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Patent Searching and Data


Matches 601 - 650 out of 8,081

Document Document Title
JP2002341602
To provide an electronic color proof system that enables an easy, quick color proofing operation and has a function required for the color proofing, and a and color proof method.The image forming apparatus includes an electrophotographic...  
JP2002333740
To provide a developing method which improves a quality related to the directionality of development which means that the developing sleeve is more rapid than the moving velocity of electrostatic latent image and an abnormal picture qual...  
JP2002333768
To provide a developing method and an image forming apparatus which make it possible to realize stable gradation by stably forming small dots without giving the feeling of granulation at a low density part, to improve image quality and t...  
JP2002328485
To provide an image forming method using electrostatic charge image developing toner by which a stable image is obtained over a long term.In the image forming method including a process to form a latent image on an electrostatic latent i...  
JP2002323797
To provide an electrophotographic image forming device capable of yielding an image excellent in the reproducibility of a thin line without causing adhesion on a sleeve.An electrostatic latent image on a latent image carrier (photorecept...  
JP3363505
PURPOSE: To prevent the generation of fogging and tailing and thereby to enable a toner image with clear edge lines to be formed at the time of developing an electrostatic latent image by applying an oscillatory bias voltage to a develop...  
JP2002311630
To provide a base for an electrophotographic planographic printing plate which is obtained by forming an electrically conductive middle layer on a sheetlike substrate, which makes the electrically conductive middle layer less liable to s...  
JP2002304057
To provide magnetic toner and a method and a device for development for magnetic toner, which obtain a magnetic signal required for magnetic ink character recognition(MICR) print.The developing device is provided with a supply source of ...  
JP2002304025
To provide a developing device and an image forming apparatus constituted so that the noise of a final image may be reduced by suppressing the dispersion of the dot size of a developed toner aggregate within the extent where the noise is...  
JP2002296840
To provide an image forming device by which excellent fixing is attained without causing electrostatic offsetting even when a color image is formed of several kinds of developers having a different resistance value.The toner of each colo...  
JP2002296828
To provide an electrophotographic color toner capable of using a photo-fixing system and capable of improving its fixability and void resistance in photo-fixation to those of a monochrome toner.In the color toner used in an electrophotog...  
JP2002296900
To accomplish satisfactory image quality with reference to a high resolution original image by setting a developing condition by taking the charge dispersion of a latent image due to the leak resistance of a ferroelectric carrier into co...  
JP2002296826
To reduce used light energy and to provide color toner for flash fixing with which an excellent image is formed.This color toner incorporates at least a binding resin, a colorant and an infrared ray absorbent, and is fixed on a recording...  
JP2002278269
To prevent a low-resistance substance based upon ozone and nitrogen oxide from being deposited on the surface layer of a photosensitive body by bringing a developer into contact with the photosensitive body and to prevent an abnormal ima...  
JP2002278220
To provide an image forming method which is free of drum fusion, roller staining, and the production of white stripes.A contact electrifying means 21 is a roller which has a base 2a, a conductive layer 2b formed around the base 2a, and a...  
JP2002278099
To provide an image forming method in which superior durability of members is ensured, image deterioration such as image running and vertical streaks on an image are hardly caused and the members are easily recycled and reutilized becaus...  
JP3353872
To determine the combination of toner and carrier in such a manner as to attain designated maximum charging quantity according to the contact potential difference by combining the toner and the carrier in such a manner as to substantiall...  
JP2002268288
To provide an image forming method and an image forming device in which many kinds of image developing substance, that is, developer produced much is utilized, whereby image quality such as a color tone is improved and the cost of the de...  
JP2002264555
To obtain an original plate for a direct drawing type lithographic printing plate capable of printing many printed matters of a clear image without scumming as an offset original plate and without lack/distortion or the like of an image....  
JP2002268389
To provide an electrophotographic printer in which the average mass velocity of a developer is approximately equal to the velocity of an imaging member.In a method and a device for development of an electrophotographic image, an image de...  
JP2002268372
To compensate for the faults of a developing device, using conventional techniques to obtain a stable print quality by improving the peripheral speed ratio of each developing roller to a photosensitive body and the shape factor of toner ...  
JP2002268381
To provide a developing method which improves quality related to directivity of development (meaning that the speed of a developing sleeve is higher than the moving speed of an electrostatic latent image) and an abnormal- image quality, ...  
JP3350256
PURPOSE: To form a high definition color image without color shippage by making up for reduction in the density of each color due to the decrease of transfer efficiency in a multitransfer or batch transfer process. CONSTITUTION: In a dev...  
JP2002258600
To provide an image forming device and a process cartridge having a wide optimum extent for the electrified charge quantity of toner, and also, capable of obtaining excellent gradation.As for the image forming device provided with at lea...  
JP2002258538
To provide a developer for replenishment by which an electrostatic property of a toner is stabilized without being influenced by environment and satisfactory image quality is obtained for over a long period.The developer for replenishmen...  
