Did You Know...
...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7801472 | Device and method for printing on both faces of a recording medium, comprising a charge shifting and recharging device In a method or device for simultaneous double-sided printing of a recording medium, the first toner image having toner charged with a first polarity is generated on a first transfer belt and a second toner image having toner also charged with the first polarity is g... | 09/21/2010 |
| 7469119 | Synchronous duplex printing systems with intermediate transfer members An imaging system may use electrophotographic processes to synchronously image on both sides of a receiver material, such as in a single pass of the receiver material through the imaging system. The system may include intermediate transfer members, which may be spli... | 12/23/2008 |
| 7418227 | Image forming apparatus for higher speed printing An image forming apparatus includes a first image carrying belt, a second image carrying belt, a first transfer unit, a second transfer unit, a fixing unit, and a controller. Each of the first and second image carrying belt carries a toner image on their respective ... | 08/26/2008 |
| RE40435 | Modular copying system using light wave, electric wave, or sonic wave interconnections A modular copying system including combinations of printer, scanner, and system controller modules formed as independent frames. The scanner module includes devices for image reading, first data I/O and first synchronizing signal generation; the printer module inclu... | 07/15/2008 |
| 7398047 | Image tracking control algorithm An image-to-sheet closed loop registration system tracking the image drum position and/or velocity and coordinating movement of the sheet into the transfer nip based on such information. ... | 07/08/2008 |
| 7391425 | Synchronous duplex printing systems using directed charged particle of aerosol toner development An imaging system may include first and second imaging assemblies for synchronously imaging on both sides of a receiver material using directed charged particle or aerosol toner printing methods. The imaging assemblies may in turn each include an imaging member and ... | 06/24/2008 |
| 7383005 | Image forming apparatus with curved conveyance path between first and second transfer portions There is provided an image forming apparatus capable of image forming on both surfaces of a sheet, having a first transfer portion which transfers an image formed at an image forming unit to a first surface of the sheet, and a second transfer portion which transfers... | 06/03/2008 |
| 7359655 | Structure for cooling the interior of an image forming apparatus An image-forming apparatus containing an image-forming member for forming a toner image and for transferring it onto a recording medium by an electrophotographic system, a fixing member for heat-fixing the toner image onto the recording medium, and a discharge conve... | 04/15/2008 |
| 7345776 | Information processing apparatus and method In an information processing apparatus when the body pages are set to start from the back side of the cover, the cover is printed on the first side of the first sheet, the first page of the body is printed on the second side of the first sheet, and the second and su... | 03/18/2008 |
| 7317885 | Image forming apparatus mounted with an open and close unit An image forming apparatus includes a first frame plate and a second frame plate, which has an extended portion horizontally extending by a predetermined length compared with the first frame plate. The first and second frame plates are oppositely disposed spaced apa... | 01/08/2008 |
| 7316482 | Reflecting mirror and projection image display apparatus using the same The present invention is directed to the provision of a reflecting mirror that suppresses decreases in the resolution performance and contrast performance by decreasing the mean surface roughness. In a projection type image display apparatus including a projector le... | 01/08/2008 |
| 7295799 | Synchronous duplex printing systems using pulsed DC fields An imaging system may use pulsed dc voltages to synchronously image on both sides of a receiver material, such as during a single pass of the receiver material through the imaging system. The imaging system may use electrophotographic processes to image on the recei... | 11/13/2007 |
| 7295795 | Image forming apparatus and an impurity collecting device associated with registration rollers An image forming method begins with a first image transfer step for thermally transferring a first toner image from a first image carrier to a second image carrier contacting it. Subsequently, in a second image transfer step, the first toner image carried on the sec... | 11/13/2007 |
| 7280790 | Image forming apparatus An image forming apparatus has an image forming carrier, an image forming portion that forms an image on the image forming carrier, an intermediate transfer medium to which the image on the image forming carrier is primarily transferred, and a transfer portion that ... | 10/09/2007 |
