Quotables
"If you build a better mousetrap, you will catch better mice."
George Gobel
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 |
| 8160483 | Image forming apparatus which can prevent inferior image quality due to current leakage An image forming apparatus may include: a plurality of image bearing members; an exposure unit; a developing unit; a transfer unit including a plurality of transfer rollers and a plurality of erasers each disposed between the transfer rollers; and a fixing unit. The... | 04/17/2012 |
| 8116669 | Image forming apparatus and electric discharge device An image forming apparatus includes a diode for restraining deterioration of an electric discharge device caused when a voltage applied to a discharge electrode and a shield electrode is switched. By switching the voltage at only one position using the diode, both o... | 02/14/2012 |
| 7848692 | Neutralization unit and image forming apparatus having a neutralization unit for removing electric charge A neutralization unit for use in an image forming apparatus includes a support member made of an insulating material, an electric-charge removing member made of an electric conductive material, and a rib made of an insulating material. The electric-charge removing m... | 12/07/2010 |
| 7773928 | Transfer-separation device and image forming apparatus A transfer-separation device includes an intermediate transfer unit, a secondary transfer roller, a repulsive roller, a transfer unit, and a charge-eliminating/separating member. The secondary transfer roller and the repulsive roller form a nip through which the int... | 08/10/2010 |
| 7639977 | Image forming apparatus that performs charge elimination after secondary transfer to prevent winding of recording medium on intermediate transfer member An image forming apparatus is operable to form an image on a recording medium. An image carrier is adapted such that a toner image is formed thereon by developing an electrostatic latent image. An intermediate transfer member is adapted such that the toner image is ... | 12/29/2009 |
| 7620354 | Image forming apparatus including first and second charge removing members connected to a grounding point An image forming apparatus includes a recording material carrying member which is movable while carrying a recording material, a first charge removing member for removing an electric charge from the recording material carrying member, and a second charge removing me... | 11/17/2009 |
| 7599652 | Image forming apparatus with static charge eliminator for discharging an electric charge on a transfer sheet An image forming apparatus comprises: a revolving image bearing member on which a toner image is formed; a transfer member that is provided at a position facing the surface of the image bearing member and transferring the toner image electrostatically on a transfer ... | 10/06/2009 |
| 7486920 | Method and device electrically discharging a printing material A method and a device to electrostatically discharge a printing material, to which a toner has been applied, in an appropriate manner. The method is provided for electrically discharging certain areas of a toner-coated printing material, in particular for an electro... | 02/03/2009 |
| 7457573 | Image forming device having a conductive member with separation needles A plurality of separation needles are arranged downstream from a transfer roller in the sheet transport direction along a direction which is orthogonal to the sheet transport direction, and when a separation voltage is applied to the separation needles, an electrica... | 11/25/2008 |
| 7433637 | Image forming apparatus and method of manufacturing electronic circuit using the same An image forming apparatus comprises an exposure unit forming an electrostatic latent image on a photoconductor based on image information, a developing unit developing the electrostatic latent image by toner made of formation material of a circuitry layer, and an e... | 10/07/2008 |
| 7369800 | Device for preventing contact between transfer body and transfer medium tail edge portion in image forming apparatus An image forming apparatus is constituted so as to be equipped with transfer apparatus(es) having transfer roller(s) electrostatically transferring development image(s) from photosensitive drum(s) to transfer medium/media, and so as to be provided with transfer medi... | 05/06/2008 |
| 7359650 | Image forming apparatus and method for judging the lifetime of a photosensitive unit The residual potential and charging potential of the surface of a photosensitive drum 20, or the charging potential and exposure potential of the surface of the photosensitive drum 20 are detected by an exposure sensor 28. The lifetime of the ph... | 04/15/2008 |
| 7336918 | Image forming device having a drum separation device A separation device 16, which is located downstream from a transfer roller in the sheet transport direction, applies a separation voltage to a plurality of separation needles 17 disposed in an alignment orthogonal to the direction of transport of the s... | 02/26/2008 |
| 7295800 | Systems and methods to assist in stripping a substrate from an image transfer unit A method for assisting in stripping a substrate from a charge receptor that is operable to transfer marking material to the substrate at a transfer zone, comprising determining the solid area coverage of the transfer marking material at a leading region of the subst... | 11/13/2007 |
| 7292807 | Assembly and method for reducing shaft deflection A shaft mounting and loading arrangement includes a shaft rotatably mounted within a frame of an imaging machine by a pair of spaced mounting bearings. A belt is entrained on the shaft between the bearings. The belt applies a belt load to the shaft along an axially ... | 11/06/2007 |
| 7289744 | Image forming apparatus An image forming apparatus includes an electrode member to prevent the generation of an image defect in the image forming apparatus, in which the electrode member is provided in the downstream side of a transfer device, the transfer device and a fixing device are ar... | 10/30/2007 |
| 7280798 | Image forming apparatus with conveying device urging a recording material toward a charge eliminating member The image forming apparatus has an image bearing member for bearing a toner, a transfer device which forms a transfer area in cooperation with the image bearing member for transferring the toner on the image bearing member onto a recording material, a charge elimina... | 10/09/2007 |
| 7260350 | Image forming apparatus There is described an image forming apparatus, which makes it possible to conduct a sufficient discharging operation for a toner image. The apparatus includes an image forming section, an image bearing member, an intermediate transfer belt, a part of which is suppor... | 08/21/2007 |
| 7251450 | Paper separator and processor cartridge A paper separator may be equipped with plurality of paper-separating fingers for separating sheet(s) of paper for image formation and abutting and/or backed off from photosensitive body or bodies, paper separator optionally comprising finger body or bodies capable o... | 07/31/2007 |
