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Assignee: Oki Data Corporation


Location: Tokyo, JP
No. of patents: 752

1                      
NumberTitleIssue Date
8185008Fixing device and image forming apparatus with a temperature detector
A fixing device includes a heater, first and second pressure-applying members, a belt support member, a fixing belt, a contact member and a temperature detector. The fixing belt is entrained about the heater, the first pressure-applying member and the belt support m...
05/22/2012
8184139Redundance control of temperature compensation for a LED printhead
A driving apparatus having driving circuits formed to correspond to driven circuits arranged on a circuit board. Each driving circuit includes a driving control unit for driving the corresponding driven circuit, a reference voltage generation unit for generating a r...
05/22/2012
8183590Image display apparatus having raised parts disposed on a substrate
An image display apparatus displaying an image by selectively emitting light from a plurality of semiconductor light emitting elements being regularly arranged, includes a substrate; a first conductive wiring layer being formed on the substrate and supplying a first...
05/22/2012
8182972Developer, developer storage unit, developing device, and image forming apparatus
Developer includes toner formed of base particles containing at least a binder resin. The base particles have surfaces coated with an additive agent, and the toner has a volume average particle size between 3.9 μm and 6.1 μm. The developer further includes agglome...
05/22/2012
8180264Image forming unit and image forming apparatus
An image forming unit and an image forming apparatus comprising the image forming unit are supplied capable of preventing toner in bottom part of toner accommodating room from accumulating so as to obtain toner image with good quality. In the image forming unit, a d...
05/15/2012
8180263Developing apparatus and image forming apparatus that incorporates the developing apparatus
A developing apparatus is incorporated in an image forming apparatus. An electrostatic latent image is formed on an image bearing body. A developing member supplies a developer material to the electrostatic latent image. A supplying member supplies the developer mat...
05/15/2012
8179572Communication device
A communication device receives and stores image data, and searches for information image data in the image data. If found, the information image data is removed, thereby shortening the image so that it can be completely reproduced on one page without compressing or...
05/15/2012
8175499Image forming apparatus with a plurality of image forming units
An image forming apparatus includes a first image forming unit for forming a color developer image using color developer; a second image forming unit for forming a transparent developer image using transparent developer; a transfer unit for transferring the transpar...
05/08/2012
8175469Image forming device with variable out-of-toner and low-toner display
An image forming device includes an imaging apparatus configured to form an image according to image data and to maintain information associated with performance of the imaging apparatus, a replaceable member that is mounted in the imaging apparatus and used for for...
05/08/2012
8174200Piezoelectric transformer driving device, cold-cathode tube inverter, cold-cathode tube driving device, and image forming apparatus
A piezoelectric transformer driving device including: an oscillator; a frequency-divider outputting a pulse by dividing a clock signal from the oscillator by a frequency-divide ratio received thereto; a switching element driven by the pulse and intermittently applyi...
05/08/2012
8174028Semiconductor composite apparatus, LED, LED printhead, and image forming apparatus
A semiconductor composite apparatus includes a substrate and a planarizing layer, and a semiconductor thin film. The planarizing layer is formed on the substrate either directly or indirectly. The planarizing layer includes a first surface that faces the substrate, ...
05/08/2012
8173339Electrophotographic apparatus, electrophotographic photoconductor drum, developing device and image forming device
An electrophotographic apparatus includes a photoconductor, a plurality of a series of bump portions formed on a surface of the photoconductor, the bump portions having slopes with respect to a circumferential direction of the photoconductor, and each of the bump po...
05/08/2012
8165505Developer cartridge adapted to restrict leakage of developer
A developer cartridge includes a developer storing portion that stores a developer and has a first opening for taking out the developer, and a shutter member slidably mounted to the developer storing portion so as to open and close the first opening. The shutter mem...
04/24/2012
8165497Developer storing apparatus, image forming unit and image forming apparatus
A developer storing apparatus which includes a developer storing portion for receiving and storing a developer. The developer storing apparatus also includes a developer carrying member including a rotary shaft and a spiral blade rotatably disposed in the developer ...
04/24/2012
8165496Powder material cartridge, image forming section, image forming apparatus
A powder material cartridge includes a waste toner chamber that prevents the waste toner from spilling. A receiving section is provided in the chamber and includes a first opening therein through which the powder material is received into the chamber. A first shutte...
04/24/2012
8164944Driver circuit and image forming apparatus
A driver circuit includes a memory cell for storing data and a data switching circuit. The memory cell includes a first inverter having a first output terminal and a first input terminal and a second inverter having a second output terminal and a second input termin...
04/24/2012
8164772Image forming apparatus and image forming method
What is disclosed is an image forming apparatus which is able to execute an auxiliary program combined to a prescribe control program that transforms a piece of received information to an image data wherein the image forming apparatus comprising: a memory section fo...
04/24/2012
8162359Pushbutton mechanism and image forming apparatus
A pushbutton mechanism includes a case member having an operation surface with a button hole and a pushbutton having an upper surface to be pushed inside the case member in a pushing direction. The upper surface includes a first portion at a front side of the operat...
04/24/2012
8162310Medium feeding device and image forming device
A medium feeding device includes: a sheet holding unit, which holds a sheet and is pivotally attached to a device main unit so that the sheet holding unit is pivotal between open and closed positions; a sheet feeding roller that is located close to the sheet holding...
