Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8238789 | Article of consumption and image forming apparatus having the same An image forming apparatus having a consumable detachably installed in the main body is disclosed. The image forming apparatus includes a main body having a first opening, a consumable which is detachably installed in the main body, a door mounted on the main body t... | 08/07/2012 |
| 8126360 | Temperature control unit for electrophotographic photoconductor substrate There is provided a temperature control unit for an electrophotographic photoconductor substrate, containing a stretchable membrane member which is detachably disposed in a hollow space of the cylindrical substrate, wherein the membrane member is configured to seque... | 02/28/2012 |
| 8126359 | Use of xerographic images and a full-width array sensor for multiple control system sensing A method for monitoring an image printing system that prints color images on an image bearing surface movable in a process direction is provided. The method includes placing marking material to form a row comprising a plurality of registration marks on the image bea... | 02/28/2012 |
| 8064795 | Electrophotographic image forming apparatus and process cartridge An electrophotographic image forming apparatus, including a photoreceptor, a charger charging the surface of the photoreceptor, an irradiator irradiating the surface of the photoreceptor with imagewise light to form an electrostatic latent image thereon, an image de... | 11/22/2011 |
| 7890020 | Organic photoconductor drum An organic photoconductor (OPC) drum includes a support member formed as a unitary molded body, a pair of mounting members, a pair of rollers, and an OPC belt. The support member includes a plurality of support plates, a plurality of groove-defining U-shaped segment... | 02/15/2011 |
| 7751748 | Image-forming device An image-forming device includes a plurality of photosensitive drums, a plurality of drum gears, a plurality of drive gears and a removal allowing unit. Each drum gear has a first target portion. Each drive gear has a second target portion. The removal allowing unit... | 07/06/2010 |
| 7734217 | Sheet post-processing apparatus with protection cover A sheet post-processing apparatus of the invention includes a sheet guiding unit configured to have plural components including paper carrying components be attached thereto, a tray onto which a sheet of paper is discharged, and a protection cover attached to the sh... | 06/08/2010 |
| 7702253 | Process cartridge and image forming apparatus A process cartridge including a main frame including a first side wall and a second side wall, and an image carrying member supported by the first side wall and the second side wall in a manner that permits the image carrying member to rotate. The image carrying mem... | 04/20/2010 |
| 7650098 | Image forming apparatus having a plurality of photosensitive drums An image forming apparatus including an outer frame, a photosensitive unit, a drum drive gear, a first positioning portion, and a second positioning portion. The photosensitive unit includes a plurality of photosensitive drums, a first supporting shaft, a second sup... | 01/19/2010 |
| 7529504 | Organic photoconductor, process cartridge and image forming apparatus both employing the same An image forming apparatus has an organic photoconductor having a surface layer containing fluorine-containing resin particles whose number average primary particle size is not less than 0.02 μm and is less than 0.20 μm; a charging device to charge by bring an cha... | 05/05/2009 |
| 7489889 | Image formation apparatus and photoreceptor cartridge An image forming apparatus, includes: a mainframe; a photoreceptor; an exposing unit that exposes a surface of the photoreceptor to form an electrostatic latent image; and a developing unit that develops the electrostatic latent image by supplying a charged develope... | 02/10/2009 |
| 7454157 | Image forming device and unit position adjustment method The present invention provides an image forming device capable of forming high-quality images and affording high-precision rotating shaft parallelism between surface mobile bodies, and a unit position adjustment method for adjusting the position of a surface mobile ... | 11/18/2008 |
| 7450883 | Film loader for an image forming apparatus A film loading method of an image forming apparatus, includes: loading an endless film which was stored in a container box, using at least two support members, to a film frame of the image forming apparatus, wherein the film is supported by the support members in a ... | 11/11/2008 |
