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Patent Searching and Data


Matches 801 - 850 out of 13,362

Document Document Title
JP3457933B2
To obtain a developer suitable for a fixing device of an electromagnetic induction heating method. The developer contains toner particles containing a binder resin having 1 to 30 acid value, 40 to 65°C glass transition point and 80 to 1...  
JP2003295485A
To provide an electrophotographic imaging method excellent in durability against a solvent included in a liquid developer.The binder resin in the surface layer of an organic photoreceptor contains a polyester resin having a biphenyl fluo...  
JP2003295496A
To provide an image forming method for reducing light energy to be used and obtaining an excellent color fixed image.This image forming method includes a step for emitting flashlight to color toner containing at least a binding resin, a ...  
JP2003280460A
To provide an electrostatic latent image developing method which forms an image without any sticking carrier on it, can reproduce thin lines and uniformly reproduce small-diameter dots, and uses a two-component developer.In this developi...  
JP3450658B2
To obtain a magnetic toner not causing scattering on an image at the time of forming a line or letter image and capable of forming a sharp image. This magnetic toner contains magnetic toner particles contg. 20-150 pts.wt. magnetic substa...  
JP3452626B2
PURPOSE: To control scumming of printing and obtain clearly printed matter in even printing of many plates by treating the surface of water-insoluble powdery zinc compound with a the specified hydrophilic substance and using the surface ...  
JP2003270986A
To provide a liquid electrophotographic image forming apparatus in a simple structure for forming the images of high image quality at a high speed.The liquid electrophotographic image forming apparatus includes a photosensitive body 51, ...  
JP3446962B2  
JP2003248325A
To surely remove impurities contained through processing, without reducing a circulation efficiency, as for a processing liquid reused with circulation.As for the circulating system for applying eluate delivered from spray pipes 72 and 7...  
JP2003248372A
To provide an image forming apparatus capable of securing the density of solid black and forming an image free from density irregularity in a half tone image or the thinning of an edge part by relating space between an image carrier and ...  
JP2003241441A
To provide an image forming apparatus with high reliability for stably forming an image of high resolution by reducing sticking or filming of toner to a press-contact member.In the method, a press-contact electrifying member 4 for electr...  
JP2003228198A
To provide an image forming method in which a variable density fringe image caused by multiple reflection in a photoreceptor by coherent light is not found.In the image forming method, an image is formed by uniformly electrifying a laten...  
JP2003216004A
To provide a drum-loading/unloading apparatus capable of completely supporting a drum over the whole drum movement.Apparatus (120) for facilitating the loading/unloading of a hollow cylindrical drum onto/from a drum axle (112) is provide...  
JP2003215842A
To provide an image forming method whereby high productivity is maintained and, at the same time, an image which is highly glossy and has excellent preservability and excellent transmissivity to an OHP or the like is formed.The image for...  
JP2003215858A
To provide an image forming method that is free from dark-and-light stripe images which result from multiple-reflection within a photoreceptor which is caused by coherent radiation and to provide an image forming device that forms a high...  
JP3429610B2
To obtain good smoothness and offset resistance in a semisoft roller fixing machine by using a bivalent alcohol as an alcohol component of a binder resin for a color toner and using a specified polyvalent carboxylic acid and a polyester ...  
JP2003202709A
To stably provide a high quality image having superior transfer performance and suppressed fog and toner scattering in forming an image for a long period of time.A full-color image-forming method has at least a charging process, latent-i...  
JP2003202702A
To provide negative charge type toners having excellent electrostatic chargeability and stability of electrostatic charge against environmental fluctuations by using toner particles obtained by wet granulation.The negative charge type to...  
JP2003195613A
To obtain a charging mechanism for uniformly charging a curled master sheet cut off from a sheet roller.The charging mechanism provided with a pair of high voltage impressed chargers 4A, 4B opposed to each other across a recording sheet ...  
JP2003195514A
To obtain an electronic plate making machine which can previously form margins requested for a print master.The electronic plate making machine equipped with a laser scanning unit 6 which scans an image horizontally and a feed roll 5 whi...  
JP2003195645A
To obtain a squeezing roller device in which not only an upper squeezing roller but also a lower squeezing roller is easily detached and is cleaned outside.In a wet type developing device by which surplus developer stuck to a recording s...  
JP2003195612A
To obtain the simple structure of a charging device with which the occurrence of a short circuit accident between a recording sheet and a charging line can be prevented with simple structure even when a nylon string is disconnected.In th...  
JP2003186246A
To provide electrophotographic color toners, etc., which have excellent fixability, excellent image resolution (image reproducibility) in fixing, excellent color reproducibility in color superimposition, etc., ensure satisfactory color t...  
JP2003186247A
To prevent transfer irregularity and image roughness which tend to occur in electrophotographic image formation, in particular, transfer irregularity and image roughness which tend to occur in image formation by the superimposition of co...  
JP2003186278A
