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Class Information
Number: 399/119
Name: Electrophotography > Having particular structure > Modular or displaceable > Developing unit
Description: Subject matter wherein the removable or replaceable unit applies toner to a latent image to render the image visible.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620347 |
Developing device and image forming apparatus having a gear holder |
Nov. 17, 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 |
| 7610000 |
Developing device driver and an image forming apparatus using the same |
Oct. 27, 2009 |
| 7599640 |
Developer cartridge, process unit, and image forming device |
Oct. 6, 2009 |
| 7594720 |
Recording apparatus |
Sep. 29, 2009 |
| 7577377 |
Developing device, process cartridge and image forming apparatus including the same |
Aug. 18, 2009 |
| 7570901 |
Roller spacing apparatus and image forming device having the same |
Aug. 4, 2009 |
| 7567772 |
Color printer apparatus |
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 |
| 7561827 |
Developing cartridge having a handle that contacts an exposure unit when installed in an image forming apparatus |
Jul. 14, 2009 |
| 7561817 |
Toner cartridges, development cartridges, and image forming apparatus including such cartridges |
Jul. 14, 2009 |
| 7555251 |
Image forming apparatus and toner cartridge |
Jun. 30, 2009 |
| 7555237 |
Positioning mechanism for positioning a developing apparatus and related developing apparatus |
Jun. 30, 2009 |
| 7551877 |
Image forming apparatus |
Jun. 23, 2009 |
| 7542700 |
Image forming process module having a detachable waste developer storage tank and image forming apparatus having the same |
Jun. 2, 2009 |
| 7539440 |
Magnetic monocomponent developer and image forming method |
May. 26, 2009 |
| 7536130 |
Cartridge detachable from image forming device |
May. 19, 2009 |
| 7536132 |
Developing recovery container |
May. 19, 2009 |
| 7532828 |
Image forming apparatus and developer remaining amount detecting method |
May. 12, 2009 |
| 7529492 |
Developing cartridge and image forming apparatus |
May. 5, 2009 |
| 7529503 |
Toner, developing device and developing method using the same |
May. 5, 2009 |
| 7529505 |
Restricting unit for restricting a supporter of developers in an image forming apparatus |
May. 5, 2009 |
| 7526225 |
Developing apparatus and assembly method of developing apparatus |
Apr. 28, 2009 |
| 7526227 |
Image forming apparatus and cartridge |
Apr. 28, 2009 |
| 7522865 |
Toner development unit |
Apr. 21, 2009 |
| 7522860 |
Developer cartridge for image-forming device |
Apr. 21, 2009 |
| 7522859 |
Developer cartridge with an extension portion |
Apr. 21, 2009 |
| 7519312 |
Developing unit and image forming device |
Apr. 14, 2009 |
| 7512347 |
Image-forming device capable of determining information on a detachably mounted developer cartridge and developer cartridge for use therein |
Mar. 31, 2009 |
| 7512363 |
Providing electrical potential to a rotatable developer carrier in an image forming apparatus |
Mar. 31, 2009 |
| 7509069 |
Electrophotographic image forming apparatus for printing photographic image and method for printing photographic image using the same |
Mar. 24, 2009 |
| 7505717 |
Image forming apparatus |
Mar. 17, 2009 |
| 7505716 |
Process cartridge having lockable parts, for an image forming apparatus |
Mar. 17, 2009 |
| 7505710 |
Image forming apparatus featuring pull-out developing and sheet feeding devices |
Mar. 17, 2009 |
| 7505699 |
Electrophotographic image forming apparatus |
Mar. 17, 2009 |
| 7502580 |
Two component development system using ion or electron charged toner |
Mar. 10, 2009 |
| 7493061 |
Process cartridge including at least one replaceable member and image forming apparatus |
Feb. 17, 2009 |
| 7486910 |
Cartridge detachably mounted to an image forming apparatus including a lock member engagable with a wall of the image forming apparatus |
Feb. 3, 2009 |
| 7483658 |
Image forming method and apparatus capable of enhancing toner mobility |
Jan. 27, 2009 |
| 7477857 |
Developing unit, image forming device, and developing bias control method |
Jan. 13, 2009 |
| 7473508 |
Toner, developer and image forming apparatus |
Jan. 6, 2009 |
| 7463847 |
Image-forming apparatus having developing units in removable holding unit |
Dec. 9, 2008 |
| 7463854 |
Developing apparatus, processing cartridge, and image forming apparatus |
Dec. 9, 2008 |
| 7457560 |
Developing device |
Nov. 25, 2008 |
| 7454145 |
Packaging detection and removal for an image forming device |
Nov. 18, 2008 |
| 7447467 |
Image-forming device with holding unit having multiple positions |
Nov. 4, 2008 |
| 7444103 |
Image-forming device and developing unit used therein |
Oct. 28, 2008 |
| 7444087 |
Image forming apparatus and developer cartridge with power supply shielding mechanism |
Oct. 28, 2008 |
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