| Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618) |
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| 02/12/1991 | US4992829 Flash lamp intensity control for electrostatographic reproduction machines |
| 02/12/1991 | US4992828 Digitizer having selected area designation |
| 02/12/1991 | US4992827 Image forming apparatus |
| 02/12/1991 | US4992822 Optical printing system |
| 02/12/1991 | US4992815 Sheet loading magazine |
| 02/12/1991 | US4992807 Gray scale printhead system |
| 02/12/1991 | US4992767 Magnet roll |
| 02/12/1991 | CA1280152C Charge and bias control system for electrophotographiccopier |
| 02/07/1991 | WO1991001532A1 Arrangement for determining the radiant energy emitted by light-emitting semiconductor elements and its use in an electrophotographic printer |
| 02/07/1991 | WO1991001220A1 Composite tubular article and its production method |
| 02/07/1991 | DE4024311A1 Imaging laser printer, digital copier or facsimile - shows data relating to working voltage and remaining working life when fixing unit is attached |
| 02/06/1991 | EP0412038A2 Chromatic and misalignment compensation in a multiple beam laser scanning system |
| 02/06/1991 | EP0412036A2 Pel placement correction in the scan dimension of a multiple beam laser scanning system |
| 02/06/1991 | EP0411953A2 Reprographic apparatus |
| 02/06/1991 | EP0411918A2 Color image processing apparatus |
| 02/06/1991 | EP0411891A2 Developing device for use in the electrophotographic field |
| 02/06/1991 | EP0411865A2 An image forming apparatus |
| 02/06/1991 | EP0411852A2 Fixing device |
| 02/06/1991 | EP0411844A2 Process control for electrostatographic printers |
| 02/06/1991 | EP0411588A2 An image fixing apparatus |
| 02/06/1991 | EP0411575A2 Electrophotographic image-forming method |
| 02/06/1991 | EP0411574A2 Electrophotographic image-forming method |
| 02/06/1991 | EP0411533A2 Recirculating sheet feeding apparatus |
| 02/06/1991 | EP0411479A2 Method for electrophotographic image formation |
| 02/06/1991 | EP0411474A2 Automatic document feeding apparatus |
| 02/06/1991 | CN1049064A 成象设备 Imaging equipment |
| 02/06/1991 | CN1049063A 成象设备 Imaging equipment |
| 02/05/1991 | US4990969 Method and apparatus for forming multicolor images |
| 02/05/1991 | US4990968 Multi-colored image forming apparatus |
| 02/05/1991 | US4990967 Copying method and apparatus |
| 02/05/1991 | US4990966 Using an electrophotographic process |
| 02/05/1991 | US4990965 For reversing a side of a recording sheet |
| 02/05/1991 | US4990964 Toner delivery system having a multi-functional toner container for non-mechanical printer and copier means |
| 02/05/1991 | US4990963 Electrostatic, photosensitive |
| 02/05/1991 | US4990962 Wet type developing device providing controlled amount of developing liquid |
| 02/05/1991 | US4990961 Electrophotographic apparatus with variable bias voltage |
| 02/05/1991 | US4990960 Method and device for measuring densities of different toners constituting a mixture |
| 02/05/1991 | US4990959 One-component developing apparatus with improved toner layer regulating member |
| 02/05/1991 | US4990958 Reload member for a single component development housing |
| 02/05/1991 | US4990957 Automatic exposure device |
| 02/05/1991 | US4990956 Image forming apparatus |
| 02/05/1991 | US4990955 White level stabilization for tri-level imaging |
| 02/05/1991 | US4990954 Image forming apparatus having detachable data storage unit |
| 02/05/1991 | US4990952 Image forming apparatus |
| 02/05/1991 | US4990951 Image forming apparatus having function for controlling shutter by a pulse |
| 02/05/1991 | US4990941 Duplex print apparatus |
| 02/05/1991 | US4990936 Image forming device |
| 02/05/1991 | US4990876 Iron, neodymium, praseodymium alloy |
| 02/05/1991 | US4989985 Densitometer for measuring specular reflectivity |