To detect the misalignments and densities of toner images by a simple structure.In order to correct the misalignments of toner images formed by image forming parts, at least three or more position-detection toner marks B are formed in a ...  
JP3422107B2
PURPOSE: To provide a developing method capable of miniaturizing an image forming device and forming the image of excellent quality. CONSTITUTION: In the developing method for developing the electrostatic charge image on the image carrie...  
JP2003177589A
To detect both the density of an achromatic color patch image and the density of a chromatic color patch image by a simple structure by means of an inexpensive multipurpose density detectors.The color image forming device adjusts image q...  
JP2003176435A
To prepare a liquid ink for developing electrophotographic images.The liquid ink comprises (a) a carrier liquid having ≤30 Kauri- Butanol number, (b) a plastisol, (c) a dispersant and (d) a charge director. In the liquid ink, (1) when ...  
JP3416370B2
To easily meet exhaust gas control by providing a circulating means for the gas in a casing, a gas cooling agent collecting means, a detecting means for the temperature and humidity of the gas, and a gas heating means. The exhaust port o...  
JP2003167445A
To provide an image forming apparatus capable of keeping toner transfer efficiency high over a long term, and further transferring a toner image to be newly transferred to transfer material at a high transfer rate, finding out a conditio...  
JP2003162085A
To provide an image forming device where toner filming is prevented from occurring, by which stable image quality having no defect is obtained over a long term and which is eco-friendly.This image forming apparatus 8 is provided with ima...  
JP2003162155A
To provide an intermediate transfer member having high carrier fluid durability and high chemical durability and to provide its manufacturing method and an image forming method using the intermediate transfer member.The intermediate tran...  
JP3413426B2
PURPOSE: To improve fixing property and anti-offset property without decreasing antiblocking property and to obtain an image forming method excellent in durability without melt deposition of the toner by preparing a wax having a specifie...  
JP3413438B2  
JP3410183B2
PURPOSE: To obviate the generation of an image noise and image flow even if image formation by using an image carrying member having a high-hardness coating layer is repeated by developing the electrostatic latent image on the image carr...  
JP2003149886A
To provide a compact image forming apparatus in which recoding operation for a sheet can be performed by a plurality of recording systems and the image of the sheet can be read.This image forming apparatus is equipped with a 1st recordin...  
JP2003149864A
To provide a method for forming an image by which a toner image formed on an electrostatic latent image carrying body is fused to efficiently transfer the image and fix without scattering.The method for forming an image includes: an elec...  
JP3404879B2
PURPOSE: To prevent toner from being stuck and deposited by automatically removing the toner in a developer stuck to a counter electrode member and a pair of squeezing rollers. CONSTITUTION: In this laser plate-making device forming an o...  
JP3403518B2
PURPOSE: To obtain a printing plate having excellent water resistance and mechanical strength which enables formation of a uniform image and is suitable for direct power supply development by forming a back layer in such a manner that th...  
JP3401629B2
PURPOSE: To provide an image forming method by which toner existing on a photoreceptor and electrostatically charged is hardly deteriorated, the endurance characteristic thereof is excellent when it is repeatedly used and the filming the...  
JP2003122144A
To provide an image forming apparatus which can prepare a lithographic plate for print by the use of a conductive or semi-conductive transfer material.The image forming apparatus is characterized in that the conductive or semi-conductive...  
JP2003122139A
To provide an image forming apparatus which can prepare a lithographic plate by the use of a conductive or semiconductive transfer material.The image forming apparatus is characterized in that the conductive or semiconductive transfer ma...  
JP2003514249A
(57) It is higher than heating the surface to the 1st temperature higher than the temperature at which it is the method of transferring the picture on the summary surface to a base material, and: (a) picture adheres to a base material, a...  
JP3396546B2
PURPOSE: To provide a plate making device for an electrophotographic lithographic printing plate capable of making an empty plate. CONSTITUTION: The automatic plate making device is provided with a plate supply part 1 on which plural non...  
JP2003107806A
To provide a method for producing a printing machine plate using an electrophotographic printing method.The method for producing the printing machine plate on which a print image is formed includes the steps of: electrifying the surface ...  
JP3388857B2
PURPOSE: To provide a transfer device capable of stably transferring toner image formed on the surface of a photoreceptor with a high transfer efficiency, effectively removing an electrostatic charge after an image is formed and effectiv...  
JP2003084574A
To provide a developing method, a developing device and an image forming method by which a high-quality image having high image density at a solid image portion and a smoth solid image is obtained by making an entire developing sleeve co...  
JP2003084504A
To provide a developing device capable of forming an image of uniform density by suppressing a change in the electrified statical charge (q/m) of toner carried on a developer carrier and suppressing an afterimage phenomenon.Provided that...  
JP2003084475A
To provide toner whose transfer property is excellent, with which residual toner after transfer is reduced and by which the occurrence of filming to a cleaning member and a photoreceptor is eliminated or the occurrence of a phenomenon th...  
JP3384914B2  

Matches 801 - 850 out of 13,362