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Patent Searching and Data


Matches 951 - 1,000 out of 13,357

Document Document Title
JP3274096B2
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...  
JP3270634B2
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...  
JP2002091109A
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...  
JP2002082527A
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...  
JP2002082457A
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...  
JP2002082528A
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...  
JP3267201B2
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 ...  
JP2002072740A
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...  
JP3263069B2  
JP2002062663A
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...  
JP2002062727A
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...  
JP3257514B2
To obtain the exposure optical device of a plate making machine by which density unevenness on a master paper surface caused by direct light and reflected light from an illuminating lamp is eliminated. As for the exposure optical device ...  
JP3256221B2  
JP3256224B2  
JP2002040812A
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...  
JP3252604B2
PURPOSE: To achieve high-speed operability, robustness against external disturbance factors, and a simple construction by jetting magnetic particles using magnetic field. CONSTITUTION: When a magnet roller 10 is rotated, shifting magneti...  
JP3253042B2
PURPOSE: To provide a two-component developer of a little 'toner spent' (a phenomenon such that the surface of carrier is contaminated with toner components) and high durability. CONSTITUTION: This non-magnetic two-component developer co...  
JP2002031912A
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...  
JP2002023459A
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...  
JP2002014578A
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...  
JP3245058B2
To obtain an image which shows stable density from the initial period of formation and has uniform density without fog or irregularity even under low humidity or high humidity conditions, to prevent deposition, melt sticking or filming o...  
JP3243584B2
PURPOSE: To increase transfer efficiency and to obtain an image without paint out by changing a squeezing squantity with an excess liquid removing means based on image data. CONSTITUTION: An exposure data summing up device 33 attains con...  
JP3244782B2
PURPOSE: To manufacture a printed wiring board having extremely good sensitivity even from a both-sided copper-pasted lamination plate such as having through holes while having high resolution. CONSTITUTION: In the manufacture of a print...  
JP3245210B2
PURPOSE: To realize an image transferring method where service life of a transfer belt is prolonged and the transferred image in good condition can be obtained for a long time. CONSTITUTION: In the image transferring method using a trans...  
JP3244544B2
PURPOSE: To eliminate the irregularity of image density and the unevenness of color developed in a specified pattern on a transferred image even in the case of applying optimum transfer electric field by electrically measuring the physic...  
JP3244835B2
PURPOSE: To provide a printed circuit board with good repeatability in exposure image, high sensitivity characteristics in electrophotography, and a uniform process in through holes, by coating a conductive board and a through hole with ...  
JP2001356520A
To provide a toner and a method for image formation by which high transfer efficiency, high image density and high picture quality are obtained even in a device for image formation having a short period between development of the toner i...  
JP2001356668A
To provide an improved system for precisely and repeatedly positioning various work stations in an electrophotographic printing machine.The printing machine/copying machine is provided with a pair of drum supporting members 32 and 32' to...  
JP2001356516A
To provide a toner for one component development which can maintain good fluidity even when rather large stress is added to the toner particles and which can form an image of high picture quality.The toner for one component development i...  
JP3239412B2
PURPOSE: To miniaturize a device, to prevent decrease in transfer efficiency in trial print mode, and to obtain an image of high image quality. CONSTITUTION: The device is an electrostatic printer which can select the trial print mode by...  
JP3239960B2
PURPOSE: To make an image-forming member adaptable as a xeroprinting master by including a read ray-sensitive layer contg. mainly photosensitive pigments and a softenable material contg. a softenable material, a charge transfer material ...  
JP2001343828A
To unnecessitate or simplify the special sealing of a fine hole caused by anodic oxide coating applied to a developing roller.Sand blast treatment is performed to the surface of the developing roller 4 coming into contact with a photosen...  
JP2001343779A
To provide an image forming device, whose running cost is reduced and which is environmental friendly by decreasing the consumption of toner after satisfying a user's requirement on image quality, saving the toner excessively stuck to an...  
JP2001343835A
To provide an image forming method and image forming device which are good in halftone and character reproducibility by using an organic photoreceptor formed with a siloxane resin layer as a protective layer.The photoreceptor is an organ...  
JP2001337482A
To provide an image formation controller capable of easily and surely printing an optional watermark on an optional page in one printing processing, and to provide an image forming device which is controlled by the image formation contro...  
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...  
JP3235851B2
PURPOSE: To provide an image forming method capable of forming an image of high resolution without generating selective development, forming an image without a fog, forming an image of high image density, and forming an image of high rep...  
JP3233221B2
PURPOSE: To prepare a document capable of substantially preventing the alteration of characters or the like displayed thereon. CONSTITUTION: A latent image is formed and developed with a toner composition consisting of a resin particle, ...  
JP3232903B2
PURPOSE: To obtain such a carrier that shows excellent fluidity in a developing device without causing deposition of the carrier and prevents uneven distribution or aggregation of a developer by dispersing a magnetic powder in a binder r...  
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 ...  
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...  
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...  
JP3229308B2  
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...  
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...  
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...  
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...  
JP2001318516A
To provide an electrophotographic method and device which deal with the higher speed and longer life of the electrophotographic device using an optical system of coherent light of an image exposure, beam scanning type, etc., and are wide...  
JP2001318505A
To prevent a transfer blur such that a transferred image looks blurred and an image flow such that an image is recorded flowingly.A photoreceptor drum 1 where an electrostatic latent image is formed on the surface and a toner image is fo...  

Matches 951 - 1,000 out of 13,357