Quotables
"There is no reason anyone would want a computer in their home."
Ken Olsen, chairman and founder of Digital Equipment Corporation ; 1977
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 |
| 8170443 | Developing device and process cartridge A developing device for developing with a developer a latent image formed on an image bearing member includes a container for containing the developer; a stirring member, rotatably supported by the container, for stirring the developer in the container; a magnetic m... | 05/01/2012 |
| 7986899 | Development unit, process cartridge and image forming apparatus A development unit includes a developer accommodating part that accommodates a developer therein, a developer stirring-transporting member that transports the developer in the developer accommodating part while stirring the developer, a bearing part that receives a ... | 07/26/2011 |
| 7761028 | Developing apparatus, process cartridge and magnetic sealing member A developing apparatus for an image forming apparatus includes a magnetic sealing member having an arcuate surface and having a magnetic property, and which is opposed to an outer surface of a developing roller with a gap therebetween and a projected surface having ... | 07/20/2010 |
| 7647001 | Developing device and image forming device equipped with same A developing device is disclosed which includes a fixed magnet roller 25 having a plurality of magnetic poles, a development roller 27 having a development sleeve 26 that is supported axially with the ability to rotate freely, and a magnetic sea... | 01/12/2010 |
| 7542696 | Developing device and image forming device equipped with same A developing device is disclosed which includes a fixed magnet roller 25 having a plurality of magnetic poles, a development roller 27 having a development sleeve 26 that is supported axially with the ability to rotate freely, and a magnetic sea... | 06/02/2009 |
| 7421226 | Developing device and image forming apparatus A developing device (50) includes a developing sleeve (53) for supplying toner particles (T) to a latent image area (22) on a peripheral surface of a photoconductive drum (20) while rotating about a central shaft (534). The develop... | 09/02/2008 |
| 7421227 | Developing device and image forming apparatus A developing device includes a developing sleeve for supplying toner particles to a latent image area on a peripheral surface of a photoconductive drum while rotating about an axis. The developing sleeve has a permanent magnet therein. Two magnetic members are provi... | 09/02/2008 |
| 7415220 | Local suppression of unwanted toner emissions A developer apparatus for a printing device includes a rotatable developer carrying member which carries developer thereon. A magnet assembly is disposed in the developer carrying member. The magnet assembly includes a plurality of magnets for conveying the develope... | 08/19/2008 |
| 7343120 | Addition of liquid charge control agents to toner in toner development stations of electrographic reproduction apparatus Controlling the charge on toner in a development station of an electrographic reproduction apparatus, wherein data relative to latent image charge carrying member voltage and image density control patches are sensed and development potential to achieve an aim densit... | 03/11/2008 |
| 7343121 | Addition of liquid charge control agents to toner in toner development stations of electrographic reproduction apparatus Controlling the charge on toner in a development station of an electrographic reproduction apparatus, wherein data relative to latent image charge carrying member voltage and image density control patches are sensed and development potential to achieve an aim densit... | 03/11/2008 |
| 7336914 | Sealing member for sealing magnetic particles and developing apparatus using the sealing member A developing apparatus includes a developing container for containing a developer; a developer carrying member to be rotated while carrying the developer thereon, the developer carrying member being provided in an opening portion of the developer container; and a se... | 02/26/2008 |
| 7329053 | Optical transmission device and electronic apparatus An optical transmission device configured from a case that holds an optical element that receives and/or transmits light, the case being provided with a plug insertion hole into which a plug for transmitting an optical signal is inserted; and a shutter mechanism hav... | 02/12/2008 |
| 7324775 | Image forming apparatus having developing device with sealing members and method of manufacture A developing device for developing a latent image borne on an image bearing body using a developer borne on a developer bearing roller, is provided with: a housing that is for containing the developer and that has an opening; the developer bearing roller that is for... | 01/29/2008 |
| 7283765 | Developing device, process cartridge, and image forming apparatus having developing-roller scraping member A developing device includes: a developing roller; a magnet provided in the roller and having a plurality of local maximum magnetic flux density positions on the peripheral surface of the magnet; a developing container supporting the roller; a seal member for preven... | 10/16/2007 |
