| Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618) |
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| 03/13/1990 | US4908655 Jam detecting and displaying device in an image recording apparatus |
| 03/13/1990 | US4908654 Method and apparatus for automatic printing from microfilm of short image areas |
| 03/13/1990 | US4908513 Charging apparatus |
| 03/13/1990 | US4908291 Transporting developer layer to elastic layer thickness regulating means so as to face and contact transport means, lifting elastic layer thickness regulator to form gap, transporting developer layer through gap |
| 03/13/1990 | US4908287 Image forming method and apparatus therefor |
| 03/13/1990 | US4907792 Sheet guide adjusting apparatus |
| 03/13/1990 | US4907532 Endless belt development electrode for electrographic image |
| 03/08/1990 | WO1990002363A1 Electrophotographic luminescent amplification process |
| 03/07/1990 | EP0357497A2 Method of deelectrification in an electrophotographic apparatus |
| 03/07/1990 | EP0357454A2 Electrophotographic process |
| 03/07/1990 | EP0357434A2 An image forming apparatus |
| 03/07/1990 | EP0357433A2 A paper feed unit for image forming apparatus |
| 03/07/1990 | EP0357432A2 A multi-color developing device for an image forming apparatus |
| 03/07/1990 | EP0357390A2 An image forming apparatus |
| 03/07/1990 | EP0357387A2 Image-forming apparatus |
| 03/07/1990 | EP0357384A2 An image forming apparatus |
| 03/07/1990 | EP0357373A2 An image forming apparatus |
| 03/07/1990 | EP0357086A2 Image forming apparatus |
| 03/07/1990 | EP0357055A2 An image forming apparatus |
| 03/07/1990 | EP0357041A2 Page printer |
| 03/07/1990 | EP0357012A2 Recording sheet feeding apparatus |
| 03/07/1990 | EP0308431B1 Device enabling the clean replacement of a toner container in a toner transfer system of a non-mechanical printer or copier |
| 03/06/1990 | US4907078 Method for reproducing color images which are distinguishable in a document having only two colors |
| 03/06/1990 | US4907033 Copying apparatus having function of erasing unnecessary image from binding margin |
| 03/06/1990 | US4907032 Monocomponent developing device |
| 03/06/1990 | US4907031 Copy apparatus having a priority copy interrupt and malfunction detection system |
| 03/06/1990 | US4907017 Laser optical apparatus |
| 03/06/1990 | US4906841 Corona discharge device |
| 03/06/1990 | US4906104 Agitating and supplying device and a mold for molding same |
| 03/06/1990 | US4906081 Transmissive filter for correcting illuminance distribution |
| 03/06/1990 | US4905984 Set transport |
| 02/28/1990 | EP0356238A2 Method of reducing average data rate in rotating mirror laser recorder |
| 02/28/1990 | EP0356233A2 Seal structure for developing device |
| 02/28/1990 | EP0356178A1 Image forming apparatus utilizing a light image memory |
| 02/28/1990 | EP0356164A1 Vacuum removal of liquid toner from a record member |
| 02/28/1990 | EP0356163A1 Endless belt development electrode for electrographic image |
| 02/28/1990 | EP0356117A2 A single pass color highlighting copying system |
| 02/28/1990 | EP0355839A2 Optical beam scanning apparatus |
| 02/28/1990 | EP0355698A2 Electrical power supply, fusing apparatus and recording apparatus using the same |
| 02/28/1990 | EP0355110A1 A reprographic apparatus. |
| 02/27/1990 | US4905098 Copier with an optional facsimile function and method of controlling the same |
| 02/27/1990 | US4905079 Color image processing apparatus for processing separated color signals |
| 02/27/1990 | US4905055 Copying machine provided with a paper handling device with a paper stapling function |
| 02/27/1990 | US4905054 Method and apparatus for producing corner-bound portrait and landscape document sets |
| 02/27/1990 | US4905053 Sheet re-feeding apparatus provided for image forming apparatus |
| 02/27/1990 | US4905052 Sheet transport velocity mismatch compensation apparatus |
| 02/27/1990 | US4905051 Fixing means for electrophotographic copier |
