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Class Information
Number: 399/130
Name: Electrophotography > Image formation
Description: Subject matter wherein a copy is produced by making a latent image visible with toner or marking particles.


Sub-classes under this class:

Class Number Class Name Patents
399/168 Charging 217
399/148 Combined or plural functions by single component 48
399/151 Combined with scanning 77
399/146 Contact exposure 7
399/222 Development 150
399/158 Display of developed image 27
399/177 Exposure 53
399/320 Fixing (e.g., fusing) 215
399/139 Formation of master, photocopy-printer 40
399/133 Having layer separation (e.g., manifold imaging) 8
399/156 Having modification of latent image 37
399/147 Having overlayer 26
399/134 Having photoconductive toner 8
399/155 Having reciprocating imaging member 22
399/154 Having transfer of latent image 33
399/135 Ion modulation (e.g., screen) 66
399/138 Operator adjusted density 96
399/137 Optical intermediate storage of original image 21
399/159 Photoconductive member 840
399/131 Photoelectrophoretic 46
399/145 Plural copies from same latent image 45
399/144 Reader-printer 52
399/143 Selectively positive or negative 44
399/153 Simultaneous charging and exposure 37
399/152 Simultaneous exposure and development 22
399/136 Simultaneously with charge transfer 14
399/132 Thermoplastic deformation 14
399/140 To produce microimage 35
399/297 Transfer 299
399/296 Treatment of developed image prior to transfer 197


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7539453 Printer capable of reserving sheet wrapping width May. 26, 2009
7466940 Modular marking architecture for wide media printing platform Dec. 16, 2008
7440133 Mode switching in a color printer Oct. 21, 2008
7423783 Color image scanning and printing device with efficient conversion of scanned image data into print image data Sep. 9, 2008
7423784 Processing of signals from image sensing apparatus whose image sensing area includes a plurality of areas Sep. 9, 2008
7415226 Image formation apparatus and image formation method Aug. 19, 2008
7400759 Method for testing a plastic sleeve for an image cylinder or a blanket cylinder Jul. 15, 2008
7382994 Background energy density control in an electrophotographic device Jun. 3, 2008
7349651 System and method for branding a document Mar. 25, 2008
7340205 Full-color electrophotographic image forming apparatus Mar. 4, 2008
7321356 Time domain printing for electric paper Jan. 22, 2008
7224931 Image forming apparatus and image forming method May. 29, 2007
7205046 Electrophotographic lamination film, a method of producing the same, and a method of forming an image Apr. 17, 2007
7177487 Determination of particle size by image analysis Feb. 13, 2007
7158216 Heat developing apparatus Jan. 2, 2007
7150909 Electrophotographic image-receiving sheet and process for image formation using the same Dec. 19, 2006
7110698 Original reading apparatus with openable and closable state and control based thereon Sep. 19, 2006
6993269 Image forming apparatus, image processing apparatus, image forming method and image processing method for forming/processing a three-dimensional image Jan. 31, 2006
6978104 Paper feeder and a printer employing the same Dec. 20, 2005
6933696 Driving device and image forming device Aug. 23, 2005
6903846 Image reading device having inputs respectively associated with different modes of use of read image data and multi-functional image forming apparatus for use therewith Jun. 7, 2005
6896952 Ink-receptor sheet for use as a recording material May. 24, 2005
6801175 Image forming apparatus Oct. 5, 2004
6768889 Method and apparatus for forming an image on display medium Jul. 27, 2004
6748801 Substrate bending stiffness measurement method and system Jun. 15, 2004
6708012 Image forming apparatus and image forming method Mar. 16, 2004
6701108 Non-fixing type image forming method and non-fixing type image forming apparatus Mar. 2, 2004
6581456 Substrate bending stiffness measurement method and system Jun. 24, 2003
6556797 Image-forming apparatus Apr. 29, 2003
6539190 Process cartridge and image forming apparatus comprising charging means including a charge member and electroconductive particles Mar. 25, 2003
6529704 Image forming method, image forming apparatus, toner removing device and image receiving sheet Mar. 4, 2003
6501929 Printing system for printing a recording medium using two printers, and a method for operating such a printing system Dec. 31, 2002
6442361 Variable speed image formation apparatus and method Aug. 27, 2002
6355390 Electrophotographic photoconductor, production process thereof, electrophotographic image forming method and apparatus, and process cartridge Mar. 12, 2002
6330049 Liquid crystal display device, and method for producing the same Dec. 11, 2001
6312792 Electrically conductive member and image-forming apparatus Nov. 6, 2001
6256468 Toner cake delivery system having a carrier fluid separation surface Jul. 3, 2001
6245420 Transfer belt for use in an electrostatographic duplicator Jun. 12, 2001
RE37197 Device for regenerating printed sheet-like recording medium May. 29, 2001
6137987 Image input apparatus outputting information in accordance with degree of matching with a specific original Oct. 24, 2000
6115572 System for registration of color separation images on a photoconductor belt Sep. 5, 2000
5956065 Printer for large format printing Sep. 21, 1999
5937243 Image-wise toner layer charging via air breakdown for image development Aug. 10, 1999
5886728 Image forming apparatus having a plurality of exposure devices which are radially arranged on a common supporting member with respect to a rotation axis of an image forming body Mar. 23, 1999
5879846 Image forming process and apparatus Mar. 9, 1999
5822656 Image forming apparatus in which a plurality of image segments are integrated into complete image Oct. 13, 1998
5812911 Method of electrostatically forming visual image Sep. 22, 1998
5790922 Image forming apparatus constructed to have a high heat radiating efficiency Aug. 4, 1998
5787327 Charging device for image forming apparatus Jul. 28, 1998
5761579 Five cycle color printing architecture with transfer after cleaning Jun. 2, 1998

1 2 3 4


 
 
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