| 7266326 | Process cartridge remanufacturing method A process cartridge remanufacturing method including: detaching first and second covers, at one and the other longitudinal ends of a process cartridge, from drum and developing frames; detaching a drum supporting member from the drum frame; separating the developing... | 09/04/2007 |
| 7224926 | Flight developer regulating member, developing apparatus and method of assembling developing apparatus A developing apparatus including a developer carrying member, a developer layer regulating member and a flight developer regulating member, wherein the developer carrying member is provided in opposed relationship with an image bearing member and carries a developer... | 05/29/2007 |
| 7212768 | Process cartridge and electrophotographic image forming apparatus A process cartridge detachably mountable to an electrophotographic image forming includes an electrophotographic photosensitive drum; a developing roller; a first cartridge positioning portion abuttable to a first main assembly positioning portion provided in a main... | 05/01/2007 |
| 7156724 | Method and apparatus for forming a dynamic magnetic seal using magnetorheological fluid An arcuate, preferably cylindrical, magnetic shunt bar supports a plurality of pin magnets having alternate north and south orientations, defining a ring-shaped array of magnets of alternating orientation. The magnet free ends opposite the shunt bar are positioned t... | 01/02/2007 |
| 7158736 | Process cartridge having first and second rotatably coupled frames and electrophotographic image forming apparatus mounting such process cartridge A cartridge detachably mountable to an apparatus includes a drum, a developing roller, first and second frames supporting the drum and roller, a coupling member rotatably connecting the frames, a first cartridge positioning portion abuttable to a first main assembly... | 01/02/2007 |
| 7158749 | Cleaning device, process cartridge, cleaning member and electrophotographic image forming apparatus A cleaning device used in an electrophotographic image forming apparatus includes a frame, an elastic blade contacting an electrophotographic photosensitive drum to remove a developer remaining thereon, a blade supporting member, and a removed developer containing p... | 01/02/2007 |
| 7156797 | Assembling method for developing roller An assembling method that is for a developing roller usable with a developing device. The developing roller includes a developer carrying member in the form of a hollow cylinder, a flange member provided at an end of the developer carrying member, and a magnet provi... | 01/02/2007 |
| 7127192 | Developing frame and process cartridge A developing frame which can improve a sealing property for developer at the end portion of a developing roller. The developing frame has a first frame member having a developer supplying opening provided to supply a developer from a developer containing portion con... | 10/24/2006 |
| 7096556 | Recycling method and recycling apparatus of part for image forming apparatus, and recycled part for image forming apparatus A recycling method of a part for an image forming apparatus, the part being used in the image forming apparatus and provided with a thermoplastic resin member at least in a part thereof is provided which includes: recovering the part for the image forming apparatus;... | 08/29/2006 |
| 7092656 | Developing apparatus and image-forming apparatus A developing apparatus prevents magnetic toner rise on the peripheral face of the developing sleeve to avoid scatter of magnetic toner even when a gap is caused between the developing blade and the magnetic sealing member. A magnetic plate of a base part and a protr... | 08/15/2006 |
| 7073251 | Disassembling tool for process cartridge The disassembling tool for a process cartridge has a base body, an engagement portion provided on the base body and adapted to be engaged with the process cartridge to thereby position the process cartridge, a pushing-out portion provided for movement relative to th... | 07/11/2006 |
| 7068963 | Systems and methods for toner cartridge conversion Techniques for modifying a toner cartridge intended to operate with a first type of imaging device to operate in a second type of imaging device. The toner cartridge includes a drum shutter connected to a waste bin, with the drum shutter including first and second s... | 06/27/2006 |
| 7039338 | Sealing member for sealing magnetic particles and developing apparatus using the sealing member A developing apparatus includes a developing container for containing a developer; a developer carrying member to be rotated while carrying the developer thereon, the developer carrying member being provided in an opening portion of the developer container; and a se... | 05/02/2006 |
