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Class Information
Number: 399/286
Name: Electrophotography > Image formation > Development > Dry development > Application member > Roller > Details
Description: Subject matter wherein the roller consists of a specific composition or of specific surface properties.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7603067 |
Rubber member and developing roller composed of rubber member |
Oct. 13, 2009 |
| 7599650 |
Developer bearing member, developing device, process cartridge and image forming apparatus |
Oct. 6, 2009 |
| 7580660 |
Developing roller, process for producing developing roller, process cartridge and image forming apparatus |
Aug. 25, 2009 |
| 7570905 |
Developing roller, developing apparatus using the same, and image forming apparatus |
Aug. 4, 2009 |
| 7565099 |
Developing device and image forming apparatus having a toner-particle bearing roller with a helical groove portion |
Jul. 21, 2009 |
| 7555252 |
Image forming apparatus that prevents conspicuous unevenness in image density |
Jun. 30, 2009 |
| 7555253 |
Semiconductive rubber member and developing roller composed of semiconductive rubber member |
Jun. 30, 2009 |
| 7536140 |
Developer holding member, method of producing a developer holding member, developing apparatus and image-forming apparatus |
May. 19, 2009 |
| 7526239 |
Development roller |
Apr. 28, 2009 |
| 7505720 |
Developing roller and developing method thereof |
Mar. 17, 2009 |
| 7450892 |
Electrophotograph developing roller and image forming device using the same |
Nov. 11, 2008 |
| 7437108 |
Developing roller for electrographic apparatus including a base rubber, a conductive polymer, a conductive carbon black and a binder resin and electrographic apparatus containing the developin |
Oct. 14, 2008 |
| 7406277 |
Semiconductive rubber member |
Jul. 29, 2008 |
| 7399947 |
Thermal processor with temperature compensation |
Jul. 15, 2008 |
| 7389074 |
Developer holding body and developing apparatus |
Jun. 17, 2008 |
| 7356294 |
Developing roll |
Apr. 8, 2008 |
| 7356295 |
Developer-carrying member having improved transportability, a developing unit, a process cartridge and an image forming apparatus |
Apr. 8, 2008 |
| 7356293 |
Toner transport roller |
Apr. 8, 2008 |
| 7346300 |
Developing apparatus |
Mar. 18, 2008 |
| 7330684 |
Developing device, image forming apparatus, image forming system, charging member, and method for manufacturing developing device |
Feb. 12, 2008 |
| 7320822 |
Electrophotographic conductive member and electrophotographic apparatus |
Jan. 22, 2008 |
| 7313351 |
One-component type developing apparatus |
Dec. 25, 2007 |
| 7294810 |
Heater, fixing device and image forming apparatus |
Nov. 13, 2007 |
| 7266329 |
Toner image carrying member and manufacturing method thereof, and electrophotographic apparatus |
Sep. 4, 2007 |
| 7260349 |
Developing roller for use in image-forming apparatus and developing device equipped with the same |
Aug. 21, 2007 |
| 7228094 |
Nano-size powder coatings for donor members |
Jun. 5, 2007 |
| 7224927 |
Developing roller for use in image-forming apparatus and developing apparatus equipped with the same |
May. 29, 2007 |
| 7221889 |
Replaceable developer roller |
May. 22, 2007 |
| 7203451 |
Development roller, development roller base, development roller manufacturing method, and image forming apparatus |
Apr. 10, 2007 |
| 7197259 |
Developing apparatus and image forming apparatus that incorporates the developing apparatus |
Mar. 27, 2007 |
| 7190926 |
Developer bearing body and image forming apparatus |
Mar. 13, 2007 |
| 7181155 |
Developer supplying device, developing roller, developing device, image forming apparatus and process cartridge |
Feb. 20, 2007 |
| 7155151 |
Developer carrier, developing device, image forming apparatus and computer system |
Dec. 26, 2006 |
| 7127200 |
Developing roller, electrophotographic process cartridge, and electrophotographic image forming apparatus |
Oct. 24, 2006 |
| 7110688 |
Image forming device that adjusts image density based on developing bias and pressing force |
Sep. 19, 2006 |
| 7099613 |
Developing roller, electrophotographic process cartridge, and electrophotographic image forming apparatus |
Aug. 29, 2006 |
| 7067225 |
Method for forming an image |
Jun. 27, 2006 |
| 7016631 |
Metal and ceramic blend donor roll coatings |
Mar. 21, 2006 |
| 6999706 |
Developing device and process cartridge including the same for use in electro photographic image-forming apparatus |
Feb. 14, 2006 |
| 6970671 |
Image forming apparatus |
Nov. 29, 2005 |
| 6965743 |
Developing apparatus |
Nov. 15, 2005 |
| 6952551 |
Developer carrying member and developing apparatus |
Oct. 4, 2005 |
| 6947689 |
Image forming apparatus |
Sep. 20, 2005 |
| 6924076 |
Developing assembly, process cartridge and image-forming method |
Aug. 2, 2005 |
| 6873816 |
Developing assembly, process cartridge and image-forming method |
Mar. 29, 2005 |
| 6832065 |
Roll and development apparatus using the same |
Dec. 14, 2004 |
| 6795675 |
Developing-carrying member, and developing apparatus and image forming apparatus including the member |
Sep. 21, 2004 |
| 6795674 |
Developing device for an image forming apparatus |
Sep. 21, 2004 |
| 6782226 |
Developing device |
Aug. 24, 2004 |
| 6760560 |
Developing apparatus and image forming apparatus employing it |
Jul. 6, 2004 |
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