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Inventor:
Sekiguchi; Nobuo
Address:
Moriya, JP
No. of patents:
20
Patents:












Patent Number Title Of Patent Date Issued
8561978 Image forming system October 22, 2013
An image forming system having: a sheet feeding unit which cuts a roll sheet and feeds cut sheets; a stack unit which stacks and stores the sheets fed by the sheet feeding unit and feeds the stored sheets; an image forming portion which forms an image on the sheets fed from the stack
8128081 Document feeding apparatus March 6, 2012
A document feeding apparatus includes a document tray configured to receive a document placed thereon and to move up and down, a start key configured to issue a command to start a process accompanied by a document feeding of the feeding unit, and an operation key configured to be use
8011651 Original-feeding device September 6, 2011
An original-feeding device includes an original tray, a pickup roller configured to be lowered onto originals stacked on the tray and to feed one of the originals, the pickup roller configured to be lifted up after the feeding, a conveyor configured to convey the fed original, a length
7965955 Image forming apparatus June 21, 2011
An image forming apparatus is operable in a speed priority mode in which a temperature range that permits a fixing operation via a pressure belt is wide and an image-quality priority mode in which a temperature range that permits a fixing operation via the pressure belt is narrow. A user
7941089 Image forming system and clear coating apparatus May 10, 2011
A image forming system that can prevent a toner from coming off while reducing the amount of consumption of a clear toner in binding sheets into a book. An image forming apparatus 100 forms an image on a sheet. A clear coating apparatus 200 forms a clear coating image on the sheet us
7924463 Image processing apparatus and control method thereof April 12, 2011
An image processing apparatus comprising an image processing unit configured to execute image processing by selectively using a plurality of image processing patterns, a selecting unit configured to select one of the plurality of image processing patterns according to a user's operat
7860447 Curling device and image forming apparatus December 28, 2010
A curling device includes a first curling unit configured to curl a sheet in a first direction and a second curling unit. The second curling unit is for curling a sheet which has passed the first curling unit in a second direction which is opposite to the first direction. The curling
7792446 Image heating apparatus with controller for changing time duration of pressing belt with fixing September 7, 2010
In a construction wherein at the start of fixing, a pressure belt is brought into contact with a fixing roller at uniform timing, it has sometimes been the case that the temperature of the pressure belt at a point of time whereat the fixing is started does not become a desired temper
7676166 Image forming apparatus March 9, 2010
An image forming apparatus that can provide a quality image in a stable manner without lowering the productivity. A reference image forming unit forms reference images on a transfer member. A plurality of sensing units detect densities of the formed reference images. A control unit adjus
7568510 Bookbinding apparatus, control method therefor, image forming apparatus, and control method ther August 4, 2009
A bookbinding apparatus which is capable of suppressing volatile components of an adhesive causing abnormal odor from leaking out of the bookbinding apparatus, to thereby reduce discomfort to nearby operators and an operator exchanging a deodorizing filter. The bookbinding apparatus
7457556 Image forming apparatus forming images using light and dark toners and control method thereof November 25, 2008
An image forming apparatus performing development using light toner of a first color and dark toner of the first color includes a control unit configured to control tone in order to set gradation characteristics of an image developed with the light toner; a determination unit configured
7433620 Image forming apparatus with controlled electric power supply to heating member October 7, 2008
An image forming apparatus including a fixing device for fixing by heat an image formed on a recording material; a heater for heating the fixing device; a controller for controlling electric power supply to the heater, wherein the apparatus is operable in a stand-by mode in which an elec
7424235 Image forming apparatus September 9, 2008
In an image forming apparatus including a fixing device that uses a pressure belt as at least one of two pressing members, a warm-up time and time for shifting to a standby state are reduced with simple control without increasing power consumption. The two pressing members are brough
7421220 Image forming apparatus with fixing control based on recording material type September 2, 2008
An image forming apparatus has an image forming device for forming an image on a recording material; a heating member heating the image formed on the recording material in a nip portion; an endless belt conveying the recording material toward the nip portion formed between itself and the
7413177 Sheet processing apparatus, method of controlling the sheet processing apparatus, control progra August 19, 2008
A sheet processing apparatus which makes it possible to carry out optimal bundling, such as bookbinding, according to sheet thickness, thereby enhancing the operability of the apparatus. A sensor LED control section 114 detects the thickness of a bundle of sheets to be processed. A p
7391980 Image forming apparatus includes a fixation device control based on a sheet-type when a jam occu June 24, 2008
An image forming apparatus of the present invention includes an image formation portion for forming a toner image on a sheet, and a fixation device for fixing the toner image formed by the image formation portion on the sheet. When a sheet jam occurs, it is controlled whether the fix
7327967 Image heating apparatus with variable timing February 5, 2008
In a construction wherein at the start of fixing, a pressure belt is brought into contact with a fixing roller at uniform timing, it has sometimes been the case that the temperature of the pressure belt at a point of time whereat the fixing is started does not become a desired temper
7292795 Image forming apparatus with carbon based fixing material November 6, 2007
An image forming apparatus has a fixing unit for fixing a toner image formed on a recording material, and a heater, for heating the fixing unit, made of a carbon-based material. In order to detect and expect the life of the heating unit with good accuracy, the image forming apparatus
7283759 Image forming apparatus with heating member control in accordance with type of recording materia October 16, 2007
An image forming apparatus of the present invention has an image forming device for forming an image on a recording material; a heating member heating the image formed on the recording material in a nip portion; an endless belt conveying the recording material toward the nip portion
7280777 Image forming apparatus with fixing control based on recording material type October 9, 2007
An image forming apparatus has an image forming device for forming an image on a recording material; a heating member heating the image formed on the recording material in a nip portion; an endless belt conveying the recording material toward the nip portion formed between itself and the










 
 
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