| 7035573 | Developing apparatus having developer carrying screw with a plurality of inclination angles An object of the present invention is to provide a developing apparatus capable of reducing unevenness of density of an image in a longitudinal direction of a photosensitive member. For this purpose, in the present invention, a developing apparatus includes a develo... | 04/25/2006 |
| 7027753 | Image forming apparatus for preventing image deterioration caused by fallen conductive brush and scatter of developer An image forming apparatus includes a latent image carrier, a charging member, a conductive brush member that cleans the charging member, a developer carrier including magnetic field generating devices having main and auxiliary magnetic poles, a developer scatter pr... | 04/11/2006 |
| 7024131 | Process cartridge assembling method, process cartridge remanufacturing method, and connecting member A simple method for remanufacturing a process cartridge which includes removing a first cover, removing a second cover, separating frames, removing a fixing pin, removing a developing roller, refilling developer, positioning provisionally a supporting frame to a dev... | 04/04/2006 |
| 7016630 | Image forming apparatus In an image forming apparatus having a powder transport mechanism including a powder container and a powder transport means which rotates relative to the powder container, the powder transport means has the rotation center substantially on the axis of the powder con... | 03/21/2006 |
| 6999706 | Developing device and process cartridge including the same for use in electro photographic image-forming apparatus A developing device for developing an electrostatic latent image formed on an electrophotographic photoreceptor includes a hollow developing roller, a support member inserted in the hollow developing roller to support the developing roller, a flange member having a ... | 02/14/2006 |
| 6996353 | Spring loaded plastic toner seal retainer A device for sealing a magnetic roll to a developer housing includes a plastic retainer having side walls that are spring loaded with a felt seal adhesively positioned within the side walls. The spring loaded side walls of the plastic retainer help hold the felt sea... | 02/07/2006 |
| 6980755 | Recycling method for developer supplying unit including the step of driving a feeding member in a direction to feed developer from a developer supply port to a developer accommodating portion A recycling method is for a developer supply unit for supplying a developer to developing device for developing an electrostatic latent image formed on an electrophotographic photosensitive member. The developer supply unit is detachably mountable to a main assembly... | 12/27/2005 |
| 6978108 | Developing apparatus to control bending of a magnetic field generation unit provided inside a developer carrying member To control bending of a magnetic field generation unit provided inside a developer carrying member, a developing apparatus for developing an electrostatic image formed on an image bearing member according to the present invention includes: a developer container whic... | 12/20/2005 |
| 6978099 | Developing apparatus, process cartridge, and electrophotographic image forming apparatus including an elastic member preventing a gap between a developing agent carrier and a layer thickness limiter from changing, and an electrophotographic image forming apparatus detachably mounting such process cartridge The present invention relates to a developing apparatus for developing an electrostatic latent image formed on an electrophotographic photosensitive drum using a developing agent, including a developing agent carrier for supplying the developing agent to the photose... | 12/20/2005 |
| 6970667 | Developing apparatus having a sheet preventing a developing agent from leaking out of a container opening A developing apparatus includes a container containing a developing agent and having an opening; a developer bearing member provided at the opening of the container; a magnetic sealing member magnetically restricting leakage of the developing agent out of an end of ... | 11/29/2005 |
| 6968141 | Remanufacturing method for toner supply container A remanufacturing method for a developer supply container detachably mountable to a main assembly of an image forming apparatus, the developer supply container including a frame, a developer accommodating portion for accommodating a developer to be used by a develop... | 11/22/2005 |
| 6968138 | Developer seal member and developing apparatus using the seal A developing apparatus includes a roller-shaped developer carrying member, a frame for holding the developer carrying member, and a magnetic seal member for preventing leakage of a developer from an end of the developer carrying member in a longitudinal direction of... | 11/22/2005 |
| 6963714 | Developing blade and device and process cartridge A developing blade member for regulating a thickness of a layer of a developer on a peripheral surface of a rotatable developing roller enclosing a magnet roller, wherein a scraper for scraping the developer toward longitudinally inside of the developing roller is p... | 11/08/2005 |