04/24/2012
8157684Belt driving apparatus and image forming apparatus that uses the belt driving apparatus
A belt is entrained about the rollers. A belt guide is secured to an inner surface of the belt and is guided by pulleys. The belt guide is formed of a material that has a dissipation factor of tan δ≧0.05 at a resonance frequency of 1 Hz±10% and at a temperature ...
04/17/2012
8155563Image forming apparatus having print engine which prints position-coding pattern with specific developing material
An image forming apparatus is capable of printing a position-coding pattern. A first print engine prints a position-coding pattern and holds a first developer material therein. A plurality of second print engines each print a corresponding image in accordance with p...
04/10/2012
8150298Toner cartridge with protrusion portion and image forming apparatus
A developer cartridge includes a developer storage portion for retaining developer. The developer storage portion includes an opening portion. The developer cartridge further includes a shutter member for opening and closing the opening portion; and a first protrusi...
04/03/2012
8150279Image forming apparatus with energy accumulation diagnostics and state correction
An image forming apparatus includes an image forming unit for forming an image using a consumable supply; a cover attached to the image forming unit; an energy accumulation unit for accumulating energy when the cover is closed; an energy initializing unit for initia...
04/03/2012
8149425Image processing apparatus for designating reading conditions
An image processing apparatus includes a reading unit, a first designation unit, a first storage unit, and a reading control unit. The reading unit generates an image by reading multiple original documents. The designation unit designates a reading condition with re...
04/03/2012
8149259Drive device, LED array, LED head, and image forming apparatus provided therewith
A drive device for outputting a drive signal for driving a plurality of light emitting elements time-divisionally, the drive device includes a plurality of input terminals receiving input of a drive control signal for the light emitting elements, and a plurality of ...
04/03/2012
8146734Belt unit and image forming apparatus
A belt unit includes a first roller; a second roller; a belt extended with at least the first roller and the second roller; a first supporting member for supporting the first roller; a second supporting member disposed to be freely rotatable relative to the first su...
04/03/2012
8144019Image forming apparatus
An image forming apparatus is supplied capable of improving distance precision and relative position precision of a RFID tag and RFID unit so as to heighten communication quality of image forming apparatus. The image forming apparatus comprises attachable and remova...
03/27/2012
8139977Image forming apparatus with supporting member
An image forming apparatus includes a plurality of image forming units; a pair of supporting members for supporting both end portions of each of the image forming units; and a leg portion abutting against a mounting surface at a lower surface of each of the supporti...
03/20/2012
8138935Image processor
An image processor includes: a notification control unit configured, when apparatus condition information which requires an alert is received, to notify alert information corresponding to the alert using a notification unit; a storage unit configured to store first ...
03/20/2012
8138681Driving circuit, LED head and image forming apparatus
In a driving circuit, a drive transistor supplies drive electric current to record elements to construct an array, and a reference electric current generating circuit that provides a control voltage to the drive transistor and controls the drive electric current, wh...
03/20/2012
8135322Fixing device and image forming apparatus
A fixing device includes a heat member, a belt member, a belt support member, a first rotation member, a second rotation member, and a separation contact mechanism. The belt member is heated by the heat member. The belt support member operably supports the belt memb...
03/13/2012
8134758Image reading apparatus, image forming apparatus, image forming system that employs the image reading apparatus and the image forming apparatus
An image reading apparatus reads an image of a document. An image reading section reads an image of a document. A scanning mechanism causes the image reading section to move relative to the document when the document is at rest. When the image reading section is at ...
03/13/2012
8134754Image forming apparatus, image forming system, and image processing apparatus
An image forming apparatus which executes an image creation on the basis of image creation data including a first document identifier has: an input unit which inputs the image creation data; a storing unit which previously stores a second document identifier for lim...
03/13/2012
8134164Semiconductor device, optical print head and image forming apparatus
A semiconductor device and an optical print head, an image forming apparatus that has the semiconductor device are supplied capable of reduce occurrence probability of defect. The semiconductor device is formed by using semiconductor thin film bonded on the substrat...
03/13/2012
8131200Cleaning device and image forming device
A cleaning device includes a cleaning member for removing developer attached to a developer attaching member; a rotation carrying member which is rotatably configured to carry the developer that is removed by the cleaning member; a housing member for housing the dev...
03/06/2012
8131185Charging device, development device, and image forming apparatus
A charging device includes a charging member and a charging power source portion. The charging member, in a sheet shape, is secured by contacting a region of an electrostatic latent image to be formed on a rotatable image carrier. The charging power source portion a...
03/06/2012
8131183Developer collection container, developer cartridge, developing unit and image forming apparatus
A developer collection container includes a developer storing portion having first and second end portions in a longitudinal direction thereof. A developer supply opening is provided on the first end portion through which the developer is supplied into the developer...
03/06/2012
8130253Composite semiconductor device, print head and image forming apparatus
A composite semiconductor device is formed of a semiconductor wafer having a plurality of device-forming areas in which semiconductor elements are formed and dicing areas defined between the device-forming areas, and is formed by dicing the semiconductor wafer at th...
03/06/2012
8130247Image forming apparatus having first and second frames and a connecting member coupled thereto for facilitating multiple stages of movement
An image recording apparatus includes an image forming section, a first frame for supporting the imager forming section, a second frame for supporting the first frame loosely, and a supporting section disposed on an apparatus body for supporting the second frame in ...
03/06/2012
8126380Image forming apparatus
An image forming apparatus includes a plurality of image forming units forming a visible image by attaching charged developer to an electrostatic latent image, a transfer belt member being transferred the visible image formed by each of the plurality of image formin...
02/28/2012
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