| 7274904 | Image forming apparatus An image forming apparatus comprises: an intermediate transfer belt having a belt surface on which a toner image is formed while the belt surface is moved and transferring the toner image that has been formed on the belt surface onto a sheet to be fed by a feed sect... | 09/25/2007 |
| 7272343 | Image forming apparatus having a conveyance unit and a front-side plate frame structure of such an image forming apparatus An image forming apparatus has an internal paper-eject structure to provide an easy maintenance work and an easy operation for removing jammed papers. An internal eject part is provided above an image forming part. A conveyance unit is provided between the image for... | 09/18/2007 |
| 7269384 | Transfer-fixing unit with a surface layer of predefined hardness for use in an image forming apparatus A transfer-fixing unit for use in an image forming apparatus having an intermediate transfer member and a transfer-fixing unit, which includes a pressure member and a transfer-fixing member. The intermediate transfer member receives a toner image thereon. The transf... | 09/11/2007 |
| 7266335 | Method of printing a receiving material, a printer suitable for conducting this method, and a method of adjusting the printer A method of printing a receiving material wherein said receiving material is fed through a printer including a first and a second image-forming unit for substantially simultaneous printing of the front and back of said material in a transfer nip, whereby the two ima... | 09/04/2007 |
| 7257339 | Method and apparatus for image forming capable of effectively reducing unevenness of density and color displacement of images An image forming apparatus including an image carrying member, a transfer member, support rollers, a detecting mechanism, and a controller. The image carrying member forms a toner image on its surface facing a surface of the transfer member, supported by the support... | 08/14/2007 |
| 7242894 | Xerographic transfer station using a belt An electrostatographic printing apparatus comprises a charge receptor, and a transfer station for transferring a toner image from the charge receptor to a sheet. The sheet passes through a nip formed between the charge receptor and a moving transfer belt. Upstream o... | 07/10/2007 |
| 7224932 | Image forming apparatus including a conveyance unit for passing a recording medium A one-pass system image forming apparatus for forming an image on both sides of a recording medium is capable of easily suppressing image disturbance caused when an unfixed toner image suffers abrasion when a sheet of transfer paper is conveyed from double-sided tra... | 05/29/2007 |
| 7209692 | Color image forming apparatus and discharging device before secondary transfer of the same A color image forming apparatus is described, which makes highly durable image transferring possible. The color image forming apparatus includes: primary transferring devices to transfer unicolor toner images respectively formed on image bearing members onto an inte... | 04/24/2007 |
| 7206540 | Image forming apparatus operable in a duplex print mode An image forming apparatus capable of forming images on both sides of a recording medium of the present invention includes a first image carrier on which a toner image to be formed, and a second image carrier to which the toner image is transferred from the first im... | 04/17/2007 |
| 7197269 | Method, system and apparatus for transferring toner images to both sides of a recording medium An image transferring device of the present invention includes a first and a second intermediate image transfer body whose surfaces endlessly move while forming a nip in contact with each other. When a sheet nipped by the nip is being conveyed toward a side downstre... | 03/27/2007 |
| 7176952 | Fixing device and image forming apparatus A fixing device to be installed in an image forming apparatus includes a housing for defining the fixing device. In the housing, a heating member which heats a recording medium onto which a toner image is transferred to fix the image and a pressing member which is b... | 02/13/2007 |
| 7136613 | Multicolor image forming apparatus and image making device An image forming apparatus, includes: a plurality of image carriers each carrying a developer image; a primary transfer belt opposed to the plurality of image carriers and configured to carry a multicolor developer image; a secondary transfer unit opposed to the pri... | 11/14/2006 |
| 7110694 | Structure for cooling the interior of an image forming apparatus An image-forming apparatus containing an image-forming system for forming a toner image and for transferring it onto a recording medium by an electrophotographic system, a fixing element for heat-fixing the toner image onto the recording medium, and a discharge conv... | 09/19/2006 |
