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Patent Searching and Data


Matches 601 - 650 out of 8,055

Document Document Title
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...  
JP2002139872
To obtain a high-quality transparent recorded image where an unnecessary opaque part other than a formed image does not exist on transparent film even in the case of forming the image on the transparent film.As for the transparent film c...  
JP2002131973
To provide a method for forming a full-color image by which high- quality full-color images can be fast obtained at a low cost.In the method for forming a full-color image, a magenta developer containing a magenta toner, a cyan developer...  
JP2002123029
To provide an electrophotographic planographic printing plate with an electrically conductive middle layer having no humidity dependence of the surface resistance and high surface smoothness, excellent in abrasion resistance, solvent and...  
JP2002123100
To provide an image forming method of a transfer fixing system by which high image quality is maintained over a long term.This image forming method has a transfer stage for transferring a toner image formed on an image carrier to an inte...  
JP2002123114
To provide an image forming method for preventing irregularities in an image and uneven toner melting at an image transfer process, and capable of controlling the glossiness of the image.As for the image forming method provided with the ...  
JP3293547
To provide an image forming method and a recording medium used therefor in which an image has a uniform and the same gloss as the recording medium independent of an image density and an image area ratio, and has no unevenness of color, a...  
JP3292155
To execute ozoneless injection electrification at low applied voltage by using a simple electrifying member such as an electrifying roller without causing trouble and to maintain high-quality image formation over a long term in an image ...  
JP3291959
PURPOSE: To control the toner concentration of a fresh developer to be at a normal value, at the time of exchanging of developer and to secure stable printing quality by filling a developing machine with a used developer discharged outsi...  
JP2002091109
To output a high-quality color image at high speed even in the case of using a multiple developing batch transfer method.As for previous color toner existing in a non-exposure area when entire electrification is performed after developin...  
JP2002082528
To provide an electrophotographic image forming method capable of obtaining an image of high quality without causing the scattering of characters, even in the case of making the electrophotographic device small in size and light in weigh...  
JP2002082527
To attain high image quality in a developing device, and to reduce the fluctuation of loads on a photoreceptor.The developer carrier of the developing device is provided with an auxiliary magnetic pole which is positioned adjacent to a d...  
JP2002082457
To provide an electrophotographic photoreceptor having stable practical characteristics and giving a high resolution output image even in the case of using writing light of LD or LED having an oscillation wavelength in the range of 350-5...  
JP2002072740
To provide an image forming apparatus capable of forming a liquid toner image without causing soiling, stickiness or paint-out.This image forming apparatus in which an image is developed, transferred, melted and fixed by using liquid ton...  
JP3284728
PURPOSE: To provide an image forming method capable of outputting full-color images with high brightness and black and white images with low brightness for the images consisting of the black and white images coexisting in the full- color...  
JP3282561
To eliminate the dirt on the surface of a panel heater and to enable an inexperienced person to set a new cleaning web without looseness by providing a take-up shaft supporting a web take-up bobbin with first and second specified one-way...  
JP3282050
PURPOSE: To attain fog-free high image density by enhancing the electrostatic chargeability of a magnetic toner in a developing unit without utilizing the triboelectric charge of both magnetic and nonmagnetic toners. CONSTITUTION: In a d...  
JP2002062663
To provide a method for quality control such that the state for plate making conditions of a positive image forming material for IR laser beam for direct plate making is easily judged and that feedback is given from the result to the dev...  
JP2002062727
To provide an image forming device, capable of preventing deterioration of the image quality, such as thinning of the image.In this image forming device, high image quality is maintained, by making the relation among relative speed (Vs/V...  
JP3281476
PURPOSE: To obtain a method of manufacturing a printed wiring board where a through-hole can be easily provided and which has a wiring pattern of high resolution. CONSTITUTION: A metal conductive layer is provided to an insulating board ...  
JP3281486
PURPOSE: To obtain a high-resolving power resist image using an electro-photographic photosensitive material, which can be used in laser direct lithography, by a method wherein an undercoating layer is formed on the surface of a second m...  
JP3278250
PURPOSE: To obtain a printing plate which is excellent in engraving image quality and printing image quality and having stable performance even when it is consecutively processed for a long time and to make it suitable for forming an ima...  
JP3278241
PURPOSE: To generate a printing plate having good reproduced image quality and printed image quality, having stable performance when overlappingly mounted during the work, and suitable for forming an image by the scanning exposure of las...  
JP3277290
PURPOSE: To provide the original plate for a planographic printing plate which is the original plate for the planographic printing plate having a photosensitive layer contg. a photoconductive material and a quinonediazide compd. on a con...  
JP2002040812
To obtain developer with which an image having excellent image density and having less fogging is formed.By using the developer including toner particles incorporating magnetic powder and binder resin and set so that the dynamic resistan...  
JP3274096
To provide a development method which is capable of electrifying toner to a specific polarity steadily, is suitable for developing the magnetic toner into a high resolution image, and is capable of developing the magnetic toner by pressu...  
JP3274097
To provide a development method which is capable of steadily electrifying toner to a specific polarity, is suitable for developing the nonmagnetic toner into a high resolution image, and is capable of developing the nonmagnetic toner by ...  
JP2002031912
To provide an electrostatic charge image developing toner and a method for forming images by using this toner with which stable images can be obtained for a long time.The electrostatic charge image developing toner is used for the method...  
JP2002023459
To provide a color image forming device capable of eliminating trouble caused by a toner reversely transferring phenomenon with simple constitution and made excellent in terms of cost.This image forming device is plurally provided with v...  
JP3270634
PURPOSE: To improve the dispersibility of a phthalocyanine compd. and to improve the electrical characteristics of the photoconductive layer of a photosensitive material for printing. CONSTITUTION: When a photoconductive layer contg. a p...  
JP2002014578
To provide an image forming device for realizing a service life detection of an image carrier with excellent accuracy, and capable of improving usability and minimizing a running cost.In this image forming device controlling the output o...  
JP3267201
To obtain an edge detector capable of accurately detecting the position of the leading edge of a master sheet supplied to a feeding roller. The plate making machine is constituted so that the master sheet X is supplied to the peripheral ...  

Matches 601 - 650 out of 8,055