| Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618) |
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| 01/01/1991 | US4982222 Imaging system utilizing an oscillating gradient index lens array |
| 01/01/1991 | US4982204 Method of adjusting the light-emission of a light emitting diode at a given driving current |
| 01/01/1991 | US4982203 Method and apparatus for improving the uniformity of an LED printhead |
| 01/01/1991 | US4981433 Sheet heating device |
| 01/01/1991 | US4981293 Sheet storing apparatus provided for a copying machine |
| 01/01/1991 | US4981218 Developer cartridge |
| 12/27/1990 | WO1990016018A1 Developing apparatus |
| 12/27/1990 | WO1990016017A1 Developing apparatus |
| 12/27/1990 | EP0404566A2 Shutter calibration document size detection |
| 12/27/1990 | EP0404561A2 Electrophotographic developing apparatus |
| 12/27/1990 | EP0404418A2 Image forming apparatus |
| 12/27/1990 | EP0404157A2 Heating apparatus and heater |
| 12/27/1990 | EP0404112A2 An image fixing apparatus |
| 12/27/1990 | EP0404079A2 An image forming apparatus |
| 12/27/1990 | EP0404024A2 Toner Kit |
| 12/27/1990 | EP0403625A1 Resequencing line store device. |
| 12/27/1990 | EP0403523A1 Electrophotographic printing device with regulated electrophotographic process. |
| 12/27/1990 | EP0403469A1 Device for dosed transfer of toner from a reservoir to the development station of a printer or photocopy machine. |
| 12/25/1990 | US4980760 Image processing apparatus |
| 12/25/1990 | US4980729 Copying machine with improved document and copy sheet handling |
| 12/25/1990 | US4980728 Developing device with a magnetic brush turning plate |
| 12/25/1990 | US4980727 Toner concentration control system |
| 12/25/1990 | US4980726 Toner density control device for an image forming apparatus |
| 12/25/1990 | US4980725 Background accenuating image forming apparatus |
| 12/25/1990 | US4980724 Developer material crossmixing apparatus |
| 12/25/1990 | US4980723 Horizontal image shift by shifting to a slower copying rate |
| 12/25/1990 | US4980722 Apparatus for transporting a photosensitive sheet at different speeds in accordance with the operation being performed by the machine |
| 12/25/1990 | US4980721 Copying apparatus having a controller capable of sorting groups of originals in different bins by detecting a boundary between the groups |
| 12/25/1990 | US4980720 Imaging system |
| 12/25/1990 | US4980719 Copier/printer and method for reproduction of secure documents or the like |
| 12/25/1990 | US4980706 Image processor with partial image size zooming and method of partial image processing |
| 12/25/1990 | US4980259 Transferring a first and second compositions of carrier liquid and charge director in a predetermined ratio |
| 12/25/1990 | US4980253 Additional information recording system |
| 12/25/1990 | US4979727 Automatic document feeder provided with three movable claws for directing the paper through different paths |
| 12/25/1990 | US4979386 Developer roll adjustment indicator device |
| 12/19/1990 | EP0403314A2 Color image forming apparatus |
| 12/19/1990 | EP0403311A2 A recording sheet for use in image forming apparatus, a method and an apparatus for forming an image |
| 12/19/1990 | EP0403310A2 Output sheet for image forming device and image forming device by use of the sheet |
| 12/19/1990 | EP0403264A2 High quality jet printer and method |
| 12/19/1990 | EP0402836A2 Image forming apparatus |
| 12/19/1990 | EP0402525A2 Cartridge for copying apparatus and the like |
| 12/18/1990 | US4979000 Paper separating charger capable of discharging currents of various duty factors and frequencies |
| 12/18/1990 | US4978998 Image transferring device for image forming equipment |
| 12/18/1990 | US4978997 Crossmixing dual auger system |
| 12/18/1990 | US4978996 Eraser turn-on control for a copier |
| 12/18/1990 | US4978995 Image forming apparatus having means for detecting loaded unit |
| 12/18/1990 | US4978993 Correction device for non-uniform illuminations in ratio-variable copy machine |
| 12/18/1990 | US4978992 Original size detecting apparatus of an image forming apparatus |
| 12/18/1990 | US4978980 Control method for a both-surface/multiplex recording apparatus |
| 12/18/1990 | US4978849 Pel placement correction in the scan dimension of a multiple beam laser scanning system |
