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Class Information
Number: 399/25
Name: Electrophotography > Diagnostics > Consumable > Process cartridge
Description: Subject matter wherein the component is a single unit that contains both a photoconductive member and an apparatus for one or more of charging, exposing, developing, transferring, and cleaning.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620333 |
System and method for providing messages on a printing component |
Nov. 17, 2009 |
| 7616905 |
Image forming apparatus, cartridge of image forming apparatus, cartridge mounting method |
Nov. 10, 2009 |
| 7616907 |
Printer cartridge |
Nov. 10, 2009 |
| 7580144 |
System and method for detecting potential counterfeiting of print cartridges |
Aug. 25, 2009 |
| 7561316 |
Adjusting ink-usage parameters to reduce ink usage |
Jul. 14, 2009 |
| 7515837 |
System and methods for universal imaging components |
Apr. 7, 2009 |
| 7516318 |
Method of controlling an image forming apparatus |
Apr. 7, 2009 |
| 7509062 |
Method and apparatus for image forming capable of effectively recycling image forming unit |
Mar. 24, 2009 |
| 7504951 |
Interface antenna |
Mar. 17, 2009 |
| 7463860 |
Image forming apparatus |
Dec. 9, 2008 |
| 7460795 |
Image forming apparatus having a detachably mountable image forming unit |
Dec. 2, 2008 |
| 7440704 |
Image forming apparatus |
Oct. 21, 2008 |
| 7440705 |
Image forming apparatus with toner cartridge and the toner cartridge |
Oct. 21, 2008 |
| 7433610 |
Image forming apparatus having shielded area in which non-contact wireless communication occurs |
Oct. 7, 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 |
Sep. 30, 2008 |
| 7389058 |
Method of and apparatus for indicating a time to replace consumables in an image forming apparatus |
Jun. 17, 2008 |
| 7379196 |
Printing system, printing apparatus, print data transmitting device, and program |
May. 27, 2008 |
| 7362466 |
Image forming apparatus and replaceable part and IC chip for the same |
Apr. 22, 2008 |
| 7356265 |
Image forming apparatus |
Apr. 8, 2008 |
| 7319826 |
Method of optimizing amount of toner of electrophotographic printer |
Jan. 15, 2008 |
| 7305192 |
Cartridge for use in an image forming apparatus having an electronic element |
Dec. 4, 2007 |
| 7292794 |
System, apparatus, and method for preventing access to information stored in a consumable item of an image forming apparatus |
Nov. 6, 2007 |
| 7280772 |
Method for detecting whether a cartridge installed in an imaging apparatus is potentially counterfeit |
Oct. 9, 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 |
Sep. 25, 2007 |
| RE39773 |
Toner cartridge identification system for a printer |
Aug. 14, 2007 |
| 7254346 |
Systems and methods for universal imaging components |
Aug. 7, 2007 |
| 7239413 |
Printer replaceable component |
Jul. 3, 2007 |
| 7231153 |
Systems and methods for monitoring replaceable units |
Jun. 12, 2007 |
| 7221473 |
Printing system for updating printing characteristics with a printing consumable |
May. 22, 2007 |
| 7221878 |
Allowing image formation using consumable item where code of consumable item is identical to code of image-formation device |
May. 22, 2007 |
| 7221886 |
Electrical connections for circuit boards on universal toner cartridges |
May. 22, 2007 |
| 7197633 |
Wireless machine post-launch configuration and option upgrade |
Mar. 27, 2007 |
| 7190911 |
Detachable unit, image forming apparatus, server computer, computer program, and client system |
Mar. 13, 2007 |
| 7164491 |
Identifying apparatus, apparatus to be identified, identifying method, and printing apparatus |
Jan. 16, 2007 |
| 7136598 |
Image forming apparatus, unit of image forming apparatus and information control method of image forming apparatus |
Nov. 14, 2006 |
| 7127185 |
Method and system for component replacement based on use and error correlation |
Oct. 24, 2006 |
| 7113710 |
Structure preventing the use of an unauthorized circuit board |
Sep. 26, 2006 |
| 7106981 |
Image forming apparatus |
Sep. 12, 2006 |
| 7088928 |
Systems and methods for universal imaging components |
Aug. 8, 2006 |
| 7085505 |
Image forming apparatus which monitors lifetimes of expendables |
Aug. 1, 2006 |
| 7077520 |
Electrophotographic apparatus |
Jul. 18, 2006 |
| 7062181 |
Systems and methods for single wire communication and interaction with a customer replaceable unit monitor |
Jun. 13, 2006 |
| 7058320 |
Image forming apparatus, cartridge detachably mountable to the image forming apparatus, developer remainder displaying method and system |
Jun. 6, 2006 |
| 7058319 |
Image forming apparatus and cartridge detachably mountable thereto |
Jun. 6, 2006 |
| 7050727 |
Storage control method for a memory provided in a removable cartridge in an image forming apparatus |
May. 23, 2006 |
| 7050182 |
Device having embedded supply consumption rate test capability |
May. 23, 2006 |
| 7043169 |
Method, device, system and recording medium for detecting improper cartridge, and cartridge |
May. 9, 2006 |
| 7035555 |
Apparatus and method for detecting consumable product engagement in a printing device |
Apr. 25, 2006 |
| 7031012 |
Printing apparatus and its control method, and expendable attached to printing apparatus and having memory |
Apr. 18, 2006 |
| 7027745 |
Image forming apparatus with notification of remaining life of image forming unit and prohibition of image improvement operation |
Apr. 11, 2006 |
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