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Patent Searching and Data


Matches 901 - 950 out of 13,246

Document Document Title
JP3233220B2
PURPOSE: To provide a method for forming high-quality two-color images which is free from interaction between the two developers to be used, i.e., substantially free from the staining of a background in a relative humidity and effective ...  
JP3234661B2
PURPOSE: To carry out uniform and certain fixing by way of preventing a print from causing a green state and nonuniformity by solving a problem in a fixing device of a print material using a heater plate by arrangement of heaters, settin...  
JP3231053B2
PURPOSE: To provide the processing method for an electrophotographic planographic printing plate which can not only uniformly elute the entire surface of the plate while suppressing the thinning of the line images and preventing an eluti...  
JP3230044B2
PURPOSE: To obtain an electrostatic charge image developing toner with which high quality images can be maintained for a long time by incorporating a binder resin, specified long-chain alkyl compd. and azo iron complex compd. CONSTITUTIO...  
JP3231085B2
PURPOSE: To provide the processing method for the electrophotography planographic printing plate, by which a plate making failure is not generated and not only the whole surface of the plate can be processed homogeneously but also the pr...  
JP3231061B2
PURPOSE: To provide the processing device for electrophotographic planographic printing plates which can not only uniformly elute the entire surface of the plate but can execute stable elution processing as well over a long period of tim...  
JP3230176B2
PURPOSE: To provide an image forming method by which a high spectral sensitivity to a long wavelength region is obtd., high image quality is obtd. without image defects, excellent environmental stability is obtd. and image defects or red...  
JP3230167B2
PURPOSE: To provide the toner which is used in the developing method of thin layer forming method and improved in durability. CONSTITUTION: The toner is composed of a coloring particles having no definite shap which is obtained by associ...  
JP3231446B2
PURPOSE: To provide the original plate for electrophotographic planographic printing which does not generate surface staining and has an excellent desensitization characteristic and rubbing off resistance (high printing resistance) and f...  
JP3228567B2
PURPOSE: To enable the detection of plural plate feed by radiating laser beams to the side face of a printing plate, and after receiving the reflected light and converting it into electric output, detecting this output to judge the outpu...  
JP2001242715A
To prevent developer from being locally solidified at one part of the peripheral surface of a squeezing roller and to prevent the image quality of a firs plate master sheet at the time of restarting operation from being deteriorated by t...  
JP2001242658A
To provide a transfer sheet for an electrophotographic printer which is not wound on a heat roll.The transfer sheet for an electrophotographic printer consists of a base material and a transfer layer which can be released from the base b...  
JP2001235914A
To provide an electrophotographic image forming method by which high durability and high image quality are secured, the abrasion loss of the film thickness of an electrophotographic photoreceptor used in the image forming method is reduc...  
JP2001235893A
To miniaturize an image forming device, to shorten warming-up time, to save energy and to obtain an excellent image without causing offsetting.The developer contains a toner containing a colorant, a styrene- acrylic resin having 50-65°C...  
JP3226740B2
PURPOSE: To provide an image forming method by which images having high quality in the entire density region free from a rough feel in low-density parts, such as halftones, are obtainable and carrier adhesion is eliminated in combination...  
JP3201613B2  
JP3202746B2  
JP3201612B2  
JP2001228652A
To provide a method for one-component full-color development which is excellent in legibility of black characters, fast mohochromatic development rate and reproducibilyt of colors for full-color development, which prevents toner filming ...  
JP2001228701A
To provide a stable good-quality developing roller without causing the surface staining of an OPC by optimally setting the composition of the surface structure of the developing roller and carrier so that the occurrence of reversely elec...  
JP2001228706A
To prevent toner from being stuck to a developing sleeve and hindering development even in the case of using toner for low-temperature fixing.In this reversal developing system developing device 4, the layer pressure of two-component dev...  
JP3224576B2
PURPOSE: To obtain a wireless charging device, which can prevent the overflow of the discharge current to members except for an electrostatic latent image supporter as a charge receiver and the generation of ozone, by forming a device wi...  
JP2001225439A
To realize the repetition of an image formation by a simple constitution and provide a good quality image through the reduction and prevention of fogging by a method wherein a photoisomerizable material is applied to a printing plate as ...  
JP3200061B2  
JP3200445B2  
JP3219330B2
PURPOSE: To provide the developing method using a nonmagnetic one-component type toner which is capable of coloring high-quality picture and long time stability of toner developing property and without causing toner stain and melt- stick...  
JP3219842B2
PURPOSE: To maintain stable and good electrostatic characteristics and to obtain good quality of images even when the environment for formation of copy images changes, by incorporating a specified resin A and a resin B as a binder resin....  