| 02/27/1990 | US4905050 Fusing apparatus having axially unsupported fuser roller |
| 02/27/1990 | US4905049 Toner fusing apparatus |
| 02/27/1990 | US4905048 Color copying apparatus |
| 02/27/1990 | US4905047 Wet type image forming apparatus |
| 02/27/1990 | US4905046 Copying apparatus having means for moving the optical scanning system to a predetermined position when an abnormality is detected |
| 02/27/1990 | US4905045 Image forming device using polarized light |
| 02/27/1990 | US4905044 Document conveying apparatus |
| 02/27/1990 | US4905042 Image forming apparatus |
| 02/27/1990 | US4905040 Board copying apparatus |
| 02/27/1990 | US4905037 Image transfer system |
| 02/27/1990 | US4905028 Electrophotographic printer |
| 02/27/1990 | US4905027 Control method and apparatus for optical printer head |
| 02/27/1990 | US4905026 Gas-supported electrographic writing head |
| 02/27/1990 | US4904558 Stable triboelectric chargability; prevention of the attachment of magnetic particles; excellent color mixing and light transmission; overhead projector transparencies |
| 02/27/1990 | US4904334 Apparatus for color highlighting |
| 02/27/1990 | US4903634 For visualizing a latent electrostatic image |
| 02/22/1990 | WO1990001730A1 Electrophotographic method |
| 02/22/1990 | EP0333819A4 Platen arrangement for hot melt ink jet apparatus. |
| 02/21/1990 | EP0354962A1 Blade for electrophotographic apparatus |
| 02/21/1990 | CN1039905A Method and apparatus for transferring an electrostatic latent image |
| 02/20/1990 | US4903146 Digital image forming apparatus |
| 02/20/1990 | US4903085 Automatic original circulating and feeding apparatus |
| 02/20/1990 | US4903082 Liquid ink fusing and drying system |
| 02/20/1990 | US4903081 Transfer device |
| 02/20/1990 | US4903080 Copy paper separator for electrophotographic copying machine |
| 02/20/1990 | US4903079 Variable magnification copier |
| 02/20/1990 | US4903078 Imaging apparatus with variable aperture platen |
| 02/20/1990 | US4903077 Electronic copying apparatus with trimming function |
| 02/20/1990 | US4903076 Image forming apparatus having stationary upper unit and pivotable lower unit |
| 02/20/1990 | US4903074 Plural belt document feeder with optimum optical properties |
| 02/20/1990 | US4903072 Image forming apparatus having cooling efficiency switching control function |
| 02/20/1990 | US4903067 Multiimage forming apparatus |
| 02/20/1990 | US4903051 Image forming apparatus for controlling developer to be replenished in accordance with density of developer |
| 02/20/1990 | US4903050 Toner recovery for DEP cleaning process |
| 02/20/1990 | US4903049 Wrong sign toner extraction for a direct electrostatic printer |
| 02/20/1990 | US4903048 Simulated color imaging using only two different colorants/toners |
| 02/20/1990 | US4903047 Electrophotographic printer |
| 02/20/1990 | US4903043 Recording apparatus for printing on opposite surfaces of recording medium |
| 02/20/1990 | US4902936 Light adjusting apparatus |
| 02/15/1990 | DE3827604A1 Copier |
| 02/14/1990 | EP0354739A2 Scanning apparatus |
| 02/14/1990 | EP0354688A1 Method and apparatus for transferring an electrostatic latent image |
| 02/14/1990 | EP0354560A2 Document-plate-positional information device |
| 02/14/1990 | EP0354531A2 Thermally assisted transfer of small electrostatographic toner particles |
| 02/14/1990 | EP0354530A2 Method of non-electrostatically transferring toner |
| 02/14/1990 | EP0354310A1 Method and apparatus for electrophotographic printing |
| 02/13/1990 | US4901118 Copying apparatus with recircular automatic document feeder |
| 02/13/1990 | US4901117 Sheet feeder for second pass copy substrate |
| 02/13/1990 | US4901116 Developing apparatus |
| 02/13/1990 | US4901115 Toner concentration control device for a developing apparatus |
| 02/13/1990 | US4901114 Tri level xerography using a MICR toner in combination with a non-MICR toner |
| 02/13/1990 | US4901113 Image-forming device |
| 02/13/1990 | US4901112 Copying apparatus and method of development control |