| 7251443 | Laser printer with diselectrification brush A laser printer includes a photoreceptor drum, a transfer roller contacting the photoreceptor drum, a transfer roller frame holding the transfer roller, an outer frame holding the transfer roller frame, a diselectrification brush fixed to the transfer roller frame, ... | 07/31/2007 |
| 7242891 | Image forming apparatus and method thereof An image forming apparatus includes an image-forming unit having a plurality of photosensitive media to be charged; a transfer belt to be rotated along an endless path by a drive roller and a steering roller, an outer surface of the transfer belt being in contact wi... | 07/10/2007 |
| 7228091 | Compact charging method and device with gas ions produced by electric field electron emission and ionization from nanotubes In accordance with the invention, there is an electrophotographic charging device comprising a first electrode, a second electrode adjacent the first electrode, a plurality of nanotubes adhering to at least one of the first electrode and the second electrode, and a ... | 06/05/2007 |
| 7212771 | Grid electrode, scorotron charger, and image forming device A grid electrode, disposed along a corotron wire, includes a planar, plate-shaped member having plural openings in each of which a longitudinal direction and a short side direction are formed, the longitudinal directions of the respective openings being lined up to ... | 05/01/2007 |
| 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 |
| 7203440 | Image forming apparatus with a plurality of selectable modes to maintain temperature The image forming apparatus includes an image formation unit for forming a toner image on a recording material to be carried by the recording material; a fixing apparatus having a heat-fixing rotation member and a pressure member with an elastic layer which rotate w... | 04/10/2007 |
| 7130568 | Image forming apparatus which presents faulty image when toner image on image bearing member is transferred to transferring medium In an Image forming apparatus, a light color toner image forming unit that forms a light color toner image on a transfer medium has a first developing device which develops an electrostatic image on a first image bearing member to form the light color toner image on... | 10/31/2006 |
| 7127191 | Cleaning device for collecting toner on a surface of an image forming apparatus A cleaning device is provided with a conductive fur brush kept in contact with a transfer belt, a conductive brush kept in contact with the transfer belt upstream of the fur brush in the feed direction, and a single of constant-current d.c. power supply. The fur bru... | 10/24/2006 |
| 7123871 | Neutralizing apparatus and image forming apparatus having the neutralizing apparatus An image forming apparatus having a sharp neutralizing member which can perform uniform neutralizing effects for a long period of time. The sharp neutralizing member includes sharp projections in which tip portions having the following relationship between a distanc... | 10/17/2006 |
| 7086713 | Media detack from an intermediate printing member An inkjet printer for printing on a print medium having an obverse side and a reverse side, including a rotating intermediate transfer member for receiving a print image and transferring the print image to the obverse side of the print medium and a rotating drag for... | 08/08/2006 |
| 6970676 | Imaging forming apparatus The first invention is characterized that, in a transfer device of an image forming apparatus, charge removing cloth (27) is integrally attached to an attraction plate (26) for separating a transfer medium after transfer. The second invention is charac... | 11/29/2005 |
| 6935737 | Ink jet recording apparatus An ink jet recording apparatus, for effecting recording on recording sheets by ejecting ink from a recording head onto the recording sheets, includes a head carrying portion for carrying the recording head; a feeding roller for separating and feeding recording sheet... | 08/30/2005 |
| 6922538 | Image forming apparatus including a heat shielding device An image forming apparatus includes an image forming device that forms a toner image on a recording medium, a heat fixing device provided adjacent to the image forming device to fix the toner image onto the recording medium by heat, and a heat shielding device that ... | 07/26/2005 |
| 6920030 | Apparatus for eliminating static electrical charges from a web of dielectric sheet material An apparatus is taught for draining static electrical charges build-up on a traveling web of dielectric material. The apparatus includes discharge means comprised of a metal member having one end formed into at least one needle point projection. The discharge means ... | 07/19/2005 |
| 6792235 | Electrophotographic apparatus including transferring device A transfer flow-in current which flows from a transferring device into an image carrier, a separation flow-in current which flows from a separating device into the image carrier, an aperture width in the recording member transporting direction of an aperture of the ... | 09/14/2004 |
| 6769686 | Image forming apparatus There are disposed a star-wheel 21 in the form of a thin wall-thickness having a sharp projecting portion 21a as auxiliary member which strips off a recording paper P from the surface of a photosensitive body 2, and an inversion preventin... | 08/03/2004 |
| 6731890 | Transfer of toner using a time-varying transfer station current An electrostatographic machine having a transfer station including a toner image carrier and a transfer member for electrostatic transfer of toner from the toner image carrier to a toner-image area on a receiver sheet in a nip formed between the toner image carrier ... | 05/04/2004 |
| 6711373 | Printer and transfer unit A printer includes a photosensitive member having a surface for forming a toner image and a transfer unit for transferring the toner image onto a recording paper. The transfer unit includes a transfer member arranged to face the recording paper for passing a transfe... | 03/23/2004 |
| 6701108 | Non-fixing type image forming method and non-fixing type image forming apparatus In the non-fixing type image forming method and apparatus which allow chargeable toner T to removably adhere to recessed portions R of an image receiving sheet S having an uneven surface s2' formed with a lot of the recessed portions R capable of housing ... | 03/02/2004 |
| 6701118 | Method and apparatus for image forming performing improved cleaning and discharging operations on image forming associated members An image forming apparatus includes an image carrying member, an intermediate transfer member, a charging member, a transfer mechanism, a discharging member, a direct current voltage source, and a direct current voltage controller. The intermediate transf... | 03/02/2004 |
| 6560437 | Image forming apparatus with second power source for charge elimination means In a conventional type of an image forming apparatus, when the top end of the paper whose charge is eliminated is brought into contact with the roller, or when the potential of the pressure roller is fluctuated by a separating discharge of the paper rear ... | 05/06/2003 |
