| Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618) |
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| 05/01/1990 | US4921241 Copy sheet registration assembly for electrophotographic copier |
| 05/01/1990 | US4921240 Plural belt document feeder |
| 05/01/1990 | US4921239 Document feeding apparatus |
| 05/01/1990 | US4921236 Recycling automatic document feeder |
| 05/01/1990 | US4920916 Electrostatic latent image developing device |
| 04/26/1990 | DE3935231A1 Bilderzeugungseinrichtung An image forming apparatus |
| 04/26/1990 | DE3843360C1 Device for transporting toner in electrophotographic printing devices |
| 04/25/1990 | EP0365345A2 A corona wire cleaning device for a corona unit |
| 04/25/1990 | EP0365310A2 Colour detection and/or recognition apparatus |
| 04/25/1990 | EP0365284A1 Apparatus for delivering sets of sheets |
| 04/25/1990 | EP0365254A2 Memory device for a page printer |
| 04/25/1990 | EP0365251A1 Sheet heating device |
| 04/25/1990 | EP0365056A2 Developing unit for use in electrophotographic printing apparatus |
| 04/25/1990 | EP0365035A2 Cassette loading device for image forming apparatus |
| 04/25/1990 | EP0365004A2 Scanning apparatus for reading an original image |
| 04/25/1990 | EP0364855A1 Method of and apparatus for transferring a powder image, consisting of electrostatically charged developing powder, from an image forming medium to an image receiving medium |
| 04/25/1990 | EP0364827A2 Image processing apparatus |
| 04/24/1990 | US4920421 Simultaneous read/write copier |
| 04/24/1990 | US4920384 Copying machine with automatic document feeding means |
| 04/24/1990 | US4920383 Paper handling for repetitive movement of variable length media through an image transfer station |
| 04/24/1990 | US4920382 Fixing method for resin based sheets |
| 04/24/1990 | US4920381 Toner container lift mechanism |
| 04/24/1990 | US4920380 Surface potential control device of photoconductive member |
| 04/24/1990 | US4920379 Image forming apparatus with a common power source for various chargers and a simplified arrangement for subjecting the photosensitive drum to blank exposure |
| 04/24/1990 | US4920377 Copying apparatus capable of automatically selecting copy paper size and control method for controlling operation of copying apparatus |
| 04/24/1990 | US4920374 Picture recording apparatus |
| 04/24/1990 | US4920266 Neutralization of damaging nitrogen oxides |
| 04/24/1990 | US4920250 In an electrostatographic copier or printer |
| 04/24/1990 | US4920024 Photoreceptor edge erase system for tri-level xerography |
| 04/24/1990 | US4919410 Apparatus for determining copy sheet set thickness |
| 04/24/1990 | US4919409 Sheet handling apparatus with narrow belt having raised frictional contact element |
| 04/24/1990 | US4919071 Dry toner removable developing cartridge |
| 04/19/1990 | WO1990004217A1 Imaging apparatus |
| 04/19/1990 | WO1990004216A1 Method and apparatus for imaging using an intermediate transfer member |
| 04/19/1990 | WO1990002977A3 Fusing apparatus and method |
| 04/19/1990 | DE3934645A1 Toner image transfer for laser copier-printer - having copy sheet guided into contact with process layer before transfer position |
| 04/19/1990 | DE3934305A1 Document handler for photocopier - has automatic feed and programmable copy sheet counter and comparator for accepting fan-fold continuous computer print=out paper |
| 04/18/1990 | EP0364287A2 Page entering apparatus for electrophotographic copying machine |
| 04/18/1990 | EP0364007A1 Developing method and apparatus |
| 04/18/1990 | EP0363983A2 Image reading apparatus |
| 04/18/1990 | EP0363932A2 Printing forme |
| 04/18/1990 | EP0363807A1 Automatic document conveying device and image processing machine equipped with it |
| 04/18/1990 | EP0363686A2 An image fixing apparatus |
| 04/17/1990 | US4918537 Image forming apparatus |
| 04/17/1990 | US4918490 Batch mode duplex printing |
| 04/17/1990 | US4918489 Method of supplying recording sheets in image forming apparatus |
