accordance with the kind of the recording medium and the conveying destination of the recording medium which have been judged.
    Type: Application
    Filed: August 21, 2017
    Publication date: March 1, 2018
    Inventor: Noriyuki TAKUWA
  • Publication number: 20170183179
    Abstract: A sheet feeding apparatus includes a sheet conveying unit configured to convey a sheet along a conveyance path, a detecting unit configured to detect the sheet passing along the conveyance path, a control unit configured to determine an amount of delay of a sheet conveyed along the conveyance path based on the detection and determine information to be output based on the amount of the delay, and an output unit configured to output the information.
    Type: Application
    Filed: March 16, 2017
    Publication date: June 29, 2017
    Inventor: Noriyuki TAKUWA
  • Patent number: 9637337
    Abstract: A sheet feeding apparatus includes a sheet conveying unit configured to convey a sheet along a conveyance path, a detecting unit configured to detect the sheet passing along the conveyance path, a control unit configured to determine an amount of delay of a sheet conveyed along the conveyance path based on the detection and determine information to be output based on the amount of the delay, and an output unit configured to output the information.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: May 2, 2017
    Assignees: Kabushiki Kaisha Toshiba, Toshiba TEC Kabushiki Kaisha
    Inventor: Noriyuki Takuwa
  • Publication number: 20160347563
    Abstract: A sheet feeding apparatus includes a sheet conveying unit configured to convey a sheet along a conveyance path, a detecting unit configured to detect the sheet passing along the conveyance path, a control unit configured to determine an amount of delay of a sheet conveyed along the conveyance path based on the detection and determine information to be output based on the amount of the delay, and an output unit configured to output the information.
    Type: Application
    Filed: May 26, 2015
    Publication date: December 1, 2016
    Inventor: Noriyuki TAKUWA
  • Patent number: 8538281
    Abstract: An image forming apparatus includes: an image carrier transferring the developer image to a material at a transfer position; plural developing units supplying developer of corresponding colors; a cleaner disposed downstream of the transfer position in the rotating direction of the image carrier with respect to the image carrier; a recycle developer storage unit storing the developer; a recycle developer developing unit supplying the developer to the image carrier; and a control unit controlling a recycle developer adjustment by supplying the developer from at least one of the plural developing units to the image carrier, forming a developer image on the image carrier, allowing the developer image to pass through the transfer position without being transferred onto the material, and allowing the developer of the developer image to be recovered in the cleaner to supply the developer to the recycle developer storage unit.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: September 17, 2013
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
    Inventors: Noriyuki Takuwa, Hirofumi Hiyoshi
  • Patent number: 8254815
    Abstract: A toner cartridge in a bottle shape for storing toner is composed of a first cylindrical portion having a blocked bottom wall at one end and an opening at the other end and a second cylindrical portion in which one end thereof is connected to the opening, and an opening for ejecting toner is formed at the other end, and the outside diameter thereof is smaller than the first cylindrical portion.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: August 28, 2012
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
    Inventor: Noriyuki Takuwa
  • Patent number: 8228511
    Abstract: The one embodiment of present invention provides an image forming apparatus including a memory unit that stores image data, a main control block that causes an image forming section to output an output image onto an output medium on the basis of the image data generated by an image reading section and stored in the memory unit, case members that houses any one of the memory unit and the main control block or both, respectively, and a cooling mechanism that is located in a predetermined position of the case members and guides an air flow that has passes through one case member to the other case member.
    Type: Grant
    Filed: August 28, 2008
    Date of Patent: July 24, 2012
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
    Inventor: Noriyuki Takuwa
  • Publication number: 20120014721
    Abstract: A toner cartridge in a bottle shape for storing toner is composed of a first cylindrical portion having a blocked bottom wall at one end and an opening at the other end and a second cylindrical portion in which one end thereof is connected to the opening, and an opening for ejecting toner is formed at the other end, and the outside diameter thereof is smaller than the first cylindrical portion.
    Type: Application
    Filed: September 23, 2011
    Publication date: January 19, 2012
    Applicants: TOSHIBA TEC KABUSHIKI KAISHA, KABUSHIKI KAISHA TOSHIBA
    Inventor: Noriyuki Takuwa