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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7995933 | Process cartridge for use in image forming apparatus and image forming apparatus In an image forming apparatus employing a process cartridge for image forming apparatus which is equipped with a chip including a rewritable non-volatile memory, the non-volatile memory at least includes a read-only region and an arbitrarily rewritable region, a con... | 08/09/2011 |
| 7761014 | Image forming cartridge usage storage apparatus An image forming apparatus includes: plural cartridges; a storage unit provided in the respective cartridges; and a writing unit that writes data into the storage unit. The writing unit writes data on usage statuses of one cartridge and the other cartridges into one... | 07/20/2010 |
| 7747179 | Image forming apparatus and storage thereof An image forming apparatus manages information regarding the lifetimes of a plurality of photosensitive media or developing units using a single storage. The image forming apparatus includes a photosensitive unit comprising a photosensitive medium, a developing unit... | 06/29/2010 |
| 7729623 | Image forming apparatus and image forming method thereof An image forming apparatus including an image forming unit which comprises a cartridge having a toner therein to form an image and a controller to control the image forming unit to increase a density of the image to be formed, if it is determined that a standard of ... | 06/01/2010 |
| 7684714 | Image forming device An image forming device. A direct voltage power supply is independently provided for each charging device for each color, and an alternating voltage power supply is commonly provided to the charging device for each color. A current detecting section detects current ... | 03/23/2010 |
| 7616907 | Printer cartridge A printer cartridge comprising a photosensitive body being in contact with a charging roller and a developing roller, the printer cartridge including a first member interposed between the charging roller and the photosensitive body; and a second member connected to ... | 11/10/2009 |
| 7440704 | Image forming apparatus A cartridge information managing unit reads a kind of toner cartridge which is detachable to an image forming apparatus main body and ID information stored in a toner cartridge identification information storing unit and manages them. A process switching unit of an ... | 10/21/2008 |
| 7440705 | Image forming apparatus with toner cartridge and the toner cartridge An image forming apparatus includes an image forming unit for forming an image, and a toner cartridge detachably attached to the image forming unit for supplying toner to the image forming unit. The image forming apparatus further includes a toner supply control uni... | 10/21/2008 |
| 7433610 | Image forming apparatus having shielded area in which non-contact wireless communication occurs An image forming apparatus has a plurality of detachably loadable replacement units. The replacement units each have an individual IC tag that performs data writing or reading through non-contact wireless communication. At least one reader/writer writes/reads data t... | 10/07/2008 |
| 7430378 | Image forming apparatus setting an image forming condition based on characteristics of a cartridge, cartridge used in the image forming apparatus, and storage medium mounted on the cartridge An image forming apparatus allows mounting thereon and dismounting therefrom a plurality of types of cartridges, each of the cartridges including a plurality of process members used for image formation and a storage medium for storing information. The image forming ... | 09/30/2008 |
| 7389058 | Method of and apparatus for indicating a time to replace consumables in an image forming apparatus A method and an apparatus for indicating the time to replace consumables in an image forming apparatus by receiving the current date and the critical time of the consumables from a host and comparing them. The apparatus and method include receiving information regar... | 06/17/2008 |
| 7379196 | Printing system, printing apparatus, print data transmitting device, and program In a printing system, before transmitting print data to a printer, a personal computer transmits a virtual printing start command to the printer. When the data received by the printer is a virtual printing start command, the printer performs a virtual printing opera... | 05/27/2008 |
| 7372479 | Apparatus and method for optical image formation control An image forming apparatus for forming images with an electrophotographic system. The image forming apparatus includes a laser drive unit configured to control a laser light, and an image data transfer control unit configured to control image data from to the laser ... | 05/13/2008 |