| 12/18/1990 | US4978817 Interlock switch for a copying apparatus |
| 12/18/1990 | US4978597 Electrophotography |
| 12/18/1990 | US4978116 Sheet feeding apparatus |
| 12/18/1990 | US4978115 Automatic paper feed device |
| 12/18/1990 | US4978111 Recording sheet stacking apparatus in image recording system |
| 12/18/1990 | CA1278022C Positioning device for sheet on exposure platen of a copying machine |
| 12/13/1990 | WO1990015366A1 Container for particulate material |
| 12/13/1990 | WO1990014960A1 A method for improving the printing quality and repetition accuracy of electrographic printers and a device for accomplishing the method |
| 12/13/1990 | WO1990014959A1 Method for improving printing performance for printers and a device for accomplishing the method |
| 12/13/1990 | DE3918706A1 Electrophotographic copier for black=and=white and colour copies - extends basic design by second paper feed for direct exposure for reflected light beams to produce colour copy |
| 12/12/1990 | EP0402341A1 Integral fiber optic printhead |
| 12/12/1990 | EP0402143A2 Image forming apparatus |
| 12/12/1990 | EP0401977A1 An image forming apparatus |
| 12/12/1990 | EP0401807A2 Driving force transmitting apparatus |
| 12/12/1990 | EP0401749A2 Wet recording apparatus |
| 12/12/1990 | EP0401316A1 Linear printhead writer assembly and mount therefor. |
| 12/12/1990 | EP0401208A1 Process and device for printing by inking a latent image. |
| 12/12/1990 | CN1047736A Developing apparatus and treatment device with developing apparatus |
| 12/11/1990 | USRE33484 Cleaning device for a monochromatic copying machine |
| 12/11/1990 | US4977432 Decurling and offsetting device |
| 12/11/1990 | US4977431 Fixing apparatus and method of controlling temperature of the same |
| 12/11/1990 | US4977430 Transfer roller power supply |
| 12/11/1990 | US4977429 Apparatus for supplying toner to an image forming apparatus |
| 12/11/1990 | US4977428 System for drive control of toner agitator in image-forming apparatus |
| 12/11/1990 | US4977417 Electrophotography system |
| 12/11/1990 | US4977415 Electrostatic recording head, image recording apparatus, developing agent supplying device, display device and method of producing electrostatic recording head |
| 12/11/1990 | US4977414 Image forming apparatus |
| 12/11/1990 | US4977412 Optical scanning device |
| 12/11/1990 | US4977411 Electronic color printing system |
| 12/11/1990 | US4977308 Pressing roller of low molecular weight polysiloxane oligomer |
| 12/11/1990 | US4977052 Development, pressure fixing |
| 12/11/1990 | US4976993 Applying surface to heated pool of nonwetting, nonsticking material to coalesce resin |
| 12/11/1990 | US4976877 Fusing toner image onto substrate |
| 12/11/1990 | US4976408 Device for microfilming bound volumes using a tiltable book cradle |
| 12/06/1990 | DE4017458A1 Developer feed appts. for copier, printer, facsimile appts. etc. - has regulator in container reducing cross=section near supply aperture |
| 12/06/1990 | DE4017457A1 Developer feed appts. for copier, printer, facsimile appts. etc. - b is supported at ends by shafts and rotated by one driven by motor |
| 12/06/1990 | DE4017456A1 Developer feed appts. for copier, printer, facsimile appts. etc. - has drive shaft rotating container within retaining skirt with aperture for developer supply |
| 12/05/1990 | EP0401046A2 Crossmixing dual auger system |
| 12/05/1990 | EP0401020A2 Developing devices for use in electrophotographic apparatus |
| 12/05/1990 | EP0400996A1 Image forming apparatus |
| 12/05/1990 | EP0400986A1 An image forming apparatus |
| 12/05/1990 | EP0400956A2 Duplex printer/copier |
| 12/05/1990 | EP0400954A2 Raster scanning system utilizing overfilled polygon facet design |
| 12/05/1990 | EP0400941A2 Paper feeding control device |
| 12/05/1990 | EP0400723A1 Corona device |
| 12/05/1990 | EP0400674A2 Apparatus for controlling the movement of trays of paper within an electrophotographic printer |
| 12/05/1990 | EP0400673A2 Sheet feeding mechanism and method for an electrophotographic printer |
| 12/05/1990 | EP0400634A2 Rotatory member for fixing and fixing device having the rotatory member |
| 12/05/1990 | EP0400623A2 Toner cartridge |
| 12/05/1990 | EP0400572A2 Recording apparatus |