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Class Information
Number: 399/222
Name: Electrophotography > Image formation > Development
Description: Subject matter wherein an apparatus is provided for making visible a latent image by the application of developer material.
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 |
| 7610000 |
Developing device driver and an image forming apparatus using the same |
Oct. 27, 2009 |
| 7570901 |
Roller spacing apparatus and image forming device having the same |
Aug. 4, 2009 |
| 7570904 |
Image forming apparatus |
Aug. 4, 2009 |
| 7542707 |
Image forming apparatus |
Jun. 2, 2009 |
| 7505709 |
Image forming apparatus, process unit, and developing cartridge |
Mar. 17, 2009 |
| 7460816 |
Developing device and image forming apparatus having gears whose relative positions can be determined with precision |
Dec. 2, 2008 |
| 7428396 |
Power transmitting device for developing device and image forming apparatus with the same |
Sep. 23, 2008 |
| 7426358 |
Image forming apparatus and method having a cleanerless image forming unit |
Sep. 16, 2008 |
| 7403734 |
Developing device, image forming apparatus, image forming system, and method of assembling developer supplying roller |
Jul. 22, 2008 |
| 7398040 |
Developing apparatus, cartridge and image forming apparatus |
Jul. 8, 2008 |
| 7395014 |
Image forming apparatus |
Jul. 1, 2008 |
| 7391996 |
Image forming apparatus configured so that an angel is formed by straight line connecting a rotation center of a rotary and a drive transmitting position, and a tangent line at a transfer posi |
Jun. 24, 2008 |
| 7386258 |
Coupling means for development roller of developing unit and electrophotographic image forming apparatus having the same |
Jun. 10, 2008 |
| 7366449 |
Developing unit, process cartridge, and image forming apparatus |
Apr. 29, 2008 |
| 7361400 |
Developer carrier, developing device using the developer carrier, and process cartridge using the developer carrier |
Apr. 22, 2008 |
| 7333753 |
Developer housing design with improved sump mass variation latitude |
Feb. 19, 2008 |
| 7332256 |
Image forming method and image forming apparatus |
Feb. 19, 2008 |
| 7292724 |
Image processing apparatus and image processing method |
Nov. 6, 2007 |
| 7292806 |
Image forming apparatus and an image forming method using a plurality of monochromatic developer cartridges |
Nov. 6, 2007 |
| 7289750 |
Image forming apparatus and an image forming method using a plurality of monochromatic developer cartridges |
Oct. 30, 2007 |
| 7260341 |
Cleaning patch for an image forming apparatus |
Aug. 21, 2007 |
| 7248806 |
Paddle positioning system |
Jul. 24, 2007 |
| 7236724 |
Method for forming image and image forming apparatus |
Jun. 26, 2007 |
| 7224924 |
Developing device, image forming apparatus, image forming system, and method of manufacturing developing device |
May. 29, 2007 |
| 7215909 |
Developing device, and process cartridge maintaining position of developing roller, and image forming apparatus using these |
May. 8, 2007 |
| 7212773 |
Image forming apparatus |
May. 1, 2007 |
| 7209684 |
Image forming apparatus and method for forming image with developing agent having adhesive strength |
Apr. 24, 2007 |
| 7199898 |
Developing device and image forming apparatus |
Apr. 3, 2007 |
| 7177573 |
Image forming apparatus with reversely rotated developer bearing members |
Feb. 13, 2007 |
| 7155137 |
Process cartridge, developing cartridge and developing roller |
Dec. 26, 2006 |
| 7056637 |
Electrophotographic toner with uniformly dispersed wax |
Jun. 6, 2006 |
| 7027758 |
Image forming apparatus employing work function relationships |
Apr. 11, 2006 |
| 7024137 |
Developing device, developing cartridge, and process cartridge each urging developing roller into regulating portion, and image forming apparatus having such developing device or process cartr |
Apr. 4, 2006 |
| 7006778 |
Detoning apparatus and method |
Feb. 28, 2006 |
| 6990308 |
Image forming device, print cartridge and doctor blade assembly that reduce vibrations at doctoring media nip |
Jan. 24, 2006 |
| 6978100 |
Process cartridge, developing cartridge and developing roller |
Dec. 20, 2005 |
| 6978107 |
Developer supply container |
Dec. 20, 2005 |
| 6963704 |
Heating system for a developer housing |
Nov. 8, 2005 |
| 6957030 |
Method and apparatus for making signs |
Oct. 18, 2005 |
| 6898402 |
Developing unit and electrophotographic image forming apparatus using the same |
May. 24, 2005 |
| 6873813 |
Development method and image formation apparatus |
Mar. 29, 2005 |
| 6823160 |
Developing device and image forming apparatus having a gear holder |
Nov. 23, 2004 |
| 6823159 |
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE INCLUDING A DEVELOPING DEVICE PROVIDED AT LEAST WITH A DEVELOPER HOLDING MEMBER FOR HOLDING A DEVELOPER CONTAINING A TONER AND A DEVELOPER REGULAT |
Nov. 23, 2004 |
| 6816692 |
Support assembly for roller including roller body and support shaft |
Nov. 9, 2004 |
| 6741822 |
Image forming apparatus with members for holding a cartridge |
May. 25, 2004 |
| 6681091 |
Development method and image formation apparatus |
Jan. 20, 2004 |
| 6671480 |
Image forming apparatus |
Dec. 30, 2003 |
| 6625413 |
Developing device, process cartridge and electrophotographic image forming apparatus |
Sep. 23, 2003 |
| 6621999 |
Developing device and image forming apparatus |
Sep. 16, 2003 |
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