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Class Information
Number: 399/28
Name: Electrophotography > Diagnostics > Consumable > Toner > Color
Description: Subject matter wherein an analysis is made of plural colors of toner.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7606506 |
Image forming apparatus |
Oct. 20, 2009 |
| 7565085 |
Image forming device and toner consumption amount estimating method |
Jul. 21, 2009 |
| 7558494 |
Image forming apparatus |
Jul. 7, 2009 |
| 7555230 |
Image forming apparatus that generates a different light pattern for different development apparatuses |
Jun. 30, 2009 |
| 7542688 |
Method of detecting pages subject to reload artifact with IOI (image on image) correction |
Jun. 2, 2009 |
| 7492484 |
Image signal processing method and apparatus for limiting amount of toner stick |
Feb. 17, 2009 |
| 7389058 |
Method of and apparatus for indicating a time to replace consumables in an image forming apparatus |
Jun. 17, 2008 |
| 7333739 |
Toner near empty state detection system |
Feb. 19, 2008 |
| 7313334 |
Image formation device enabling switching between color printing mode and monochrome printing mode |
Dec. 25, 2007 |
| 7280774 |
Apparatus and method for automatically adjusting toner density in a color printer |
Oct. 9, 2007 |
| 7242877 |
Image forming apparatus and image forming method |
Jul. 10, 2007 |
| 7206068 |
Image forming device, post-processing device and color calibration method |
Apr. 17, 2007 |
| 7177556 |
Image formation device and recording agent cartridge attached thereto |
Feb. 13, 2007 |
| 7164491 |
Identifying apparatus, apparatus to be identified, identifying method, and printing apparatus |
Jan. 16, 2007 |
| 7164867 |
Method and apparatus for selecting image forming apparatus having enough toner |
Jan. 16, 2007 |
| 7158730 |
Image forming apparatus, process cartridge, developing unit, and image forming method |
Jan. 2, 2007 |
| 7123849 |
Image forming apparatus, image forming apparatus control method, cartridge, and storage medium |
Oct. 17, 2006 |
| 7085506 |
Method for controlling the state of developer material |
Aug. 1, 2006 |
| 7009719 |
Systems and methods for controlling an image forming system based on customer replaceable unit status |
Mar. 7, 2006 |
| 6977755 |
Toner advisor apparatus and method |
Dec. 20, 2005 |
| 6970262 |
Color image communication apparatus |
Nov. 29, 2005 |
| 6967733 |
Printer and a control method and recording medium for the same |
Nov. 22, 2005 |
| 6915090 |
Image forming apparatus that determines toner amount in a plurality of color cartridges |
Jul. 5, 2005 |
| 6795660 |
Developer replenishment unit and image formation apparatus |
Sep. 21, 2004 |
| 6580879 |
Method and system for managing replenishment of toners |
Jun. 17, 2003 |
| 6343194 |
Printer controller and printer as well as recording method for controlling specific consumables used therefor |
Jan. 29, 2002 |
| 6332063 |
Image forming apparatus with residual toner detection and collection features |
Dec. 18, 2001 |
| 6314250 |
Developing device, process cartridge and electrophotographic image forming apparatus with capacitance detector for detecting residual toner amount |
Nov. 6, 2001 |
| 6266493 |
Printing systems and methods |
Jul. 24, 2001 |
| 6223131 |
Ink cartridge for an ink-jet recording apparatus, and a system for detecting and displaying an ink consumption state of an ink cartridge |
Apr. 24, 2001 |
| 6185386 |
Image forming apparatus |
Feb. 6, 2001 |
| 6063180 |
Use of free-flowing, magnetic iron oxide containing granules with 50 to 73 wt. % iron content |
May. 16, 2000 |
| 6029018 |
Color capable electrophotographic printer |
Feb. 22, 2000 |
| 6002904 |
Image forming apparatus having light projecting unit for projecting light on image carrier prior to transfer of toner image |
Dec. 14, 1999 |
| 5722017 |
Liquid developing material replenishment system and method |
Feb. 24, 1998 |
| 5523823 |
Method and apparatus for correcting a color registration error |
Jun. 4, 1996 |
| 5510885 |
Color image forming apparatus |
Apr. 23, 1996 |
| 5493386 |
Multi-toner image forming apparatus and method having pattern recognition |
Feb. 20, 1996 |
| 5457518 |
Color registration error detecting method |
Oct. 10, 1995 |
| 5398109 |
Apparatus and method for correcting color image data according to a masking equation |
Mar. 14, 1995 |
| 5319433 |
Electrophotographing apparatus for forming color image |
Jun. 7, 1994 |
| 5296907 |
Image forming apparatus that permits the setting of separated copy modes for at least one original document of a plurality of original documents to be copied |
Mar. 22, 1994 |
| 5266976 |
Apparatus for forming a color image |
Nov. 30, 1993 |
| 5229821 |
Process cartridge with toner depletion detection feature and image forming apparatus using the same |
Jul. 20, 1993 |
| 5220379 |
Color image forming apparatus |
Jun. 15, 1993 |
| 5208631 |
High light color toner identification scheme |
May. 4, 1993 |
| 5153646 |
Image forming apparatus with removable developing means |
Oct. 6, 1992 |
| 5070362 |
Image forming apparatus having a plurality of selectively operable developers |
Dec. 3, 1991 |
| 5019859 |
Process control for highlight color with developer switching |
May. 28, 1991 |
| 4996566 |
Multicolor image forming apparatus with separately removable and insertable assembly units |
Feb. 26, 1991 |
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