JP2002258501
To provide a developer having excellent image characteristics, such as image density, resolution and gradation characteristic and an image forming method using this developer relating to the developer used for electrostatic recording dev...  
JP2002251033
To provide color toner made excellent in transparency and color reproducibility and good in fluidity, having sufficient fixing property and offset resistance, applied to a fixing device where oil is not used for a fixing member, further ...  
JP2002236437
To accurately grasp the service-life of a photoreceptor drum.This image forming device is provided with a photoreceptor drum 17 in the process cartridge 18, and an electrifying roller 19 and a cleaning blade 22a are arranged in contact w...  
JP2002236424
To provide a fixing method excellent in quick starting ability and power saving.In this fixing method, a fixed image is formed by heating and pressuring a toner image on recording material by using a heating and pressuring means having a...  
JP2002236397
To provide a high-durability electrostatic latent image developing method capable of obtaining an image of high image quality.As for the electrostatic latent image developing method, 0.8≤(Vr/Vp)≤1.3 is established, and the weight ave...  
JP3338335
To eliminate replacement of a roll by adhering new hydrophilic toner of new print to the roll each time, thereby stably holding hydrophilic property. A first toner developing unit 17 adheres lipophilic toner charged to opposite symbol to...  
JP3333978
PURPOSE: To obtain a one-component magnetic developer having satisfactory electrostatic charge characteristics and excellent in durability. CONSTITUTION: This one-component magnetic developer contg. at least a resin, magnetic powder and ...  
JP2002214820
To provide a developing method by which the developing ability of a developing device is enhanced and the occurrence of surface staining due to reversely electrified toner is suppressed, even when surface potential is changed within the ...  
JP2002214884
To provide an ozoneless/cleanerless image forming device constituted, so that image forming operation is stably performed over a long period.For the image forming device provided with an image carrier 1, a flexible electrifying member 20...  
JP2002214887
To provide a cleanerless type image forming apparatus capable of maintaining a stable electrifying performance and a stable image performance, even over long use.For the image forming apparatus provided with a magnetic single-component n...  
JP2002207378
To provide a method for controlling the gloss of a toner image or a coating formed on a substrate, almost irrespective of the gloss of the substrate constituted of paper or cardboard.The melting degree of a toner layer to be fixed is con...  
JP2002202645
To provide a color image forming method which ensures satisfactory fixability even when a carrier having high releasing property, e.g. silicone oil is used and can impart a gloss hard to control so far on a high level.A transparent toner...  
JP3328013
PURPOSE: To provide an electrostatic charge image developer capable of forming a multicolor picture having excellent quality and color tone over a long period without lowering the picture density due to deficiency of a developing toner o...  
JP3323741
To provide the developing method of using a developer carrier being durable even if a developer is used over a long period, without generating melt-sticking and filming on a latent image holder. In this method, a one-component developer ...  
JP2002182478
To surely energize without damaging the supporting body surface of a printing plate.The electrode member 92 of an auxiliary electrode 68 is made into a comb-teeth shape with several contactors 100 in which a bend 96 is formed at a top en...  
JP2002182418
To provide an image forming method and an image forming device capable of improving defective cleaning in the removal of toner in the image forming method for constitution where a cleaning blade is arranged in the vicinity just above a c...  
JP2002174927
To prevent the deterioration of finishing quality due to too much or too less the quantity of liquid developer supplied to a printing plate.When the leading end of the printing plate is detected, the supply quantities Ph and Pm are set i...  
JP2002172749
To make stable developing processing possible from a highlight image reduced in the adhesion area of toner particles to a shadow image wide in the adhesion area of toner particles.A time becoming a peak in the adhesion amount of toner pa...  
JP2002169322
To provide image forming toner, an image forming method and an image forming device by which sufficient low-temperature fixing property is obtained, a sleeve is not stuck to a non-image part even in the case of repetitive use, and high i...  
JP3315207
PURPOSE: To provide a method for producing a printing plate by which plate- making image quality and printing image quality are excellently obtained and a printing plate whose performance is stable even when it is continuously processed ...  
JP3314326
PURPOSE: To obtain a toner contg. wax uniformly dispersed as spherical fine particles in a resin binder. CONSTITUTION: This toner has 5-12μm average particle diameter and consists essentially of a resin binder and wax. The max. particle...  
JP2002162832
To provide a wet-electrophotographing method for preventing the color mixing in a 2nd color developing unit caused by separation of the toner particles of a 1st color visible image formed on a latent image carrier from the latent image c...  
JP2002156774
To provide a toner which can ensure sufficient developing property, without causing decrease in the life time of a developer carrying body, even if the process speed is increased, and to provide an image forming device and a process cart...  
JP2002148913
To provide a development method and an image forming method for preventing development ghost and fogging sufficiently and for keeping good image quality for a long period of time even if an image forming process is accelerated.In a devel...  
JP2002148870
To drastically shorten exposure time without degradation in the quality of machine plates in fabrication of the machine plates for newspaper printing using a laser beam exposure equipment of a plane scanning system.This method of fabrica...  

Matches 601 - 650 out of 8,081