| 7366452 | Developer supply container and electrophotographic image forming apparatus A developer supply container supplies a developer to a process cartridge detachably mounted to an electrophotographic image forming apparatus. The process cartridge contains an electrophotographic photosensitive drum and a charging member for charging the drum. The ... | 04/29/2008 |
| 7362466 | Image forming apparatus and replaceable part and IC chip for the same An image forming apparatus of the present invention includes an apparatus body. An image forming device included in the apparatus is at least partly implemented by a replaceable part. A counter counts prints output by the apparatus with the replaceable part. A memor... | 04/22/2008 |
| 7362981 | Image forming apparatus, method for controlling the same and storage medium for storing program An image forming apparatus, provided with replacement parts each having a storage section therein and adapted to be detachably attached to the image forming apparatus and with an image forming unit arranged to form an image on a printing medium, includes: an informa... | 04/22/2008 |
| 7359651 | Image forming apparatus The image forming apparatus includes first and second developing apparatuses for developing electrostatic images on first and second image bearing members, a first developer container containing a developer, first supplying device for supplying the developer in the ... | 04/15/2008 |
| 7356265 | Image forming apparatus An image forming apparatus in which the consumption article can be attached to and detached from a main body has a controller, which reads first new/old information that is stored in a repetitively rewritable area of a memory provided on the consumption article and ... | 04/08/2008 |
| 7349649 | Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatus A process cartridge is capable of being carried on a movable guide, which is movable relative to a main assembly of an electrophotographic image forming apparatus and which is provided in the main assembly. The movable guide is movable from a receiving position towa... | 03/25/2008 |
| 7349657 | Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method A developer feeding member for use with an electrophotographic image forming apparatus to feed a developer accommodated in a developer accommodating portion, includes a shaft for receiving a driving force to rotate when the shaft is mounted in the developer accommod... | 03/25/2008 |
| 7330671 | Image forming device including discriminating unit and attached with replacement unit Respective operation mode histories are stored in the main body NVM of an image forming device. The main body NVM stores an operation mode just before the turning-off of the power supply. When the power supply of the image forming device is turned on, a CPU discrimi... | 02/12/2008 |
| 7330672 | Image forming apparatus able to execute selected operating mode upon replacement of replaceable unit, and method therefore When a CPU receives an input signal that selects an operation mode through an operation mode selecting screen, the CPU determines whether or not the selected operation mode coincides with an operation mode stored in individual operation mode histories of an main bod... | 02/12/2008 |
| 7324227 | Connection apparatus for connecting a source over a network to a predetermined destination, connecting method, and storage medium for storing computer-readable program having connecting functions A connection apparatus is disclosed which includes a connection source and a connection destination. The connection source includes information about a predetermined connection destination; and a connecting element for making a connection request to the predetermine... | 01/29/2008 |
| 7321867 | System and method for transmitting information regarding supplies and suppliers for image forming equipment A method and a system to help users of image forming equipment make informed decision on when to order supplied therefor and from which supplier. The equipment at the user side automatically sends status information to a service center that keeps a database of indep... | 01/22/2008 |
| 7319826 | Method of optimizing amount of toner of electrophotographic printer A method of optimizing the amount of toner of an electrophotographic printer is provided. The method includes measuring a life span of the development roller in use. The speed of a development roller, which corresponds to the measured life span of the development ro... | 01/15/2008 |
| 7310820 | Recording and reproducing apparatus A recording and reproducing apparatus having a recording medium and cartridge memory inside a cartridge and making a copy of control information memorized in said cartridge memory recorded, in which control information memorized in the cartridge memory is compared w... | 12/18/2007 |
| 7305192 | Cartridge for use in an image forming apparatus having an electronic element A cartridge for use in an image forming apparatus comprises a charge roller to which a predetermined voltage is applied; a photosensitive drum charged by the charge roller by rotating in contact with the charge roller; an electronic element for wireless communicatio... | 12/04/2007 |