| 04/17/1990 | US4918488 In an electrostatographic copier or printer |
| 04/17/1990 | US4918487 Toner applicator for electrophotographic microimagery |
| 04/17/1990 | US4918468 Method and apparatus for charged particle generation |
| 04/17/1990 | US4918466 Light beam image recording apparatus having commonly driven member |
| 04/17/1990 | US4918302 Arrangement for detecting a state of light or brightness |
| 04/17/1990 | US4917460 Method and apparatus for controlling lens of image forming apparatus |
| 04/17/1990 | US4917371 Automatic document feeder and registration system therefor |
| 04/17/1990 | US4917366 Sheet handling apparatus |
| 04/17/1990 | US4917364 Sheet processing apparatus |
| 04/17/1990 | US4917043 Developing device in an image forming apparatus |
| 04/11/1990 | EP0363347A2 Method for making a smooth, uniform image of a laser diode array |
| 04/11/1990 | EP0363153A2 Sheet edge detector |
| 04/11/1990 | EP0363132A2 LED illuminator bar |
| 04/11/1990 | EP0363129A2 Separating apparatus of transfer material |
| 04/11/1990 | EP0363077A2 Sheet feeders |
| 04/11/1990 | EP0363004A1 Electrostatic cleaning of electrodes in an electrographic printer |
| 04/11/1990 | EP0362842A2 Electrophotographic recording apparatus |
| 04/11/1990 | EP0362791A2 An image forming apparatus |
| 04/11/1990 | EP0362204A1 Covering and cleaning device for the optical character generator in an electrophotographic printing device |
| 04/11/1990 | EP0222819B1 Reader-printer apparatus with an improved viewing and print mirror assembly |
| 04/11/1990 | CN1007556B Removable processing cartridge for electrostatographic reproducing apparatus |
| 04/10/1990 | US4916547 Color image forming apparatus |
| 04/10/1990 | US4916493 Exit roller reversal gate for duplex printing |
| 04/10/1990 | US4916492 Developer method and apparatus |
| 04/10/1990 | US4916491 Control device for a copier |
| 04/10/1990 | US4916490 Image forming apparatus comprising a plurality of developing devices |
| 04/10/1990 | US4916489 Image forming apparatus |
| 04/10/1990 | US4916488 Auto-toner sensor |
| 04/10/1990 | US4916487 Image forming apparatus |
| 04/10/1990 | US4916486 Copying and printing apparatus |
| 04/10/1990 | US4916483 Small angle document rotator in an imaging device platen cover |
| 04/10/1990 | US4916481 Copying apparatus with original document positioning and guiding arrangement |
| 04/10/1990 | US4916480 Image forming apparatus with use of a laser beam |
| 04/10/1990 | US4916470 Image bar with electrochromic switching system |
| 04/10/1990 | US4916469 Image-forming apparatus |
| 04/10/1990 | US4915649 Connector |
| 04/10/1990 | US4915370 Paper feeding device |
| 04/05/1990 | WO1990003589A1 Optical scanner |
| 04/05/1990 | DE3833371A1 Folding lid for pressing an original (master) against a support surface (support plane) |
| 04/04/1990 | EP0361851A1 Photoreceptor edge erase system especially for tri-level xerography |
| 04/04/1990 | EP0361850A2 Sheet feeding and levelling apparatus |
| 04/04/1990 | EP0361812A2 A pressure device for use in image forming apparatuses |
| 04/04/1990 | EP0361562A1 Method of and device for fixing a powder image on a receiving support by means of heat |
| 04/04/1990 | EP0361478A1 Page printer |
| 04/04/1990 | EP0361426A2 Image-forming machine |
| 04/04/1990 | EP0361259A1 Method of and apparatus for separating and feeding sheets |
| 04/04/1990 | EP0360828A1 Printing apparatus and method |
| 04/04/1990 | CN1041046A Method of repeatedly recording optical image information and image pickup device |
| 04/04/1990 | CN1007461B Toner supply cartridge for reproduction and printing machines |
| 04/03/1990 | US4914737 Image forming apparatus |
| 04/03/1990 | US4914668 Semiconductor laser including a reflection film |
| 04/03/1990 | US4914525 Image processing machine |
| 04/03/1990 | US4914486 Image forming apparatus having simultaneous multicolor copying mode |
| 04/03/1990 | US4914485 Image forming apparatus |