| 02/05/1991 | US4989754 Toner level detection system |
| 02/05/1991 | US4989539 Developing apparatus |
| 02/05/1991 | CA1279879C Document set separator and stack height sensor |
| 02/05/1991 | CA1279878C Plural level vacuum document feeder |
| 01/30/1991 | EP0410800A2 Process for forming secure images |
| 01/30/1991 | EP0410738A2 Image forming apparatus |
| 01/30/1991 | EP0410730A2 An apparatus for switching and driving a plurality of driven systems |
| 01/30/1991 | EP0410668A2 Queue management process |
| 01/30/1991 | EP0410482A2 Image forming apparatus |
| 01/30/1991 | EP0410457A2 Image forming apparatus |
| 01/30/1991 | EP0410456A2 Image forming apparatus |
| 01/30/1991 | EP0410454A2 Automatic document conveying device |
| 01/29/1991 | US4989098 Processing apparatus using selectable period triangular or sawtooth waves |
| 01/29/1991 | US4989080 Color correction device with a hue area judgment unit to determine correction parameters |
| 01/29/1991 | US4989049 Multi-color image forming apparatus |
| 01/29/1991 | US4989045 Method for removal and addition of developer to a toner module in an electrophotographic print engine |
| 01/29/1991 | US4989044 Developing apparatus for developing electrostatic latent images |
| 01/29/1991 | US4989043 Color-balance control method |
| 01/29/1991 | US4989041 Optical scanning device for image forming apparatus |
| 01/29/1991 | US4989040 Position input apparatus encluding a position detector input apparatus |
| 01/29/1991 | US4989039 Image forming apparatus responsive to environmental conditions |
| 01/29/1991 | US4989038 Image forming apparatus utilizing a light image memory |
| 01/29/1991 | US4989037 Device for driving a rotary body |
| 01/29/1991 | US4989021 Cleaning device for conductive magnetic toner and image recording apparatus using same |
| 01/29/1991 | US4989019 Multi-beam scanning system compensated for banding |
| 01/29/1991 | US4988591 Process for producing color images |
| 01/29/1991 | US4988088 Sheet turning device |
| 01/29/1991 | US4988087 Sheet Stacker |
| 01/29/1991 | US4988085 Recorded sheet handling apparatus |
| 01/29/1991 | US4988030 Printed recording paper processing apparatus |
| 01/29/1991 | US4988029 Finisher accessory for hard copy printers |
| 01/29/1991 | US4987853 Magnetic brush development apparatus |
| 01/29/1991 | CA1279624C Registration system for an electrostatic printer/plotter |
| 01/24/1991 | DE3931151A1 Pictoral pattern transfer of photocopy to decorative object |
| 01/24/1991 | DE3923106A1 Disabling switching function of operating panel of copier - introducing insulating foil between contact foils and indicating by new covering foil |
| 01/23/1991 | EP0409627A2 Batch mode duplex printing |
| 01/23/1991 | EP0409309A1 Apparatus for recirculating originals |
| 01/23/1991 | EP0409204A2 Image forming apparatus |
| 01/23/1991 | EP0409183A2 Image processing equipment |
| 01/23/1991 | EP0409154A2 Image forming apparatus capable of performing serial page copy |
| 01/23/1991 | EP0409087A2 Developing unit of an image forming apparatus |
| 01/23/1991 | EP0408919A2 Apparatus for supplying powder |
| 01/23/1991 | EP0408683A1 Development station |
| 01/23/1991 | CN2070036U High-efficiency simple silicon etching cup |
| 01/22/1991 | US4987497 Image editing method for a digital copier |
| 01/22/1991 | US4987457 Fixing method for a wet process copier |
| 01/22/1991 | US4987456 Vacuum coupling arrangement for applying vibratory motion to a flexible planar member |
| 01/22/1991 | US4987455 Multicolor imaging apparatus |
| 01/22/1991 | US4987454 Developing method for developing electrostatic latent image |
| 01/22/1991 | US4987453 Development rate controller |
| 01/22/1991 | US4987452 Developing apparatus provided with a chamber for controlling toner grain diameter |