| 7433628 | Photoreceptors, developing cartridge using the same, and image forming apparatus using the same A developing cartridge and an image forming apparatus having a photoreceptor drum are provided. The photoreceptor drum includes a pair of sleeves having outer diameter units inserted into the ends of a cylindrical drum on which a photoconductive material layer is fo... | 10/07/2008 |
| 7418222 | Photoreceptor module A photoreceptor module located within a housing. The photoreceptor module includes a photoreceptor belt, a belt support to maintain the belt in a desired configuration, and a transfer assembly. The transfer assembly is operably positioned in close proximity to the b... | 08/26/2008 |
| 7406275 | Detachable developer capable of maintaining nip A detachable developer in which a photosensitive unit and a development unit are separately and independently installed in a main body. The detachable developer includes a first axis connection member extending from one end portion of the photosensitive unit toward ... | 07/29/2008 |
| 7400846 | Image forming apparatus having guide supporting brackets including paper transportation guides An image forming apparatus includes an apparatus main body, a photoconductive drum, a transfer roller, a pair of guide supporting brackets, and an urging member. The guide supporting brackets include two paper transportation guides, and the brackets are mounted on b... | 07/15/2008 |
| 7395001 | Electrophotographic image forming apparatus An electrophotographic image forming apparatus in which a reduction in image density when continuous sheet supply endurance is effected under a low-humidity environment is prevented, and under a high-humidity environment, an image deletion is prevented. A photosensi... | 07/01/2008 |
| 7395008 | Image formation apparatus and photoreceptor cartridge An image forming apparatus, includes: a mainframe; a photoreceptor; an exposing unit that exposes a surface of the photoreceptor to form an electrostatic latent image; and a developing unit that develops the electrostatic latent image by supplying a charged develope... | 07/01/2008 |
| 7383000 | Process cartridge and image forming apparatus When the user inserts an insertion end portion of an image forming unit covered with a protective cover into an attachment opening on an apparatus main unit along with a buffer sheet and a blackout sheet, the insertion end portion of an exterior cover sheet touches ... | 06/03/2008 |
| 7369793 | Belt unit for image-forming apparatus A belt unit is detachably mountable in an image-forming apparatus. The belt unit includes: at least two rollers, each having a roller shaft; an endless belt looped around the two rollers; and an outer frame disposed around the endless belt and having two roller-supp... | 05/06/2008 |
| 7366431 | Developing device, process cartridge and image forming apparatus In accordance with the present invention, a transparent or semitransparent window is formed in a developing device or a process cartridge to allow one to see the inside of the developing device via the window from the outside. The window may preferably be formed in ... | 04/29/2008 |
| 7366441 | Method and apparatus for image forming having a predetermined gap formed between an image bearing member and a developing member A process cartridge includes an image bearing unit, a developing unit, and first and second positioning members. The image bearing unit includes a photoconductor, and a photoconductor case accommodating the photoconductor. The developing unit detachably combined wit... | 04/29/2008 |
| 7359658 | Tension adjuster of belt of image forming apparatus A tension adjuster for a belt of image forming apparatus is provided. The tension adjuster of the belt includes a tension roller which rotates in contact with an inner surface of the belt. A fixed shaft is disposed a predetermined distance away from the tension roll... | 04/15/2008 |
| 7358018 | Substrate for electrophotographic photoreceptor, process for producing the substrate, and electrophotographic photoreceptor employing the substrate An electrophotographic photoreceptor substrate which can be easily produced with high productivity and prevents the occurrence of image defects, and which has fine grooves formed in the surface thereof and is characterized in that the grooves are curved and disconti... | 04/15/2008 |
| 7347318 | Image forming device An image forming device includes: a main unit; an image bearing body; a belt unit; and a tension-applying mechanism. The belt unit is detachably mounted in the main unit and has a pair of supporting rollers supporting an endless belt thereon. The endless belt has an... | 03/25/2008 |
| 7340199 | Image forming device The present invention provides an image forming device, which facilitates maintenance and replacement of an intermediate transfer body and an image carrier, and prevents a deterioration in image quality which accompanies the formation of the intermediate transfer bo... | 03/04/2008 |