| 7092111 | Information processing apparatus, print data forming method, print control program, and memory medium An information processing apparatus for forming print data to be print-processed by a printer is constructed by: designation receiving means for receiving designation of a duplex printing, discriminating means for discriminating the number of pages in the case where... | 08/15/2006 |
| 7092661 | Liquid electrophotographic image forming apparatus having a liquid carrier depositing unit A liquid electrophotographic image forming apparatus including a liquid carrier depositing unit that is arranged at a forward direction of the secondary transfer roller at a paper feed path and deposits liquid carrier on a print side of a sheet of paper that is seco... | 08/15/2006 |
| 7085514 | Cleaning device and image forming apparatus equipped with the same Disclosed is an image forming apparatus capable of elongating the service life of an intermediate transfer belt and of performing cleaning on the intermediate transfer belt in a satisfactory manner. To remove any residual toner on a second intermediate transfer belt... | 08/01/2006 |
| 7082282 | Image formation method and image formation apparatus for same An image formation method and image formation apparatus capable of forming images on both sides of a recording medium even if a first image formation unit or a second image formation unit does not have the required functions. Detection is conducted to determine whet... | 07/25/2006 |
| 7074539 | Organic photoreceptor and image forming method An electrophotographic photoreceptor is disclosed. The charge transport material comprising a mixture of stereoisomers as a charge transport material and glass transition point Tgb of the binder resin of the charge transport layer and glass transition point Tgl of t... | 07/11/2006 |
| 7070896 | Toner and process for producing toner A toner containing a binder resin, a colorant, a charge control agent, and a thiazolyl disulfide compound or a thiuram disulfide compound. A process for producing a toner comprising polymerization of a polymerizable monomer composition that contains a polymerizable ... | 07/04/2006 |
| 7062185 | Image forming apparatus, image processing unit, and image forming method to keep image quality precision of both sides of recording medium, and computer product When a reading unit reads information of a pattern image for correcting image quality printed on at least either side of a recording medium, a control unit compares the information of the pattern image for correcting image-quality with correction pattern information... | 06/13/2006 |
| 7061637 | Method and apparatus for image forming capable of effectively collating a stack of single-/double-sided recording sheets in a desired ejection tray An image forming apparatus includes first and second image carrying members, ejection trays, and a sheet transferring mechanism. The first image carrying member carries images in increasing order of corresponding sheet numbers. The second image carrying member carri... | 06/13/2006 |
| 7054587 | Image forming apparatus for recording on two sides in a single pass An image forming apparatus for recording on two sides in a single pass, with which the transfer of a toner image onto one side of a recording medium and the transfer of a toner image onto the other side can both be performed under optimal conditions, which results i... | 05/30/2006 |
| 7050737 | Belt device and image forming apparatus using the same In a belt device passed over a plurality of rollers one of which is adjacent to a heat source, the temperature of part of a belt moving in the vicinity of the heat source varies little relative to the temperature of the other part of the belt. ... | 05/23/2006 |
| 7039349 | Image forming apparatus transferring toner images to both surfaces of a recording medium An image forming apparatus operable in a duplex print mode includes an image carrier and an image transferring device including a first and a second intermediate image transfer body whose surfaces are movable in contact with each other while forming a nip therebetwe... | 05/02/2006 |
| 7031631 | Image forming apparatus operable in plural modes of forming images on intermediate transfer member An image forming apparatus includes a photosensitive member, an intermediate transfer material, a first transfer device, a second transfer device, a feed device, a refeed device, and a controller which executes selectively first and second modes, in which one or two... | 04/18/2006 |
| 7027762 | Image forming apparatus operable in a duplex print mode An image forming apparatus capable of forming images on both sides of a recording medium of the present invention includes a first image carrier on which a toner image to be formed, and a second image carrier to which the toner image is transferred from the first im... | 04/11/2006 |
