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Class Information
Number: 399/111
Name: Electrophotography > Having particular structure > Modular or displaceable > Process cartridge unit
Description: Subject matter wherein the particular structure provides a photoconductive member and one or more means for charging, exposing, developing, transferring, etc., as a contained, separate unit.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619790 |
Image forming system, image forming apparatus, and control method thereof |
Nov. 17, 2009 |
| 7620346 |
Electrophotographic image forming device enabling to easily mount belt unit at regular position |
Nov. 17, 2009 |
| 7616905 |
Image forming apparatus, cartridge of image forming apparatus, cartridge mounting method |
Nov. 10, 2009 |
| 7616907 |
Printer cartridge |
Nov. 10, 2009 |
| 7613414 |
Developing cartridge, process carriage, and image forming apparatus |
Nov. 3, 2009 |
| 7613415 |
Process cartridge with component geometry suitable for recycle of same |
Nov. 3, 2009 |
| 7609996 |
Image forming apparatus having a locking member locking an image forming unit attached thereto |
Oct. 27, 2009 |
| 7609995 |
Device for helping toner cartridge recharging for printers |
Oct. 27, 2009 |
| 7603060 |
Image forming device and power transmission mechanism |
Oct. 13, 2009 |
| 7603057 |
Photosensitive unit and developer cartridge |
Oct. 13, 2009 |
| 7599644 |
Process cartridge and image forming apparatus that eliminates charge from the surface of a photosensitive member upstream of a sealing member contact portion |
Oct. 6, 2009 |
| 7599640 |
Developer cartridge, process unit, and image forming device |
Oct. 6, 2009 |
| 7592109 |
Thick electrophotographic imaging member undercoat layers |
Sep. 22, 2009 |
| 7593663 |
Image forming apparatus |
Sep. 22, 2009 |
| 7593667 |
Image forming apparatus with detachable process unit |
Sep. 22, 2009 |
| 7590371 |
Image carrying cartridge, process cartridge, and image-forming device |
Sep. 15, 2009 |
| 7590370 |
Image forming apparatus having openings and a cover |
Sep. 15, 2009 |
| 7580815 |
Information processing apparatus and its control method |
Aug. 25, 2009 |
| 7577377 |
Developing device, process cartridge and image forming apparatus including the same |
Aug. 18, 2009 |
| 7570900 |
Process cartridge receiving from an image forming apparatus into which it is mounted a downstream-moving force during mounting and such image forming apparatus |
Aug. 4, 2009 |
| 7567768 |
Method and apparatus for reassembling a toner cartridge |
Jul. 28, 2009 |
| 7565092 |
Photosensitive member cartridge, developer cartridge and process cartridge with at least one engaging portion |
Jul. 21, 2009 |
| 7565094 |
Process cartridge, photosensitive member cartridge, developer cartridge and developer cartridge for use in image forming apparatus |
Jul. 21, 2009 |
| 7565093 |
Image-forming device having cartridge-accommodating section |
Jul. 21, 2009 |
| 7561826 |
Method and apparatus for image forming capable of effectively supporting a process cartridge |
Jul. 14, 2009 |
| 7561827 |
Developing cartridge having a handle that contacts an exposure unit when installed in an image forming apparatus |
Jul. 14, 2009 |
| 7558504 |
Image forming apparatus |
Jul. 7, 2009 |
| 7555237 |
Positioning mechanism for positioning a developing apparatus and related developing apparatus |
Jun. 30, 2009 |
| 7555243 |
Charging member, process cartridge including the same, and image forming apparatus including the same |
Jun. 30, 2009 |
| 7551860 |
Image forming apparatus including a recognition structure for recognizing the compatibility of an image forming process unit |
Jun. 23, 2009 |
| 7551877 |
Image forming apparatus |
Jun. 23, 2009 |
| 7546063 |
Image carrying member cartridge and image forming apparatus |
Jun. 9, 2009 |
| 7546064 |
Process cartridge with image carrier supporting structure for use in an image forming apparatus |
Jun. 9, 2009 |
| 7542700 |
Image forming process module having a detachable waste developer storage tank and image forming apparatus having the same |
Jun. 2, 2009 |
| 7542701 |
Process cartridge and an image forming apparatus having the same |
Jun. 2, 2009 |
| 7536130 |
Cartridge detachable from image forming device |
May. 19, 2009 |
| 7532844 |
Process cartridge, image forming apparatus and method of assembling process cartridges |
May. 12, 2009 |
| 7532840 |
Process cartridge and image forming apparatus |
May. 12, 2009 |
| 7532839 |
Process cartridge with a frame that supports an image holding member and an image forming apparatus |
May. 12, 2009 |
| 7532828 |
Image forming apparatus and developer remaining amount detecting method |
May. 12, 2009 |
| 7532841 |
Protective cover, process cartridge employing same, image forming apparatus, and method of installing process cartridge |
May. 12, 2009 |
| 7529502 |
Process cartridge in image-forming device |
May. 5, 2009 |
| 7529503 |
Toner, developing device and developing method using the same |
May. 5, 2009 |
| 7526232 |
Image forming apparatus and drive unit of image forming unit |
Apr. 28, 2009 |
| 7526228 |
Developer cartridge, image carrier unit, and image forming apparatus |
Apr. 28, 2009 |
| 7526227 |
Image forming apparatus and cartridge |
Apr. 28, 2009 |
| 7526225 |
Developing apparatus and assembly method of developing apparatus |
Apr. 28, 2009 |
| 7522859 |
Developer cartridge with an extension portion |
Apr. 21, 2009 |
| 7522858 |
Photosensitive-member unit and image forming apparatus |
Apr. 21, 2009 |
| 7522853 |
Method and unit of controlling applied voltages for uniformly charging a photoreceptor |
Apr. 21, 2009 |
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