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Class Information
Number: 399/224
Name: Electrophotography > Image formation > Development > Plural diverse (e.g., color) > Adding toner
Description: Subject matter wherein developer materials of different colors are added separately to an applicator or applicators.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7561835 |
Developing device, and image forming apparatus and process cartridge using the developing device |
Jul. 14, 2009 |
| 7502577 |
Image forming apparatus comprising a plurality of image forming stations and plurality of developer accommodating vessels |
Mar. 10, 2009 |
| 7437101 |
Toner container and toner filling method |
Oct. 14, 2008 |
| 6618564 |
Electrophotographic development system with custom color printing |
Sep. 9, 2003 |
| 6347199 |
Toner supply method in picture image forming system and picture image forming system |
Feb. 12, 2002 |
| 6198890 |
Electrophotographic color printing arrangement with inclined photoreceptor path |
Mar. 6, 2001 |
| 5852759 |
Electrostatographic developing device with toner dosage reservoir |
Dec. 22, 1998 |
| 5809370 |
Image forming apparatus capable of loading cartridge |
Sep. 15, 1998 |
| 5802435 |
Toner hopper lockout mechanism |
Sep. 1, 1998 |
| 5797069 |
Developing device for image forming apparatus |
Aug. 18, 1998 |
| 5787328 |
Rotary developing device for an image forming apparatus |
Jul. 28, 1998 |
| 5765059 |
Developing device for image forming apparatus and toner container therefor |
Jun. 9, 1998 |
| 5722008 |
Copy machine with physical mixing of distinct toner to form a custom colored toner |
Feb. 24, 1998 |
| 5708918 |
Image formation apparatus that can maintain appropriately toner density in developing device |
Jan. 13, 1998 |
| 5640644 |
Image forming apparatus having toner replenishment device |
Jun. 17, 1997 |
| 5315362 |
Multicolor developing device including expansion/contraction means for permitting a developing mechanism to move relative to its associated toner container |
May. 24, 1994 |
| 5300991 |
Image forming apparatus with toner replenisher |
Apr. 5, 1994 |
| 5298951 |
Image forming apparatus with toner monitoring system |
Mar. 29, 1994 |
| 5287161 |
Color image forming apparatus with a multicolor detachable process unit |
Feb. 15, 1994 |
| 5194905 |
Color printer apparatus for printing selected portions of latent images in various colors |
Mar. 16, 1993 |
| 5182608 |
Method and apparatus for applying toner to an electrostatic image |
Jan. 26, 1993 |
| 5177543 |
Detack enhancement for electrostatographic document copiers/printers |
Jan. 5, 1993 |
| 5172168 |
Electrophotographic system haivng a developing device with a plurality of toner feeders |
Dec. 15, 1992 |
| 5162854 |
Image forming apparatus having at least two toning stations |
Nov. 10, 1992 |
| 5150162 |
Toner supply device for an image forming apparatus |
Sep. 22, 1992 |
| 5089859 |
Multicolor image forming apparatus which converts color data into erasing data |
Feb. 18, 1992 |
| 5077584 |
Toner supply device for electrophotographic equipment |
Dec. 31, 1991 |
| 5049930 |
System for preventing erroneous mounting of developer tanks accommodated in a developing device |
Sep. 17, 1991 |
| 5047804 |
Image forming apparatus having a toner replenishment control system |
Sep. 10, 1991 |
| 5045884 |
Toner supply arrangement |
Sep. 3, 1991 |
| 4982242 |
Color image forming apparatus |
Jan. 1, 1991 |
| 4954844 |
Multicolor image developing device |
Sep. 4, 1990 |
| 4937627 |
Image forming apparatus having toner replenishing device interchangeable with a developing unit |
Jun. 26, 1990 |
| 4927724 |
Method and apparatus for color electrophotography |
May. 22, 1990 |
| 4913348 |
Method and apparatus for creating contrasting images at substantially full contrast voltage |
Apr. 3, 1990 |
| 4912512 |
Electrophotographic copier with a capability of automatically setting up optimum process conditions |
Mar. 27, 1990 |
| 4878091 |
Multicolor image forming apparatus |
Oct. 31, 1989 |
| 4814821 |
Image-forming device |
Mar. 21, 1989 |
| 4111151 |
Multi-particle developability regulating system |
Sep. 5, 1978 |
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