| 7292794 | System, apparatus, and method for preventing access to information stored in a consumable item of an image forming apparatus An image forming apparatus having a recognizing member configured to read a property stored in a memory member of a consumable item via a communication member, and to recognize if the consumable item can be used. The image forming apparatus also includes a property ... | 11/06/2007 |
| 7284850 | Ink-jet printing apparatus and ink cartridge therefor An ink jet type printing apparatus in which an ink supply needle is located near one side in a direction perpendicular to the reciprocated directions of a carriage, a circuit board is mounted on a wall of an ink cartridge in the vicinity of the side on which an ink ... | 10/23/2007 |
| 7278708 | Ink-jet printing apparatus and ink cartridge therefor An ink jet type printing apparatus in which an ink supply needle is located near one side in a direction perpendicular to the reciprocated directions of a carriage, a circuit board is mounted on a wall of an ink cartridge in the vicinity of the side on which an ink ... | 10/09/2007 |
| 7280772 | Method for detecting whether a cartridge installed in an imaging apparatus is potentially counterfeit A method for detecting whether a cartridge installed in an imaging apparatus is potentially counterfeit includes determining whether a usage threshold has been reached by the cartridge; determining whether the cartridge was previously installed in the imaging appara... | 10/09/2007 |
| 7275810 | Ink-jet printing apparatus and ink cartridge therefor An ink jet type printing apparatus in which an ink supply needle is located near one side in a direction perpendicular to the reciprocated directions of a carriage, a circuit board is mounted on a wall of an ink cartridge in the vicinity of the side on which an ink ... | 10/02/2007 |
| 7274884 | Image forming apparatus to which a cartridge having a memory medium configured to store information-forming-condition information is attachable, such a cartridge, such a memory medium, and an image forming system comprising such a memory medium An image forming apparatus to which a cartridge is mountable and which is operable to form images at different image formation speeds, wherein the cartridge includes a memory medium having a memory area for storing information relating to image forming conditions of... | 09/25/2007 |
| 7274885 | Image forming device having replaceable drum unit and developing unit In an image forming device, when a replacement timing of a photoconductive drum unit has been reached, the image forming device determines whether or not a replacement timing of a developing unit is close, but not yet actually reached. When the replacement timing of... | 09/25/2007 |
| 7269378 | Transfer unit mounting device and image forming apparatus having the same A transfer unit mounting device of an image forming apparatus to mount and dismount a transfer unit in and from the image forming apparatus. The transfer unit includes a transfer belt driven by a plurality of rollers, and a housing to protect the transfer belt. The ... | 09/11/2007 |
| 7269377 | Process cartridge A process cartridge detachably mountable to an image forming apparatus for forming an image on a recording material includes a first unit including at least an image-bearing member, a second unit including at least a developing device for developing an electrostatic... | 09/11/2007 |
| 7266313 | Image forming device and system that use consumable items and method of changing consumable items A system of printers uses replicable toner boxes, which each has a unique serial number. Each printer determines once the toner box is empty. At this time, the printer registers the serial number of the used toner box in used toner box list in a memory. Each time a ... | 09/04/2007 |
| 7258411 | Method of informing a user of end of life of a consumable for an ink jet printer A method informs a user of an ink jet printer of the end of life of a consumable. The consumable supplies ink to a printhead having a plurality of ink ejection nozzles and an associated plurality of ink jetting actuators, each of the plurality of ink jetting actuato... | 08/21/2007 |
| RE39773 | Toner cartridge identification system for a printer An apparatus for communicating to a printer a type of installed printer cartridge, where the combination of the cartridge and the printer form a magnetic coupling that can generate a cartridge specific code to identify the toner cartridge as being of a predetermined... | 08/14/2007 |
| 7257356 | Ergonomic toner cartridge A toner cartridge with a handle formed centrally in a trailing end of the cartridge. The handle is dished to comfortably accept a hand and is adapted such that a user will recognize that said handle is dedicated to receiving the user's hand. The cartridge is therefo... | 08/14/2007 |