JP3219926B2
PURPOSE: To form a picture with low surface charge potential and developing bias voltage by incorporating a carrier grain having a specified diameter into the aggregated carrier grain. CONSTITUTION: A small-diameter carrier grain is inco...  
JP2001215767A
To constitute an oilless full color fixing system realizing quick start in a color image forming device.By using toner (t) including wax in binder and having an MI value within 0.5g to 100 g and a film type fixing member 10 provided with...  
JP2001215692A
To provide a master plate for planographic printing plate excellent in image reproducibility such as dot and thin line reproducibility and printing resistance and capable of attaining writing with an IR laser which suppresses stain and w...  
JP3217722B2
To produce a inexpensive planographic printing plate causing no elongation, capable of high-speed processing and giving a uniform image. An electrically conductive metallic layer 3 is formed on one side of a paper substrate 2 mode electr...  
JP3217524B2
PURPOSE: To decrease the time for information recording for an information recording method and an information recording medium in which information is recorded by using polarization of a ferroelectric layer. CONSTITUTION: A terminal res...  
JP3214672B2
PURPOSE: To provide an electrophotographic sensitive body having improved electrostatic characteristics and photographing property, and especialy having excellent reproducibility of high precision picture images with using a liquid devel...  
JP3214945B2
PURPOSE: To prevent defects in picture images due to microbes even when a cooling liquid essentially consisting of water is used for a long time in the process for producing a planographic printing plate and to stably obtain a high-quali...  
JP2001201887A
To provide an electrostatic charge image developing toner superior in low-temperature fixability, OHP transmittance and resistance offsetting property, without having to substantially apply oil in heat roll fixation and capable of formin...  
JP3211114B2
PURPOSE: To reduce the width of the developing device in the longitudinal direction of a latent image carrying member. CONSTITUTION: The length of a magnet 16 in the transverse width of the latent image carrying member is so set as to be...  
JP2001194893A
To provide an image forming method by which an image defect such as the omission of the trailing edge or the void of a solid image is restrained, excellent developing performance in a developing area is maintained, furthermore restrainin...  
JP2001183872A
To provide a dry toner which ensures good buildup of electrostatic charge and has stable electrostatic chargeability even when printing-out speed is varied. The dry toner contains at least a bonding resin, a colorant and a wax and furthe...  
JP2001175038A
To provide the applying method of clear toner which can be more inexpensively executed at higher speed than a conventional method and by which a high-quality image can be formed.A printing system using a re-electrifying system, an exposu...  
JP3205013B2
PURPOSE: To prevent the winding of paper on a heat fixing roller and defective conveyance and stably convey the paper for a long period for heat fixing by providing a high-precision, geometrical, irregular shape on the surface of an elas...  
JP3201632B2
PURPOSE: To obtain an image forming method in which the number of power sources used for respective component means for forming an image is kept to the minimum and by which a device is made compact and the cost thereof is made low. CONST...  
JP2001166620A
To provide an image forming device capable of obtaining an image high in image quality, that is, good in color ballance, high in glossiness and excellent in toner transparency.The image forming device is provided with an intermediate tra...  
JP2001166544A
To provide a charge device for a plate making machine which accurately copes with plural kinds of master sheets having different photosensitive characteristic and for which an inexpensive special variable high voltage power source or plu...  
JP3201631B2
PURPOSE: To obtain an image forming method in which the number of power sources used for respective component means for forming an image is kept to the minimum and by which a device is made compact and the cost thereof is made low. CONST...  
JP3201633B2
PURPOSE: To obtain an image forming method in which the number of power sources used for respective component means for forming an image is kept to the minimum and by which a device is made compact and the cost thereof is made low. CONST...  
JP3200325B2
PURPOSE: To make a toner layer on a surface of a developing roller evenly thin layer, and to prevent a generation of fogging, by forming a recessed part for developer to enter on a surface of the developer carrier, and composing so that ...  
JP3175160B2  
JP2001154432A
To extend the allowable range of the variation of the sensitivity of a photoreceptor drum used for an image forming device by an electrophotographic process, to improve the yield of the photoreceptor drum being the parts and to reduce th...  
JP2001154385A
To provide an electrophotographic photoreceptor having an extremely small transfer memory and causing no transfer memory image even when the photoreceptor is used for a reversal development system digital image forming device, and to pro...  
JP2001150828A
To provide a method for on-site preparation of a thermal press plate having no problem of storage lifetime and durability by incorporating higher performance than that of a precoating plate.The method for on-site preparation of the press...  

Matches 901 - 950 out of 13,246