| 7340201 | Image formation device, development unit, and computer system An image forming apparatus is provided with: a moving body provided with a plurality of attach/detach sections, wherein a developing unit is attachable to and detachable from each of the attach/detach sections, and the developing unit has a developer containing sect... | 03/04/2008 |
| 7336917 | Film loader for an image forming apparatus A film loader for the image forming apparatus has a film formed endlessly and a film frame for holding the film, wherein a guide member for attaching or detaching the film with respect to the film loading portion of the film frame is formed by a packaging member for... | 02/26/2008 |
| 7336916 | Electrophotographic image forming apparatus An electrophotographic image forming apparatus includes a print unit that prints an image by an electrophotographic process and has a developer cartridge having a photoreceptor drum. A door opens and closes one side of the print unit to install and remove the develo... | 02/26/2008 |
| 7331217 | Re-usable main drain testing method and apparatus A removable, convenient main drain testing system is provided through the use of a testing device that includes a cap clampable about a drain pipe, an air pressure gauge, a valve and connection to an air compressor. The assembly can be moved from one jobsite to the ... | 02/19/2008 |
| 7333254 | Optical scanning apparatus, illuminant apparatus and image forming apparatus An optical scanning apparatus scans a surface to be scanned in a main scanning direction by simultaneously using a plurality of optical spots formed of a plurality of optical beams emitted from an illuminant, comprising: a light path deflecting part deflecting a lig... | 02/19/2008 |
| 7327970 | Process cartridge and image forming device having the same A process cartridge of an image forming device has a photosensitive body unit including a photosensitive body and a photosensitive body driving part. The photosensitive body driving unit has a photosensitive body gear formed on a photosensitive body shaft. An electr... | 02/05/2008 |
| 7321742 | Image forming apparatus, drum unit, image forming module, and method of insertion and removal of a damper into and from an image carrier drum An image forming apparatus includes a photoreceptor belt formed by either a belt or a thin-walled cylinder. A charging unit that sets bias characteristics of the photoreceptor belt has an arrangement to approach towards the photoreceptor belt. A damper is provided o... | 01/22/2008 |
| 7319836 | Image forming device An image forming device includes a device frame and a photoconductive drum. The device frame includes a driving device, a driving gear that transmits a driving force from the driving device, and an urging member that supports the driving gear in a manner capable of ... | 01/15/2008 |
| 7315710 | Electrophotographic photosensitive drum supporting apparatus, process cartridge and electrophotographic image forming apparatus An electrophotographic photosensitive drum supporting apparatus for rotatably supporting a photosensitive drum includes a first supporting member having a first hole for supporting one end of the drum, and first and second surfaces on one side and the other side of ... | 01/01/2008 |
| 7313346 | Image formation apparatus and photoreceptor cartridge An image forming apparatus, includes: a mainframe; a photoreceptor; an exposing unit that exposes a surface of the photoreceptor to form an electrostatic latent image; and a developing unit that develops the electrostatic latent image by supplying a charged develope... | 12/25/2007 |
| 7310489 | Process cartridge including first and second portions to be positioned and first and second portions to be supported and image forming apparatus detachably mounting such process cartridge A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus. The cartridge includes an electrophotographic photosensitive drum, a developing roller, a drum unit for rotatably supporting the drum, first and second por... | 12/18/2007 |
| 7310488 | Belt device and image forming apparatus A belt device includes an endless belt, a plurality of rollers around which the endless belt is wound, and a foreign material entry preventing member disposed on at least one side of the endless belt in the width direction. The foreign material entry preventing memb... | 12/18/2007 |
| 7308220 | Belt unit of electrophotographic printing apparatus A belt unit of an electrophotographic printing apparatus, includes: two rollers for supporting a belt so as to be substantially in parallel with each other; two frames for supporting the rollers and attached to opposite ends of one of the rollers respectively so as ... | 12/11/2007 |
